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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. 

What People Are Saying

Customer Reviews

Based on 110 reviews
Bruce Mahon
Light works very well.

This light is a good size and has several different flashing options. It was a good choice for me.

Glad that this item is a match for you, Bruce!

Michael M
Great light for safety

This light is fantastic, has several settings and easy to charge via usb. Attached to seat post on my pace 500.2.

Thank you for your feedback! We're glad to hear that this light is great for safety and easy to charge for you! Safe travels, Michael!

Cindy Harvey
Aventon tail light

Awesome tail light, different blinking or steady light for night or day, love it, feel much safer now. Very reasonably priced and easy to attach anywhere.

Hey Cindy, sp glad that this was a match for you! Thanks for the feedback!

Gary Butler
Perfect for application

Look great. Easy install. Super bright. Very happy with this purchase for two separate bikes

Hey Gary, so glad that this worked out for you! Happy trails!

BP Smith
Aventon tail light

Nice & bright, auto shut-off, flashing modes- what's not to like?

Hello Bp,

We are glad this item was a match. Thank you for the review!

-Aventon Support Team