Shimano 105 CS-R7101 12 Speed Cassette imp Speed (RD): 12

Speed (RD): 12

This fastener combination allows float on both sides of the collar slot ensuring consistent clamping force

A faster-gripping initial braking force always gives the feeling of full control

Battery: Li-Ion

Shimano 105 CS-R7101 12 Speed Cassette imp Speed (RD): 12A 12 speed cassette range that brings versatility to any rider or road. From sprinting on the flats to climbing steep inclines, the Shimano 105 CS R7101 12 Speed Cassette (11 34T) has you covered, compatible with both Shimano 11 speed and 12 speed freehub bodies. Features For Di2 and mechanical shifting systems Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation Compatible with new 12 speed (HG