CLICK HERE to join our Email List and get 20% off your first order*
*Restrictions Apply. Click for details.
Signin to Your Account
Questions? Call our tri Specialists! 1-800-445-4790
Electronics / Lights / Tail Lights
Click to zoom

Lumasense Rear Light

Mfg PartNum:FP1257U1OS
SALE: $33.19
In Stock Now
Ships Free!
Earn $3.31 in Podium Club credit. Click to Learn More.
This color/size is not eligible for Podium points
Free Shipping on Orders Over $50*

The Fabric USB Rear Light is wired up to an accelerometer that increases its brightness with a decrease in speed. The result is a virtual brake light that alerts traffic and other riders in order to help prevent collisions on the road. It's powered by an integrated USB-rechargeable Li-po battery, and the nylon housing is rated IPX5 waterproof for functionality in any kind of weather.

Includes universal rubber strap / nylon mount and USB charging cable. Dimensions are 23 mm x 23 mm x 74 mm.

Burn times:

  • High / 30 lumens: 8:00 hours
  • Medium: 9:00 hours
  • Flash: 8:00 hours
  • Strobe: 9:00 hours

Mfg PartNum: FP1257U1OS 


Light Type: Rechargeable 

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
Great rear light.
by Kevin
Daily Commuter
Sacramento, CA
1 of 1 customers found this review helpful.

I really like the brightness and the changing flashing based on speed. The one thing I do not like is there is no low battery indicator that I have noticed.

Reviewed 6/27/2018
Was this review useful to you? Yes/No
Thank you for your feedback.
Very visible
by Gon
2 of 3 customers found this review helpful.

Easy to install, very visible even in daylight. Not bulky at all. The brake function works fine.

Reviewed 11/21/2017
Was this review useful to you? Yes/No
Thank you for your feedback.