ISO INTERNATIONAL 20957-10 STANDARD Second edition 2017-10 Stationary training equipment - Part 10: Exercise bicycles with a fixed wheel or without freewheelAdditional specific safety requirements and test methods Equipement d'entrainement fixe- Partie 1O:Bicyclettes d'exercice avec une rouefixe ou sans roue libre-Exigences specifiques de securite et methodes d'essai supplementaires Referencenumbel ISO 20957-10:2017(E) c ISO 2017 ISO 20957-10:2017(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2017,Published in 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 be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch.de_Blandonnet_ 8-CP401 CH-1214 Vernier,Geneva,Switzerland Tel.+41227490111 Fax+41227490947 [email protected] www.iso.org ii C ISO 2017-All rights reserved 20957-10:2017(E) ISO Contents Page Foreword iv 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Safety requirements 5.1 External construction 5.1.1 Transmission elements , rotating parts ,squeeze and shear points 5.1.2 Temperature ofaccessible surfaces 5.2 Intrinsic loading 5.2.1 Seat pillar 5.2.2 Handlebar 5.2.3 Pedal 5.3 Seat pillar adjustment 5.3.1 General 5.3.2 Insertion depth 5.4 Handlebar 5.4.1 Handlebar stem adjustment 5.4.2 Insertion depth 5.5 Pedals 5.6 Stability 5.7 Locking system 5.8 Emergency braking system 6 5.8.1 Effectiveness 5.8.2 Actuator integrity 5.8.3 Visibility 5.9 Endurance for the pedal crank assembly 6 5.10 Foot clearance 5.11 Power display 5.12 Additional instructions for use 5.13 marking Additional Test methods 6 6.1 6.1.1 Dimensional check 8 6.1.2 Visual examination 6.1.3 Performance test 6.2 Testing of transmission elements,rotating parts ,squeeze and shear points 8 6.3 Testing of temperature ofaccessible surfaces 6.4 Testing ofintrinsic loading ..+...............+..+..+.. 6.5 Testing of handlebars 6.6 Testing of stability 6.7 Testing ofthe emergency braking system 6.7.1 Testing of effectiveness ........... 6.7.2 Testing of actuator integrity 9 6.8 Testing ofthe pedal crank assembly 6.9 Testing of the power display 10 6.10 Testing oflocking system 7 Test report 11 Bibliography 12 @ ISO 2017-All rights reserved ili