Shimano 105 CS-R7101-12, 12-Speed, 11-34T

Whether you're sprinting on the flats or climbing steep hills, the 11-34T cassette gives you what you need. It is compatible with SHIMANO's 11- and 12-speed freehub bodies.

• An improved 12-step gear combination provides better maximum power and acceleration in any situation.
• Compatible with our new 12-speed and 11-speed road freehub bodies