Shimano Tiagra Bottom Bracket RS501 Handlebars RideSense integrated data transmitter and

RideSense integrated data transmitter and smart-mount rack and fender system lets you customize the bike for fitness riding

but the thermal fabric adds just that bit of comfort to your ride in mildly cold conditions

Knock Block

Your handlebar stem can change the behaviour of your bike completely

A light and refined 500 Series OCLV Carbon frame with road-smoothing rear IsoSpeed

Shimano Tiagra Bottom Bracket RS501 Handlebars RideSense integrated data transmitter andSHIMANO TIAGRA Threaded Bottom Bracket 68 70 mm shell width BB RS500 SHIMANO TIAGRA Bottom Bracket Threaded HOLLOWTECH II 68 70 mm shell width The SHIMANO TIAGRA bottom bracket uses a new seal construction for long lasting performance.