Description
most resilient gem on earth
Basebar Bracket: Easily fits narrow mounting aerobars or wider setups with our Basebar Bracket
including quick release and all sizes of thru-axles
High power
105 CS-R7101 12 Spd. Ultegra Di2 most resilient gem on earthA 12 speed cassette range that brings versatility to any rider or road From sprinting on the flats to climbing steep inclines, the 11 34T cassette has you covered. It is compatible with both SHIMANO 11 speed and 12 speed FREEHUB bodies. FEATURES: Refined 12 step gear combination provides peak efficiency and accelerating performance for every situationCompatible with new 12 speed and road 11 speed FREEHUB body Product Specifications: MODEL NO CS R7101