Shimano 105 CS-R7100 Cassette (12-Speed)
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.
Compatible with new 12-speed and road 11-speed FREEHUB body
Shimano Series: SHIMANO 105 R7100 Di2 Series
Mfr Claimed Weight