Shimano BB-7710 Bottom Bracket 68X109.5MM Dura-ace Track 10-16 Biodegradable & Eco-Friendly – Safe

Biodegradable & Eco-Friendly – Safe for the environment

Stay cool all day thanks to a combination of TruDri fabric to move sweat away from your body

and USB extension

Brake Caliper:

Valve Head: AutoHead

Shimano BB-7710 Bottom Bracket 68X109.5MM Dura-ace Track 10-16 Biodegradable & Eco-Friendly – SafeDesigned specifically for use on the track, the Dura Ace 7710 series bottom bracket takes Shimano's engineering expertise to the velodrome. Using Shimano's Octalink splined interface to maximise power transfer, the BB 7710 is optimised for use with Shimano's Dura Ace track series components. Dura Ace Track 7710 Series . Track cycling specific design . 8 splined Octalink interface . Threaded bottom bracket . Size: 68x109. 5mm . Weight: 245g