Shimano 105 R7101 11-34T 12s

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.

Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation. Compatible with new 12-speed and road 11-speed FREEHUB body

Series: SHIMANO 105 R7100 Di2 Series, Type HG, 361g

Shimano HG Spline L2, Steel gears 12s, 11-34T (11-12-13-14-15-17-19-21-24-27-30-34T)