CR250 '05 - '07 CRF250R '05 - '25 CRF250X '06 - '17 CRF450L '19 - '25 CRF450R '12 - '25 CRF450X '19 - '25 Reduce the friction dragging down your drivetrain Polyurethane roller with 98A durometer hardness for long life Precision contact sealed bearings keep water and dirt away Ships in 3-5 business days $17.95