ATV Thumb Throttle & Parts. 19"x2.15" CNC Rear Wheel Rim Hub for Honda CRF250R CR450R CRF250X CR450X 02-13. Dirt Bike Lever. ATV Parking Brake Block. MX Bike Supermoto. Precision-crafted hub using 6061 T-6 aluminum through CNC machining, ensuring structural integrity and durability.