GB/T 31887.1-2025: Cycles - Lighting and retro-reflective devices - Part 1: Lighting and light signalling devices

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Scope

This document specifies the functions, safety requirements, and optical performance of
bicycle lighting and light signaling devices, and describes the corresponding test
methods.
This document applies to lighting and light signaling devices for bicycles used on public
roads, particularly two-wheeled bicycles conforming to GB 3565.2 and GB 14746.

Basic Data

Standard ID	GB/T 31887.1-2025 (GB/T31887.1-2025)
Description (Translated English)	Cycles - Lighting and retro-reflective devices - Part 1: Lighting and light signalling devices
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y14
Classification of International Standard	43.150
Word Count Estimation	26,239
Date of Issue	2025-10-31
Date of Implementation	2026-05-01
Older Standard (superseded by this standard)	GB/T 31887.1-2019
Issuing agency(ies)	State Administration for Market Regulation and Standardization Administration of China