Planet bike Spok 50 USB Combo Light Set Color:Red - Black This form reduces stress on

This form reduces stress on the chain which ascends more easily onto the higher diameter sprockets

Serfas BAT-ADT True Series Li-Ion Battery

high carbon tool steel is used on each tool to ensure long life

Caliper Material: Durable

For use with 10 speed Campagnolo or Shimano

Planet bike Spok 50 USB Combo Light Set Color:Red - Black This form reduces stress onPlanet bike Spok 50 USB Combo Light Set This is the "Next Generation" of Planet Bike's compact and versatile fast mounting bike lights. Powered up with lithium polymer rechargeable batteries and featuring Steady, Superflash and Courtesy modes. The flexible mounting system secures the lights to your helmet, bars, seat post and a ton of other places to help keep you illuminated. High output surface mounted LED provides steady, Courtesy and Superflash