Cateye Omni 3 TL-LD135 Rear LED Light YGroup_7035277246509 You can use the included

You can use the included 14500 rechargeable battery or run CR123A hard batteries to withstand extreme cold environments

CNC-finished actuation lever for even smoother engagement

SRAM 1x™ X-ACTUATION™ for precise and dependable 11-speed performance

ISEV-ISB - 10g

but know 8 is enough

Cateye Omni 3 TL-LD135 Rear LED Light YGroup_7035277246509 You can use the includedPerfect for those who ride after dark or want extra visibility when they hit the road. The Omni 3 uses an easy to install bracket that securely clamps to the seat post. With a quick release function, your light can be installed or removed within seconds. The Omni 3 features 3 bright red LEDs with different modes for visibility and battery life. When you're out on the road or after dark this light will make you seen! Features: 36 x 75 x 21. 9mm. 41. 6g