Sherco Primary Drive Wheel Assembly 4099Sherco Primary Drive Wheel Assembly 4099 Verify this part number with your Sherco Year This is the newer Sherco Clutch Basket that has the machined bearing recess as fitted on the 2012 Cabes to 2016 Factory. It also works as a replacement to fit the older 2001 to 2012 bikes. The basket can get notches worn in to the teeth preventing the clutch from working perfectly. Clutch basket and primary drive gear assembly to fit: Sherco trials bikes from 2001