Cygolite Dice TL 50 Rechargeable Taillight - 50 Lumens Strap Mount Black MFPN=K13-4500C-31.8-BLK It's compatible with all frames

It's compatible with all frames designed around the SRAM UDH

5mm nipple 7x6mm 100 pcs in box

Primary Color Red Wheel-Tire Size Comp

Misc LENGTH 151MM SPRING TRAVEL (57

A universal grip

Cygolite Dice TL 50 Rechargeable Taillight - 50 Lumens Strap Mount Black MFPN=K13-4500C-31.8-BLK It's compatible with all framesPacked with more power and technology than meets the eye the Cygolite Dice TL 50 tail light is engineered to stand out day and night delivering powerful and extra wide 50 lumen flashes. Engineered for road cyclists and commuters its extra wide beam maximizes your presence from afar while its low profile flexible mount keeps secure on the seat post including aero shapes. It even senses day and night automatically switching to the optimal flash tempo.