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ST540 Front/Rear USB Bike Light Set

Sale price: $39.99 Regular price:
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Sale price: $39.99 Regular price:

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Model: 8576366

Product Features

A photo of the ST540 Front/Rear USB Bike Light Set in use

ST540 Front/Rear USB Bike Light Set is designed for

USB rechargeable, LED front and rear bike light set, approved for road use in France and Germany (STVZO). Made in France.

Visually efficient

Power: 10 lux Narrow beam Effective at low speed.


Power: 26 lumens (front) / 3 lumens (back) Visible at the back from 220°

Battery life

Front continuous mode: 2 hrs Back continuous mode: 4 hrs Rechargeable via USB


WHITE (1 mode) and RED (1 mode) Universal elastic mount


IPX 4: withstands spray and heavy, persistent rain.

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Additional Product Information


Main fabric

  • 20% Polycarbonate - Acrylonitrile butadiene styrene
  • 80% Styrene ethylene butadiene styrene

Inner shell - Main fabric

  • 100% Battery - Lilo


  • 100% Polycarbonate


Thanks to feedback provided by cyclists and other road users (drivers, pedestrians, etc...), our design teams have defined optimum features linked to cyclists' visibility. With one purpose in mind: ensuring cyclists' safety.


Battery capacity: 200 mAh (500 cycles guaranteed) LED light power: - front LED light: 26 lumens, 10 lux - back LED light: 3 Lumen. Approved for road cycling in France and Germany (STVZO) Equipped with special lenses that focus the light so you can see in FRONT (at a speed of 9 mph) to avoid obstacles and be seen from behind from 220°.



Product testing

Lab tests are conducted to approve components: batteries, battery life, UV-resistance, durability, etc. The final product is then tested to simulate the durability of the assembly over time. The light is fitted to a test bike to reproduce the vibrations of cycling on a road for several thousand cycles.

Superior quality. Unbeatable prices.

For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.

Decathlon makes the difference
  1. product-research

    Research and development

    delivers high-quality cost-effective products

  2. State-of-the-art production processes

    minimize manufacturing costs

  3. Optimized supply chain

    reduces retail prices

  4. laptop-checkout

    Minimal retail footprint

    lowers overhead and indirect costs


Size Guide Visual