Kaseta Sunrace Mz90 SCSMZ90WA5BOXM

12-Speed cassette that fits regular Shimano/Sram freehubs for 10/11 speed. As it fits on regular cassette holsters, it is ideal for those who wants to upgrade their driveline for 12-steed, as you can do this without changing the body/cassetteholsters or wheel for Srams XD system. Can be used with 12 speed groups and components from Sram and Shimano... więcejs 12-speed series. Model: CSMZ90. Comes with locking ring. the two biggest chain rings are from CNC cut aluminium, the rest is in steel.