SIST EN ISO 4210-5:2014

SLOVENSKI STANDARD
SIST EN ISO 4210-5:2014
01-oktober-2014
1DGRPHãþD
SIST EN 14764:2006
SIST EN 14766:2006
SIST EN 14781:2006
Kolesa - Varnostne zahteve za kolesa - 5. del: Preskusne metode za krmila (ISO
4210-5:2014)
Cycles - Safety requirements for bicycles - Part 5: Steering test methods (ISO 4210-
5:2014)
Fahrräder - Sicherheitstechnische Anforderungen an Fahrräder - Teil 5: Prüfverfahren für
die Lenkung (ISO 4210-5:2014)
Cycles - Exigences de sécurité des bicyclettes - Partie 5: Méthodes d'essai de guidage
(ISO 4210-5:2014)
Ta slovenski standard je istoveten z: EN ISO 4210-5:2014
ICS:
43.150 Kolesa Cycles
SIST EN ISO 4210-5:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 4210-5:2014

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SIST EN ISO 4210-5:2014

EUROPEAN STANDARD
EN ISO 4210-5

NORME EUROPÉENNE

EUROPÄISCHE NORM
July 2014
ICS 43.150 Supersedes EN 14764:2005, EN 14766:2005, EN
14781:2005
English Version
Cycles - Safety requirements for bicycles - Part 5: Steering test
methods (ISO 4210-5:2014)
Cycles - Exigences de sécurité des bicyclettes - Partie 5: Fahrräder - Sicherheitstechnische Anforderungen an
Méthodes d'essai de guidage (ISO 4210-5:2014) Fahrräder - Teil 5: Prüfverfahren für die Lenkung (ISO
4210-5:2014)
This European Standard was approved by CEN on 21 June 2014.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4210-5:2014 E
worldwide for CEN national Members.

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SIST EN ISO 4210-5:2014
EN ISO 4210-5:2014 (E)
Contents Page
Foreword .3
2

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SIST EN ISO 4210-5:2014
EN ISO 4210-5:2014 (E)
Foreword
This document (EN ISO 4210-5:2014) 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 January 2015, and conflicting national standards shall be withdrawn at
the latest by July 2015.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 14764:2005, EN 14766:2005, EN 14781:2005.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 4210-5:2014 has been approved by CEN as EN ISO 4210-5:2014 without any modification.

3

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SIST EN ISO 4210-5:2014

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SIST EN ISO 4210-5:2014
INTERNATIONAL ISO
STANDARD 4210-5
First edition
2014-07-01
Cycles — Safety requirements for
bicycles —
Part 5:
Steering test methods
Cycles — Exigences de sécurité des bicyclettes —
Partie 5: Méthodes d’essai de guidage
Reference number
ISO 4210-5:2014(E)
©
ISO 2014

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SIST EN ISO 4210-5:2014
ISO 4210-5:2014(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2014
All rights reserved. Unless otherwise specified, 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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved

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SIST EN ISO 4210-5:2014
ISO 4210-5:2014(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test methods . 1
4.1 Handlebar grips and plugs . 1
4.2 Handlebar stem — Lateral bending test . 2
4.3 Handlebar and stem assembly — Lateral bending test . 3
4.4 Handlebar stem — Forward bending test . 5
4.5 Handlebar to handlebar stem — Torsional security test . 7
4.6 Handlebar stem to fork steerer — Torsional security test . 8
4.7 Bar end to handlebar — Torsional security test . 9
4.8 Aerodynamic extensions to handlebar — Torsional security test . 9
4.9 Handlebar and stem assembly — Fatigue test .10
© ISO 2014 – All rights reserved iii

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SIST EN ISO 4210-5:2014
ISO 4210-5:2014(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 on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 149, Cycles, Subcommittee SC 1, Cycles and major
sub-assemblies.
This first edition of ISO 4210-5, together with ISO 4210-1, ISO 4210-2, ISO 4210-3, ISO 4210-4, ISO 4210-6,
ISO 4210-7, ISO 4210-8, and ISO 4210-9, cancels and replaces ISO 4210:1996, which has been technically
revised.
 ISO 4210 consists of the following parts, under the general title Cycles — Safety requirements for bicycles:
— Part 1: Terms and definitions
— Part 2: Requirements for city and trekking, young adult, mountain and racing bicycles
— Part 3: Common test methods
— Part 4: Braking test methods
— Part 5: Steering test methods
— Part 6: Frame and fork test methods
— Part 7: Wheels and rims test methods
— Part 8: Pedals and drive system test methods
— Part 9: Saddles and seat-post test methods
iv © ISO 2014 – All rights reserved

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SIST EN ISO 4210-5:2014
ISO 4210-5:2014(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 this International Standard
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.
© ISO 2014 – All rights reserved v

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SIST EN ISO 4210-5:2014

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SIST EN ISO 4210-5:2014
INTERNATIONAL STANDARD ISO 4210-5:2014(E)
Cycles — Safety requirements for bicycles —
Part 5:
Steering test methods
1 Scope
This part of ISO 4210 specifies the steering test methods for ISO 4210-2.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 4210-1, Cycles – Safety requirements for bicycles – Part 1: Terms and definitions
ISO 4210-2:2014, Cycles – Safety requirements for bicycles – Part 2: Requirements for city and trekking,
young adult, mountain and racing bicycles
ISO 4210-3:2014, Cycles – Safety requirements for bicycles – Part 3: Common test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 4210-1 apply.
4 Test methods
4.1 Handlebar grips and plugs
4.1.1 Freezing test
Immerse the handlebar, with handlebar grips or plugs fitted, in water at room temperature for 1 h and
then place the handlebar in a freezer until the handlebar is at a temperature lower than −5 °C. Remove
the handlebar from the freezer and allow the temperature of the handlebar to reach −5 °C, and then
apply a force of 70 N to the grip or plug in the loosening direction as shown in Figure 1. Maintain the
force until the temperature of the handlebar has reached +5 °C. It shall be permitted to create a hole in
the plug to allow for the testing fixture to be fitted so long as the hole does not affect the seat of the plug
in the handlebar and the fixture does not contact the handlebar during the test.
© ISO 2014 – All rights reserved 1

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SIST EN ISO 4210-5:2014
ISO 4210-5:2014(E)

Key
1 handlebar grip
2 handlebar
3 drawing attachment
4 hooking ring
5 clearance
NOTE The hooking ring can be divided.
Figure 1 — Example of handlebar grip drawing attachment
4.1.2 Hot water test
Immerse the handlebar, with handlebar grips fitted, in hot water of +60 °C ± 2 °C for 1 h. Remove the
handlebar from the hot water, allow the handlebar to stabilize at ambient temperature for 30 min, and
apply a force of 100 N to the grip in the loosening direction as shown in Figure 1. Maintain this force for
1 min.
4.2 Handlebar stem — Lateral bending test
For stems which have a qu
...

SLOVENSKI STANDARD
oSIST prEN ISO 4210-5:2013
01-januar-2013
Kolesa - Varnostne zahteve za kolesa - 5. del: Preskusne metode za krmila
(ISO/DIS 4210-5:2012)
Cycles - Safety requirements for bicycles - Part 5: Steering test methods (ISO/DIS 4210-
5:2012)
Fahrräder - Sicherheitstechnische Anforderungen an Fahrräder - Teil 5: Prüfverfahren für
die Lenkung (ISO/DIS 4210-5:2012)
Cycles - Exigences de sécurité des bicyclettes - Partie 5: Méthodes d'essai de guidage
(ISO/DIS 4210-5:2012)
Ta slovenski standard je istoveten z: prEN ISO 4210-5
ICS:
43.150 Kolesa Cycles
oSIST prEN ISO 4210-5:2013 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 4210-5:2013

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oSIST prEN ISO 4210-5:2013


EUROPEAN STANDARD
DRAFT
prEN ISO 4210-5
NORME EUROPÉENNE

EUROPÄISCHE NORM

November 2012
ICS 43.150 Will supersede EN 14764:2005, EN 14766:2005, EN
14781:2005
English Version
Cycles - Safety requirements for bicycles - Part 5: Steering test
methods (ISO/DIS 4210-5:2012)
Cycles - Exigences de sécurité des bicyclettes - Partie 5: Fahrräder - Sicherheitstechnische Anforderungen an
Méthodes d'essai de guidage (ISO/DIS 4210-5:2012) Fahrräder - Teil 5: Prüfverfahren für die Lenkung (ISO/DIS
4210-5:2012)
This draft European Standard is submitted to CEN members for parallel 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey 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

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 4210-5:2012: E
worldwide for CEN national Members.

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oSIST prEN ISO 4210-5:2013
prEN ISO 4210-5:2012 (E)
Contents Page
Foreword .3

2

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oSIST prEN ISO 4210-5:2013
prEN ISO 4210-5:2012 (E)
Foreword
This document (prEN ISO 4210-5:2012) 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 document is currently submitted to the parallel Enquiry.
This document will supersede EN 14764:2005, EN 14766:2005, EN 14781:2005.
Endorsement notice
The text of ISO/DIS 4210-5:2012 has been approved by CEN as a prEN ISO 4210-5:2012 without any
modification.

3

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oSIST prEN ISO 4210-5:2013

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oSIST prEN ISO 4210-5:2013

DRAFT INTERNATIONAL STANDARD ISO/DIS 4210-5
ISO/TC 149/SC 1 Secretariat: JISC
Voting begins on Voting terminates on

2012-11-08 2013-04-08
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION  •  МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ  •  ORGANISATION INTERNATIONALE DE NORMALISATION


Cycles — Safety requirements for bicycles —
Part 5:
Steering test methods
Cycles — Exigences de sécurité des bicyclettes —
Partie 5: Méthodes d'essai de guidage
ICS 43.150







ISO/CEN PARALLEL PROCESSING
This draft has been developed within the International Organization for Standardization (ISO), and
processed under the ISO-lead mode of collaboration as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member bodies for a parallel
five-month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments received, will be
submitted to a parallel two-month approval vote in ISO and formal vote in CEN.

To expedite distribution, this document is circulated as received from the committee
secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at
publication stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.



THIS DOCUMENT IS A DRAFT CIRCULATED 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 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 NATIONAL REGULATIONS.
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.
©  International Organization for Standardization, 2012

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oSIST prEN ISO 4210-5:2013
ISO/DIS 4210-5

Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted
under the applicable laws of the user’s country, neither this ISO draft nor any extract from it may be
reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic,
photocopying, recording or otherwise, without prior written permission being secured.
Requests for permission to reproduce should be addressed to either ISO at the address below or ISO’s
member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Reproduction may be subject to royalty payments or a licensing agreement.
Violators may be prosecuted.

ii © ISO 2012 – All rights reserved

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oSIST prEN ISO 4210-5:2013
ISO/DIS 4210-5
Contents Page
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test methods . 1
4.1 Handlebar grips and plugs . 1
4.1.1 Freezing test . 1
4.1.2 Hot water test . 2
4.2 Handlebar-stem – Lateral bending test . 2
4.3 Handlebar and stem assembly – Lateral bending test . 3
4.4 Handlebar-stem – Forward bending test . 5
4.4.1 Test method for Stage 1 . 5
4.4.2 Test method for Stage 2 . 6
4.5 Handlebar to handlebar-stem – Torsional security test . 7
4.6 Handlebar-stem to fork steerer – Torsional security test . 9
4.7 Bar-end to handlebar – Torsional security test . 10
4.8 Aerodynamic extensions to handlebar – Torsional security test . 11
4.9 Handlebar and stem assembly – Fatigue test . 12
4.9.1 Test method for city & trekking, young adult and mountain bicycles . 12
4.9.2 Test method for racing bicycles . 13

© ISO 2012 – All rights reserved iii

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oSIST prEN ISO 4210-5:2013
ISO/DIS 4210-5
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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 4210-5 was prepared by Technical Committee ISO/TC 149, Cycles, Subcommittee SC 1, Cycles and
major sub-assemblies.
ISO 4210 consists of the following parts, under the general title Cycles — Safety requirements for bicycles:
 Part 1: Terms and definitions
 Part 2: Requirements for city & trekking, young adult, mountain and racing bicycles
 Part 3: Common test methods
 Part 4: Braking test methods
 Part 5: Steering test methods
 Part 6: Frame and fork test methods
 Part 7: Wheel and rim test methods
 Part 8: Pedal and drive system test methods
 Part 9: Saddle and seat-post test methods
iv © ISO 2012 – All rights reserved

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oSIST prEN ISO 4210-5:2013
ISO/DIS 4210-5
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 standardisation of
components.
If the bicycle is to be used on public roads, national regulations apply and it may be equipped with a lighting
system.

© ISO 2012 – All rights reserved v

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oSIST prEN ISO 4210-5:2013

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oSIST prEN ISO 4210-5:2013
DRAFT INTERNATIONAL STANDARD ISO/DIS 4210-5

Cycles — Safety requirements for bicycles —
Part 5:
Steering test methods
1 Scope
This part of ISO 4210 specifies the steering test methods for ISO 4210-2.
2 Normative references
The following referenced documents are indispensable for the application 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.
1)
ISO 4210-1:– , Cycles – Safety requirements for bicycles – Part 1: Terms and definitions
2)
ISO 4210-2:– , Cycles – Safety requirements for bicycles – Part 2: Requirements for city & trekking, young
adult, mountain and racing bicycles
3)
ISO 4210-3:– , Cycles – Safety requirements for bicycles – Part 3: Common test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions are given in ISO 4210-1.
4 Test methods
4.1 Handlebar grips and plugs
4.1.1 Freezing test
Immerse the handlebar, with handlebar grips or plugs fitted, in water at room temperature for one hour and
then place the handlebar in a freezer until the handlebar is at a temperature lower than -5 °C. Remove the
handlebar from the freezer and allow the temperature of the handlebar to reach -5 °C, and then apply a force
of 70 N to the grip or plug in the loosening direction as shown in Figure 1. Maintain the force until the
temperature of the handlebar has reached +5 °C.
NOTE It shall be permitted to create a hole in the plug to allow for the testing fixture to be fitted so long as the hole
does not affect the seat of the plug in the handlebar and the fixture does not contact the handlebar during the test.

1) To be published.(Revision of ISO 4210:1996)
2) To be published.(Revision of ISO 4210:1996)
3) To be published. (Revision of ISO 4210:1996)
© ISO 2012 – All rights reserved 1

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oSIST prEN ISO 4210-5:2013
ISO/DIS 4210-5

Key
1 Handlebar grip
2 Handlebar
3 Drawing attachment
4 Hooking ring
5 Clearance
NOTE The hooking ring can be divided.
Figure 1 — Example of handlebar grip drawing attachment
4.1.2 Hot water test
Immerse the handlebar, with handlebar grips fitted, in hot water of +60
...