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Aventon Tail Light W08-40A


Our Aventon Tail Light offers a fast and convenient way to increase your safety when riding in low conditions. Offering a variety of modes and attention-grabbing flash patterns, you'll always be visible to others. Easily mount it to your seat post with an integral rubber strap, making installation and removal a flash.


  • USB Rechargeable, built-in 680mAh battery
  • Flashing, Steady (solid red), and Daytime Flash modes
  • Power-saving mode: if the light does not detect motion for more than 120 seconds, it will enter sleep mode, then power back on when motion is detected.
  • IPX6 waterproof rating
  • Just 40.6 grams!

Runtime and Lumen Output

  • High Steady: 40 lumens, about 3.5 hours of runtime
  • Medium Steady: 20 lumens, about 5 hours of runtime
  • Low Steady: 5 lumens, about 33 hours of runtime
  • High Flashing: 40 lumens, around 18 hours of runtime
  • Low Flashing: 5 lumens, around 85 hours of runtime
  • Daytime Flash: no lumen output, about 25.5 hours of runtime


Works with Aventon Pace series, Level, Sinch, Aventure, and Soltera ebikes. Also fits most other makes/models of bikes that use a round seatpost. 

Aventon Tail Light W08-40A

What People Are Saying

Customer Reviews

Based on 216 reviews
Mary Taylor
Tail light is a must have!!

It is bright and has a few different modes so glad we have it.

Thank you for the review. We are so glad that this has worked out for you! Happy Riding!

SInch rider
Nice little light

Mounts easily with strap to seat post.
Will be using for each ride. Nice feature that it shuts off when it does not detect movement.

Thank you for the review Joe! We are happy that this item worked out for you, happy riding!

David Myers

Aventon Tail Light W08-40A

Thanks for the review!

Great light

Tail light works great

Awesome, happy trails!

Tom Lopez
Bike rear light

Very nice light. Easy to charge,

Hello, we are so glad that this item is a match. Thank you for the review!