ISO INTERNATIONAL STANDARD 8090 Second edition 2019-09 Cycles - Terminology Gycles Terminologie Reference number IS0 8090:2019(E) [so @ IS0 2019 IS0 8090:2019(E) , Imperial College London, Version correct as of 20/12/2019 Licensed copy: Imperial College , COPYRIGHTPROTECTEDDOCUMENT @I IS0 2019 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 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 8090:2019(E) Contents Page Foreword. iv Introduction 1 Scope 2 Normative references 3 Terms and symbols. Alphabetical Index (ENGLISH). 109 Alphabetical Index (AMERICAN) . .115 Index alphabétique (FRANCAIS) .. .121 Alphabetischer Index (DEUTSCH).. 126 Indice Alfabetico (ITALIANO). .131 AIfabetische Index (NEDERLANDS) . .136 indice (PORTUGUES) .141 案引日本語. .146 索引 (中文) 151 @ IS0 2019 - All rights reserved iii IS0 8090:2019(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. se 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 corr 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). ion Versi 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 London 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 Col expressions related to conformity assessment, as well as information about Iso's adherence to the ia World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see Imper This document was prepared by Technical Committee ISo/TC 149, Cycles, Subcommittee SC 1, Cycles lege and major sub-assemblies. Col This second edition cancels and replaces the first edition (Is0 8090:1990), which has been technically revised. The main changes compared to the previous edition are as follows: Imperial Terms and figures have been technically revised. In addition to terms used in the two official ISo languages (English and French), this document gives the copy: equivalent terms in German, Italian, Dutch, Portuguese, Japanese, Chinese; these are published under the responsibility of the member body for Iso and are given for information only. Only the terms and definitions given in the official languages can be considered as IsO