Shimano HG41 7 Speed Mountain Bike Cassette 11-28. Shimano HG41 8 Speed Mountain Bike Cassette 11-32. Sram XPLR PG-1231 - Cassette 12 Speed 11-44 - Silver. The last position sprocket and lockring are made of AL7075-T6 Aluminium, giving reduced weight with greater strength.
