For Shimano 8/9/10/11/12 Speed Freewheel Bike Cassette MTB Road Bicycle Sprocket
Compatible: SHIMANO, SRAM. Gear: 8-speed / 9-speed / 10-speed / 11-speed / 12-speed (you can choose the gear you want). Specification: 8/9/10/11/12 speed. We will do our best to help you solve any problem with good service.