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BS EN ISO 4210-4:2023

BS EN ISO 4210-4:2023

$167.15

Cycles. Safety requirements for bicycles – Braking test methods

Published By Publication Date Number of Pages
BSI 2023 40
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This document specifies the braking test methods for ISO 4210?2.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 Brake lever grip dimensions
4.1.1 Test method for the brake lever similar to type A or type B
11 4.1.2 Test method for the brake lever similar to type C
13 4.2 Brake levers — Position of applied force
4.2.1 Type A and B brake levers
4.2.2 Type C brake levers
14 4.3 Brake-block and brake-pad assemblies — Security test
4.4 Hand-operated braking-system — Strength test
15 4.5 Back-pedal braking system — Strength test
4.6 Braking performance
4.6.1 Test bicycle
4.6.2 Secondary brake levers
16 4.6.3 Track test method
25 4.6.4 Back-pedal brake linearity test
4.6.5 Machine test method
31 4.7 Brakes — Heat-resistance test
4.7.1 Drag test
32 4.7.2 Brake performance measurement after drag test
34 Annex A (informative) Explanation of the method of least squares for obtaining the line of best fit and ±20 % limit lines for braking performance linearity
37 Annex B (informative) Method of measuring braking distance with different lever forces
39 Annex C (informative) How to derive the total braking energy for brake heat resistance test

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BS EN ISO 4210-4:2023
$167.15