SIST EN ISO 8098:2023
(Main)Cycles - Safety requirements for bicycles for young children (ISO 8098:2023)
Cycles - Safety requirements for bicycles for young children (ISO 8098:2023)
This document specifies safety and performance requirements and test methods for the design, assembly and testing of fully assembled bicycles and sub-assemblies for young children. It also provides guidelines for instructions on the use and care of the bicycles.
This document is applicable to bicycles with a maximum saddle height of more than 435 mm and less than 635 mm, propelled by a transmitted drive to the rear wheel.
It is not applicable to special bicycles intended for performing stunts (e.g. BMX bicycles).
NOTE For bicycles with a maximum saddle height of 435 mm or less, see national regulations for ride-on toys, and with a maximum saddle height of 635 mm or more, see ISO 4210-1 to ISO 4210-9.
Fahrräder - Sicherheitstechnische Anforderungen an Kinderfahrräder (ISO 8098:2023)
Diese Internationale Norm legt sicherheitstechnische Anforderungen und Leistungsanforderungen sowie Prüfverfahren hinsichtlich der konstruktiven Ausführung, Montage und Prüfung von vollständig zusammengebauten Kinderfahrrädern und deren Baugruppen fest. Gleichfalls wird eine Leitlinie für die Anleitungen zur Benutzung und Pflege der Fahrräder bereitgestellt.
Diese Internationale Norm gilt für Fahrräder, deren maximale Sattelhöhe mehr als 435 mm und weniger als 635 mm beträgt und die durch Kraftübertragung auf das Hinterrad angetrieben werden.
Diese Norm gilt nicht für spezielle Fahrräder, die für Trickfahrten bestimmt sind (z. B. BMX-Fahrräder).
Cycles - Exigences de sécurité pour les bicyclettes pour jeunes enfants(ISO 8098:2023)
Le présent document spécifie les méthodes d'essai et les exigences de sécurité et de performance à observer lors de la conception, de l’assemblage et des essais des bicyclettes pour jeunes enfants et de leurs sous-ensembles, et précise les lignes directrices concernant l'utilisation et l'entretien de celles-ci.
Le présent document est applicable aux bicyclettes qui ont une hauteur maximale de selle comprise entre 435 mm et 635 mm et qui sont propulsées par une force transmise à la roue arrière.
La présente norme ne s'applique pas aux bicyclettes spéciales prévues pour effectuer des acrobaties (p. ex., les bicyclettes BMX).
NOTE Pour les bicyclettes dont la hauteur maximale de la selle est inférieure ou égale à 435 mm, voir les réglementations nationales relatives aux jouets à enfourcher, et pour celles dont la hauteur maximale de la selle est supérieure ou égale à 635 mm, voir l'ISO 4210‑1 à ISO 4210‑9.
Kolesa - Varnostne zahteve za kolesa za mlajše otroke (ISO 8098:2023)
Ta dokument določa varnostne in tehnične zahteve ter preskusne metode za zasnovo, sestavo in preskušanje sestavljenih koles in njihovih podsestavov za mlajše otroke. Podaja tudi smernice za navodila za uporabo in nego koles.
Ta dokument se uporablja za kolesa z maksimalno višino sedeža najmanj 435 mm in največ 635 mm ter z verižnim prenosom vrtenja na zadnje kolo.
Ne velja za posebna kolesa, namenjena za izvajanje trikov (npr. kolesa BMX).
OPOMBA: Za kolesa z maksimalno višino sedeža 435 mm ali manj glej nacionalne predpise za otroška igralna vozila, za kolesa z maksimalno višino sedeža največ 635 mm pa glej standarde od ISO 4210-1 do ISO 4210-9.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 8098:2023
01-maj-2023
Nadomešča:
SIST EN ISO 8098:2014
Kolesa - Varnostne zahteve za kolesa za mlajše otroke (ISO 8098:2023)
Cycles - Safety requirements for bicycles for young children (ISO 8098:2023)
Fahrräder - Sicherheitstechnische Anforderungen an Kinderfahrräder (ISO 8098:2023)
Cycles - Exigences de sécurité pour les bicyclettes pour jeunes enfants(ISO 8098:2023)
Ta slovenski standard je istoveten z: EN ISO 8098:2023
ICS:
43.150 Kolesa Cycles
97.190 Otroška oprema Equipment for children
SIST EN ISO 8098:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 8098:2023
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SIST EN ISO 8098:2023
EN ISO 8098
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2023
EUROPÄISCHE NORM
ICS 43.150; 97.190 Supersedes EN ISO 8098:2014
English Version
Cycles - Safety requirements for bicycles for young
children (ISO 8098:2023)
Cycles - Exigences de sécurité pour les bicyclettes pour Fahrräder - Sicherheitstechnische Anforderungen an
jeunes enfants(ISO 8098:2023) Kinderfahrräder (ISO 8098:2023)
This European Standard was approved by CEN on 30 December 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8098:2023 E
worldwide for CEN national Members.
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SIST EN ISO 8098:2023
EN ISO 8098:2023 (E)
Contents Page
European foreword . 3
2
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SIST EN ISO 8098:2023
EN ISO 8098:2023 (E)
European foreword
This document (EN ISO 8098:2023) has been prepared by Technical Committee ISO/TC 149 "Cycles" in
collaboration with Technical Committee CEN/TC 333 “Cycles” the secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by July 2023, and conflicting national standards shall be
withdrawn at the latest by July 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 8098:2014.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 8098:2023 has been approved by CEN as EN ISO 8098:2023 without any modification.
3
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SIST EN ISO 8098:2023
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SIST EN ISO 8098:2023
INTERNATIONAL ISO
STANDARD 8098
Fourth edition
2023-01
Cycles — Safety requirements for
bicycles for young children
Cycles — Exigences de sécurité pour les bicyclettes pour jeunes
enfants
Reference number
ISO 8098:2023(E)
© ISO 2023
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements and test methods . 3
4.1 Brake tests and strength tests — Special requirements . 3
4.1.1 Brake tests to which special requirements apply . 3
4.1.2 Strength tests to which special requirements apply . 3
4.1.3 Numbers and condition of specimens for the strength tests. 3
4.1.4 Tolerances . 4
4.1.5 Fatigue test . 4
4.1.6 Plastic material test ambient temperature . 4
4.1.7 Impact test . 4
4.2 Toxicity . 4
4.3 Sharp edges . 5
4.4 Security and strength of safety-related fasteners . 5
4.4.1 Security of screws . 5
4.4.2 Minimum failure torque . 5
4.4.3 Quick-release devices . 5
4.4.4 Foot location devices . 5
4.4.5 Folding bicycle mechanism . 5
4.5 Crack detection methods . 5
4.6 Exposed protrusions . 5
4.7 Brakes . 6
4.7.1 Braking-systems . 6
4.7.2 Hand-operated brakes . . 6
4.7.3 Attachment of brake assembly and cable requirements . 8
4.7.4 Brake-block and brake-pad assemblies — Security test . 9
4.7.5 Brake adjustment . 9
4.7.6 Back-pedal brake . 9
4.7.7 Braking-system — Strength tests . 9
4.7.8 Braking performance . 10
4.8 Steering .12
4.8.1 Handlebar — Dimensions and end fittings.12
4.8.2 Handlebar grips and end plugs .12
4.8.3 Handlebar-stem — Insertion depth mark or positive stop . 14
4.8.4 Steering stability . 14
4.8.5 Steering assembly — Static strength and security tests . 14
4.8.6 Handlebar and stem assembly — Fatigue test . 18
4.9 Frames . 20
4.9.1 Frame and front fork assembly — Impact test (falling mass).20
4.9.2 Frame and front fork assembly — impact test (falling frame) . 21
4.10 Front fork . 22
4.10.1 General .22
4.10.2 Front fork — Bending fatigue test . 22
4.11 Wheel and tyre assembly . 23
4.11.1 Wheel and tyre assembly — Rotational accuracy .23
4.11.2 Wheel and tyre assembly — Clearance . 24
4.11.3 Wheel and tyre assembly — Static strength test . 25
4.11.4 Wheels — Wheel retention . 25
4.11.5 Tyre inflation pressure . 26
4.11.6 Wheel and tyre assembly —Overpressure test . 26
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
4.12 Pedals and pedal/crank drive system . 26
4.12.1 Pedal tread .26
4.12.2 Pedal clearance . 27
4.12.3 Pedal — Impact test . 27
4.12.4 Pedal/pedal-spindle — Dynamic durability test.28
4.12.5 Drive system static strength test .29
4.12.6 Crank assembly — Fatigue tests .30
4.13 Saddles and seat-posts . 31
4.13.1 Limiting dimensions . 31
4.13.2 Seat-post — Insertion-depth mark or positive stop . 31
4.13.3 Saddle and seat-post security test . 32
4.13.4 Saddle — Static strength test . 32
4.13.5 Saddle and seat-post assembly fatigue test . 33
4.14 Chain-wheel and belt-drive protective device .34
4.15 Stabilizers . 35
4.15.1 Mounting and dismounting. 35
4.15.2 Dimensions . 35
4.15.3 Vertical load test .36
4.15.4 Longitudinal load test .36
4.16 Luggage carriers . 37
4.17 Lighting systems and reflectors . 37
4.17.1 Front and rear light . 37
4.17.2 Reflectors . 37
4.17.3 Wiring harness .38
4.18 Warning device .38
5 Instructions .38
6 Marking . .39
6.1 Requirement . 39
6.2 Durability test .40
6.2.1 Requirement .40
6.2.2 Test method .40
Annex A (informative) Steering geometry .41
Annex B (informative) Verification of free fall velocity .42
Bibliography .43
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 149, Cycles, Subcommittee SC 1, Cycles
and major sub-assemblies, in collaboration with the European Committee for Standardization (CEN)
Technical Committee CEN/TC 333, Cycles, in accordance with the Agreement on technical cooperation
between ISO and CEN (Vienna Agreement).
This fourth edition cancels and replaces the third edition (ISO 8098:2014), which has been technically
revised.
The main changes are as follows:
— addition of the terms "3.3 conventional brake-lever", "3.4 parallel brake-lever", and "3.19 wheel and
tyre assembly";
— improvement of 4.4.2 Minimum failure torque;
— addition of 4.7.2.3.2 Parallel brake-lever;
— improvement of 4.8.1 Handlebar — Dimensions and end fittings;
— improvement of 4.8.2 Handlebar grips;
— "Wheels" and "Rims, tyres and tubes" are merged as "4.11 Wheels and tyre assembly";
— improvement of 4.11.2 Wheel and tyre assembly — Clearance;
— improvement of 4.12.6 Crank assembly — Fatigue tests;
— improvement of 4.14 Chain-wheel and belt-drive protective device.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
Introduction
This document has been developed in response to demand throughout the world, and the aim has been
to ensure that bicycles manufactured in conformity with it will be as safe as is practically possible.
The tests have been designed to ensure the strength and durability of individual parts as well as of the
bicycle as a whole, demanding high quality throughout and consideration of safety aspects from the
design stage onwards.
The scope has been limited to safety considerations and has specifically avoided standardization of
components.
If the bicycle is used on public roads, national regulations apply.
For safety requirements for toy bicycles intended for very young children see national regulations and
standards.
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SIST EN ISO 8098:2023
INTERNATIONAL STANDARD ISO 8098:2023(E)
Cycles — Safety requirements for bicycles for young
children
1 Scope
This document specifies safety and performance requirements and test methods for the design,
assembly and testing of fully assembled bicycles and sub-assemblies for young children. It also provides
guidelines for instructions on the use and care of the bicycles.
This document is applicable to bicycles with a maximum saddle height of more than 435 mm and less
than 635 mm, propelled by a transmitted drive to the rear wheel.
It is not applicable to special bicycles intended for performing stunts (e.g. BMX bicycles).
NOTE For bicycles with a maximum saddle height of 435 mm or less, see national regulations for ride-on
[5]-[13]
toys, and with a maximum saddle height of 635 mm or more, see ISO 4210-1 to ISO 4210-9 .
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1101, Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form,
orientation, location and run-out
ISO 6742-2, Cycles — Lighting and retro-reflective devices — Part 2: Retro-reflective devices
ISO 8124-1:2018, Safety of toys — Part 1: Safety aspects related to mechanical and physical properties
ISO 11243, Cycles — Luggage carriers for bicycles — Requirements and test methods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
bicycle
two-wheeled vehicle that is propelled solely or mainly by the muscular energy of the person on that
vehicle, in particular by means of pedals
[SOURCE: ISO 4210-1:2023, 3.1.1]
3.2
brake-lever
lever that operates a braking device
[SOURCE: ISO 4210-1:2023, 3.4.2]
1
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SIST EN ISO 8098:2023
ISO 8098:2023(E)
3.3
conventional brake-lever
brake-lever (3.2) with a rotational axis perpendicular to the handlebar
3.4
parallel brake-lever
brake-lever (3.2) with rotational axis parallel to the handlebar
3.5
braking force
tangential rearward force between the tyre and the ground or the tyre and the drum or belt of the test
machine
[SOURCE: ISO 4210-1:2023, 3.4.4]
3.6
crank assembly
assembly consisting of the drive side and the non-drive side crank arm the bottom-bracket spindle or
crank spindle, and all component of the drive system that are affixed to the crankset
[SOURCE: ISO 4210-1:2023, 3.8.2, modified — EXAMPLE has been removed.]
3.7
exposed protrusion
protrusion which through its location and rigidity could present a hazard to the rider either through
heavy contact with it in normal use or should the rider fall onto it in an accident
[SOURCE: ISO 4210-1:2023, 3.2.3]
3.8
fracture
unintentional separation into two or more parts
[SOURCE: ISO 4210-1:2023, 3.2.4]
3.9
highest gear
gear ratio which gives the greatest distance travelled for one rotation of the cranks
[SOURCE: ISO 4210-1:2023, 3.8.4]
3.10
lowest gear
gear ratio which gives the shortest distance travelled for one rotation of the cranks
[SOURCE: ISO 4210-1:2023, 3.8.5]
3.11
maximum inflation pressure
maximum tyre pressure recommended by the tyre or rim manufacturer for a safe and efficient
performance, and if the maximum rim pressure was marked on both the tyre and rim, maximum tyre
pressure according to the lower marked maximum inflation pressure on the rim or tyre
[SOURCE: ISO 4210-1:2023, 3.7.3, modified — Note 1 to entry has been removed.]
3.12
maximum saddle height
vertical distance from the ground to the point where the top of the seat surface is intersected by
the seat-post axis, measured with the seat in a horizontal position and with the seat-post set to the
minimum insertion-depth mark
[SOURCE: ISO 4210
...
SLOVENSKI STANDARD
oSIST prEN ISO 8098:2022
01-januar-2022
Kolesa - Varnostne zahteve za kolesa za mlajše otroke (ISO/DIS 8098:2021)
Cycles - Safety requirements for bicycles for young children (ISO/DIS 8098:2021)
Fahrräder - Sicherheitstechnische Anforderungen an Kinderfahrräder (ISO/DIS
8098:2021)
Cycles - Exigences de sécurité relatives aux bicyclettes pour jeunes enfants (ISO/DIS
8098:2021)
Ta slovenski standard je istoveten z: prEN ISO 8098
ICS:
43.150 Kolesa Cycles
97.190 Otroška oprema Equipment for children
oSIST prEN ISO 8098:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 8098:2022
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oSIST prEN ISO 8098:2022
DRAFT INTERNATIONAL STANDARD
ISO/DIS 8098
ISO/TC 149/SC 1 Secretariat: JISC
Voting begins on: Voting terminates on:
2021-11-08 2022-01-31
Cycles — Safety requirements for bicycles for young
children
Cycles — Exigences de sécurité relatives aux bicyclettes pour jeunes enfants
ICS: 43.150; 97.190
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 8098:2021(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
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oSIST prEN ISO 8098:2022
ISO/DIS 8098:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
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oSIST prEN ISO 8098:2022
ISO/DIS 8098:2021(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements and test methods . 3
4.1 Brake tests and strength tests — Special requirements . 3
4.1.1 Definition of brake tests . 3
4.1.2 Definition of strength tests . 3
4.1.3 Numbers and condition of specimens for the strength tests . 3
4.1.4 Tolerances . 3
4.1.5 Fatigue test . 4
4.1.6 Plastic material test ambient temperature . 4
4.1.7 Impact test . 4
4.2 Toxicity . 4
4.3 Sharp edges . 4
4.4 Security and strength of safety-related fasteners . 4
4.4.1 Security of screws . 4
4.4.2 Minimum failure torque . 4
4.4.3 Quick-release devices . 5
4.4.4 Foot location devices . 5
4.4.5 Folding bicycle mechanism . 5
4.5 Crack detection methods . 5
4.6 Protrusions . 5
4.7 Brakes . 5
4.7.1 Braking-systems . 5
4.7.2 Hand-operated brakes . 5
4.7.3 Attachment of brake assembly and cable requirements . 9
4.7.4 Brake-block and brake-pad assemblies — Security test . 9
4.7.5 Brake adjustment . 9
4.7.6 Back-pedal brake . 9
4.7.7 Braking-system — Strength tests .10
4.7.8 Braking performance .11
4.8 Steering .13
4.8.1 Handlebar — Dimensions and end fittings .13
4.8.2 Handlebar grips .13
4.8.3 Handlebar-stem — Insertion depth mark or positive stop .14
4.8.4 Steering stability .14
4.8.5 Steering assembly — Static strength and security tests . .15
4.8.6 Handlebar and stem assembly — Fatigue test .18
4.9 Frames .20
4.9.1 Frame and front fork assembly — Impact test (falling mass) .20
4.9.2 Frame and front fork assembly — impact test (falling frame) .22
4.10 Front fork .23
4.10.1 General.23
4.10.2 Front fork — Bending fatigue test .23
4.11 Wheels .23
4.11.1 Rotational accuracy .23
4.11.2 Wheel/tyre assembly — Clearance .26
4.11.3 Wheel/tyre assembly — Static strength test.26
4.11.4 Wheel retention .26
4.12 Rims, tyres and tubes .27
4.12.1 Tyre inflation pressure .27
© ISO 2021 – All rights reserved iii
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oSIST prEN ISO 8098:2022
ISO/DIS 8098:2021(E)
4.12.2 Tyre and rim compatibility .27
4.13 Pedals and pedal/crank drive system .28
4.13.1 Pedal tread .28
4.13.2 Pedal clearance .28
4.13.3 Pedal — Impact test .29
4.13.4 Pedal/pedal-spindle — Dynamic durability test .30
4.13.5 Drive system static strength test .31
4.13.6 Crank assembly — Fatigue tests.32
4.14 Saddles and seat-posts .33
4.14.1 Limiting dimensions .33
4.14.2 Seat-post — Insertion-depth mark or positive stop .33
4.14.3 Saddle and seat-post security test .34
4.14.4 Saddle — Static strength test .35
4.14.5 Saddle and seat-post assembly fatigue test .35
4.15 Chain-guard .36
4.16 Stabilizers .37
4.16.1 Mounting and dismounting .37
4.16.2 Dimensions .37
4.16.3 Vertical load test .38
4.16.4 Longitudinal load test .39
4.17 Luggage carriers .39
4.18 Lighting systems and reflectors .40
4.18.1 Front and rear light . .40
4.18.2 Reflectors . .40
4.18.3 Wiring harness .40
4.19 Warning device .40
5 Instructions .40
6 Marking .41
6.1 Requirement .41
6.2 Durability test .42
6.2.1 Requirement .42
6.2.2 Test method .42
Annex A (informative) Steering geometry .43
Annex B (informative) Verification of free fall velocity .45
Bibliography .46
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Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 149, Cycles, Subcommittee SC 1, Cycles
and major sub-assemblies.
This fourth edition cancels and replaces the third edition (ISO 8098:2014), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— xxx xxxxxxx xxx xxxx
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
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oSIST prEN ISO 8098:2022
ISO/DIS 8098:2021(E)
Introduction
This International Standard has been developed in response to demand throughout the world, and the
aim has been to ensure that bicycles manufactured in compliance with it will be as safe as is practically
possible. The tests have been designed to ensure the strength and durability of individual parts as well
as of the bicycle as a whole, demanding high quality throughout and consideration of safety aspects
from the design stage onwards.
The scope has been limited to safety considerations, and has specifically avoided standardization of
components.
If the bicycle is to be used on public roads, national regulations apply.
For safety requirements for toy bicycles intended for very young children see national regulations and
standards.
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oSIST prEN ISO 8098:2022
DRAFT INTERNATIONAL STANDARD ISO/DIS 8098:2021(E)
Cycles — Safety requirements for bicycles for young
children
1 Scope
This International Standard specifies safety and performance requirements and test methods for the
design, assembly and testing of fully assembled bicycles and sub-assemblies for young children. It also
provides guidelines for instructions on the use and care of the bicycles.
This International Standard is applicable to bicycles with a maximum saddle height of more than
435 mm and less than 635 mm, propelled by a transmitted drive to the rear wheel.
It is not applicable to special bicycles intended for performing stunts (e.g. BMX bicycles).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1101, Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form,
orientation, location and run-out
ISO 5775-1, Bicycle tyres and rims — Part 1: Tyre designations and dimensions
ISO 5775-2, Bicycle tyres and rims — Part 2: Rims
ISO 6742-2, Cycles — Lighting and retro-reflective devices — Part 2: Retro-reflective devices
ISO 8124-1, Safety of toys — Part 1: Safety aspects related to mechanical and physical properties
ISO 11243, Cycles — Luggage carriers for bicycles — Requirements and test methods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
bicycle
two-wheeled vehicle that is propelled solely or mainly by the muscular energy of the person on that
vehicle, in particular by means of pedals
3.2
brake-lever
lever that operates a braking device
3.3
conventional brake-lever
brake-lever with a rotational axis perpendicular to the handlebar
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oSIST prEN ISO 8098:2022
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3.4
parallel brake-lever
brake-lever with rotational axis parallel to the handlebar
3.5
braking force
tangential rearward force between the tyre and the ground or the tyre and the drum or belt of the test
machine
3.6
crank assembly
assembly consisting of the drive side and the nondrive side crank arm the bottom-bracket spindle or
crank spindle, and all component of the drive system that are affixed to the crankset
3.7
cycle
any vehicle that has at least two wheels and is propelled solely or mainly by the muscular energy of the
person on that vehicle, in particular by means of pedals
3.8
exposed protrusion
protrusion which through its location and rigidity could present a hazard to the rider either through
heavy contact with it in normal use or should the rider fall onto it in an accident
3.9
fracture
unintentional separation into two or more parts
3.10
highest gear
gear ratio which gives the greatest distance travelled for one rotation of the cranks
3.11
lowest gear
gear ratio which gives the shortest distance travelled for one rotation of the cranks
3.12
maximum inflation pressure
maximum tyre pressure recommended by the tyre or rim manufacturer for a safe and efficient
performance, and if the maximum rim pressure was marked on both the tyre and rim, maximum tyre
pressure according to the lower marked maximum inflation pressure on the rim or tyre
3.13
maximum saddle height
vertical distance from the ground to the point where the top of the seat surface is intersected by
the seat-post axis, measured with the seat in a horizontal position and with the seat-post set to the
minimum insertion-depth mark
3.14
pedal tread surface
surface of a pedal that is presented to the underside of the foot
3.15
quick-release devices
lever actuated mechanism that connects, retains, or secures a wheel or any other component
3.16
stabilizers
removable auxiliary wheels fitted to enable the rider to balance
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oSIST prEN ISO 8098:2022
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3.17
toe-clip
device attached to the pedal to grip the toe end of the rider's shoe but permitting withdrawal of the
shoe
3.18
toe-strap
device to securely locate a rider's shoe on a pedal
3.19
visible crack
crack which results from a test where that crack is visible to the naked eye
4 Requirements and test methods
4.1 Brake tests and strength tests — Special requirements
4.1.1 Definition of brake tests
Brake tests to which accuracy requirements apply, as in 4.1.4, are those specified in 4.7.2.3 to 4.7.8.4
inclusive.
4.1.2 Definition of strength tests
Strength tests to which accuracy requirements apply, as in 4.1.4, are those involving static, impact or
fatigue loading as specified in 4.8 to 4.14 inclusive and 4.16.
4.1.3 Numbers and condition of specimens for the strength tests
In general, for static, impact and fatigue tests, each test shall be conducted on a new test sample, but
if only one sample is available, it is permissible to conduct all of the tests on the same sample with the
sequence of testing being fatigue, static and impact.
When more than one test is conducted on the same sample, the test sequence shall be clearly recorded
in the test report or record of testing.
NOTE It should be noted that if more than one test is conducted on the same sample, earlier test can influence
the results of subsequent tests. Also, if a sample fails when it has been subjected to more than one test, a direct
comparison with single testing is not possible.
In all strength tests, specimens shall be in the fully finished condition.
It is permitted to carry out tests with dummy assemblies such as a fork or handlebar when carrying out
frame or handlebar stem tests.
4.1.4 Tolerances
Unless stated otherwise, accuracy tolerances based on the nominal values shall be as follows:
— Forces and torques: 0/+5 %
— Masses and weights: ±1 %
— Dimensions: ±1 mm
— Angles: ±1°
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— Time duration: ±5 s
— Temperatures: ±2 °C
— Pressures: ±5 %
4.1.5 Fatigue test
The force for fatigue tests is to be applied and released progressively, not to exceed 10 Hz. The tightness
of fasteners according to manufacturer's recommended torque can be re-checked not later than 1 000
test cycles to allow for the initial settling of the component assembly. (This is considered applicable to
all components, where fasteners are present for clamping.) The test bench shall be qualified to meet
dynamic requirements of 4.1.4.
NOTE Examples of suitable methods are listed in Reference [7] in the Bibliography.
4.1.6 Plastic material test ambient temperature
All strength tests involving any plastic materials shall be pre-conditioned for two hours and tested at
an ambient temperature of 23 °C ± 5 °C.
4.1.7 Impact test
For all vertical impact test, the striker shall be guided in such a way that the efficiency will allow a
value of at least 95 % of the free velocity.
NOTE See Annex B.
4.2 Toxicity
Any items which come into intimate contact with the rider (i.e. causing any hazard due to sucking or
licking) shall comply with national regulations specific to children's products.
4
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