prEN 17860-4

SLOVENSKI STANDARD
01-oktober-2024
Tovorna kolesa - 4. del: Težka tovorna kolesa - Mehanski in funkcionalni vidiki
Carrier Cycles - Part 4: Heavy weight carrier cycles - Mechanical and functional aspects
Lastenfahrräder - Teil 4: Schwere Lastenfahrräder - Mechanische und funktionale
Aspekte
Cycles utilitaires Partie 4 : Cycles utilitaires lourds Aspects mécaniques
Ta slovenski standard je istoveten z: prEN 17860-4
ICS:
43.150 Kolesa Cycles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2024
ICS
English Version
Carrier Cycles - Part 4: Heavy weight carrier cycles -
Mechanical and functional aspects
Cycles utilitaires ¿ Partie 4 : Cycles utilitaires lourds ¿ Lastenfahrräder - Teil 4: Schwere Lastenfahrräder -
Aspects mécaniques Mechanische Aspekte
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 333.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.
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.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17860-4:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Use cases: commercial/professional use or low mileage use . 7
5 General vehicle requirements . 8
5.1 Numbers and condition of specimens for the strength tests . 8
5.2 Accuracy tolerances of test conditions for brake tests and strength tests . 8
5.3 Protrusions . 8
5.4 Sharp edges . 8
5.5 Securing and strength of safety-relevant fasteners. 8
5.6 Steering function . 8
5.7 Shimmy . 8
5.8 Requirements for loading areas/load securing . 8
5.9 Parking and stability . 8
5.9.1 Requirement . 8
5.9.2 Tipping stability of multi track carrier cycles . 8
5.9.3 Parking stability while loading . 8
5.9.4 Dynamic tipping stability of multi track carrier cycles . 8
5.9.5 Double lane change test . 8
5.9.6 Dynamic tipping stability on slopes . 9
5.9.7 Prevention of wheel jamming of multi track carrier cycles . 9
5.10 Pedal clearance . 9
5.10.1 Ground clearance . 9
5.10.2 Toe clearance . 9
5.11 Wheel and tyre assembly – clearance . 9
5.12 Wheel retention . 9
5.13 Vibrations, ergonomics and design . 9
6 Brakes . 10
6.1 General. 10
6.2 Hand-operated brakes . 10
6.2.1 Brake lever position . 10
6.2.2 Brake-lever grip dimension . 10
6.2.3 Attachment of brake assembly and cable requirements . 10
6.2.4 Brake-lever – Position of applied force . 10
6.2.5 Brake-block and brake-pad assemblies – Safety test . 10
6.2.6 Hand-operated braking-system – Strength test . 10
6.2.7 Back-pedal braking system – Strength test . 10
6.3 Requirements of the test method on a test track . 10
6.4 Requirements of the test method on a test bench. 11
6.4.1 Requirement for the minimum braking force . 11
6.4.2 Requirement for the uniformity of braking forces. . 11
6.5 Tests . 11
7 Steering . 11
8 Frame . 11
8.1 Suspension frames — Special requirements . 11
8.2 Requirements for all frame types . 11
8.3 Frame – Dynamic test with pedalling forces . 12
8.3.1 General. 12
8.3.2 Test method . 12
8.4 Frame – Dynamic test with horizontal forces . 14
8.4.1 General. 14
8.4.2 Determination of the test loads . 15
8.4.3 Test method . 15
8.5 Frame — Dynamic test with a vertical force onto the seatpost . 17
8.6 Frame – Dynamic test with vertical forces onto the loading area . 17
8.7 Frame – Dynamic test with lateral forces . 17
8.7.1 General. 17
8.7.2 Determination of the lateral test load . 17
8.7.3 Requirement . 19
8.7.4 Test method . 19
8.8 Frame assembly – Impact test (falling frame) . 23
8.8.1 General. 23
8.8.2 Requirement . 23
8.8.3 Test method . 23
8.9 Frame – Brake mount test. 25
8.9.1 Requirements . 25
8.9.2 Brake mount fatigue test . 26
8.9.3 Brake mount static torque test . 26
8.10 Frame – Trailer suitability stress test . 27
8.10.1 Requirement . 27
8.10.2 Test method . 27
9 Front wheel fork . 27
9.1 General. 27
9.2 Installation of the axle and wheel fastening . 27
9.3 Front wheel fork —Static bending t
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