105 CS-R7101 12-Speed Cassette Size:11-34T It even makes quick work

It even makes quick work of hard-to-cut shift-cable housing

6mm diameter fits Shimano

Its Targeted Airflow Pattern mirrors the shape and position of a cyclist's body while riding

Add one of their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing

The long jaws and handle provide ample leverage for the most stubborn lockrings

105 CS-R7101 12-Speed Cassette Size:11-34T It even makes quick workA 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.