Shimano Dura-Ace FC-R9100 Crankset 11 Speed 175mm 53/39T model-tarmacdiscpro 8mm Clamp 130mm -17 Degree

8mm Clamp 130mm -17 Degree Black

Specialized Sirrus Comp Carbon Medium Bike - 2017

Wahoo Fitness sensors measure crucial cycling data and wirelessly send it to smartphones and GPS devices

That’s in large part thanks to the unibody shell construction that POC has borrowed from the Octal road helmet

Shimano Dura-Ace FC-R9100 Crankset 11 Speed 175mm 53/39T model-tarmacdiscpro 8mm Clamp 130mm -17 DegreeThe choice of the world's best climbers, sprinters, and time trialists, the DURA ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options.