Serfas UTLA-7 Thunder Blast Tail Light (40 Lumens) Color:Red 30% of the fibers are

30% of the fibers are Cordura

Torex sleeves provide soothing long lasting surround-the-limb relief

Softer and more comfortable than tubing

periodization

Chamfered tips for a perfect fit

Serfas UTLA-7 Thunder Blast Tail Light (40 Lumens) Color:Red 30% of the fibers areThe Serfas BLAST Audible Warning System emits a loud 85 Decibel signal when your light battery gets under 10 minute runtime in that specific mode. How It Works When the battery reaches 10 minutes of runtime, in its current mode, the light will emit a long beep followed immediately by a short beep. Sound will continue every minute. When the power button is pressed it will put the light in the next longest running mode & it will restart the battery low