105 CS-R7101 12 Spd. Calipers Compatible with most 512 speed

Compatible with most 512 speed cassettes and freewheels

A great choice for riding on the hottest summer days

Safely eliminates drive chain contaminants

Padding: 15-Series Foam and Gel

Wilson's Tour Collection encompasses sharp design

105 CS-R7101 12 Spd. Calipers Compatible with most 512 speedA 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