Shimano Dura Ace Track Chainring 50T Repair Kit Ergonomic back protector contours to

Ergonomic back protector contours to the natural curve of the back ensuring an optimum fit while riding

you can still easily control your full-suspension bike

250mm in length

Category Urban

Made with POLARTEC®’s highly advanced

Shimano Dura Ace Track Chainring 50T Repair Kit Ergonomic back protector contours toDura Ace 7710 series track racing chainring from Shimano. This model bears the legendary 'Dura Ace' name, and for good reason. Quality is second to none, it is strong, light and is made of anodised aluminium which is durable and looks great. As a track chainring it is intended for use with a fixed gear and cannot be combined. This chainring hasa 144mm bolt circle size and for use with standard 1 2" x 1 8" chains. It can be used with 144 BCD crank sets