ISO 6699-2016 Cycles - Handlebar centre and stem dimensions《自行车 车把中心和立管尺寸》.pdf

1、 ISO 2016 Cycles Handlebar centre and stem dimensions Cycles Dimensions du centre du guidon et de la potence INTERNATIONAL STANDARD ISO 6699 Second edition 2016-08-15 Reference number ISO 6699:2016(E) ISO 6699:2016(E)ii ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in

2、 Switzerland 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

3、 be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO 6699:2016(E)Foreword iv 1 Scope . 1

4、 2 Normative references 1 3 Dimensions . 1 3.1 External diameter of the handlebar 1 3.2 Internal diameter of the stem clamp 2 3.3 Assembly conditions 2 ISO 2016 All rights reserved iii Contents Page ISO 6699:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide fed

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10、terms and expressions related to conformit y assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html. The committee responsible for this document is ISO/TC 1

11、49, Cycles. This second edition cancels and replaces the first edition (ISO 6699:1990), which has been technically revised with the following changes: a) Table 1, with common stem clamp diameters and relating tolerances, has been added; b) Figure 1 has been simplified; c) Figure 2 has been updated.i

12、v ISO 2016 All rights reserved INTERNATIONAL ST ANDARD ISO 6699:2016(E) Cycles Handlebar centre and stem dimensions 1 Scope This International Standard specifies the dimensions and tolerances to ensure secure assembly between the stem and the handlebar centre of a bicycle. This International Standar

13、d is applicable for bicycles intended for use on public roads, and on which the saddle can be adjusted to provide a saddle height of 635 mm or more. This International Standard is not applicable for specialized types of bicycle, such as tradesmens delivery bicycles, tandems, toy bicycles and bicycle

14、s designed and equipped for use in sanctioned competitive events. 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,

15、the latest edition of the referenced document (including any amendments) applies. ISO 4210-2:2015, Cycles Safety requirements for bicycles Part 2: Requirements for city and trekking, young adult, mountain and racing bicycles 3 Dimensions 3.1 External diameter of the handlebar The external diameter o

16、f the handlebar, D, at the stem interface shall be according to Table 1 (see Figure 1). Figure 1 External diameter of the handlebar ISO 2016 All rights reserved 1 ISO 6699:2016(E) Table 1 Dimensions and tolerances Dimensions in millimetres Handlebar clamp diameter Stem clamp diameter D d a a aFor ha

17、ndlebars which are produced by hydroforming, the dimensions and tolerances could be mm for D and mm for d, based on the characteristics of the manufacturing process. 3.2 Internal diameter of the stem clamp The internal diameter of the stem clamp, d, shall be according to Table 1 (see Figure 2). Figu

18、re 2 Internal diameter of the stem clamp The internal diameter of the stem clamp can be measured with a tube of the corresponding external diameter. 3.3 Assembly conditions The assembly of the stem and the handlebar bend, with the clamping bolt tightened with the torque recommended by the manufacturer, shall comply with the requirements of ISO 4210-2:2015, 4.7.2 ISO 2016 All rights reserved ISO 6699:2016(E) ISO 2016 All rights reserved IC S 43.150 Price based on 2 pages