Item Type: Stud Rear Wheel Axle Hub Material: Steel Alloy Teeth: 24T Shaft Aperture: Approx: 22mm/0.86in Stud: M10x4 Applicable Models: Fit for 110cc 125cc 150cc 250cc Quad Dirt Bike ATV Go Kart Package List 1 x Stud Rear Wheel Axle Hub 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Application: Rear wheel hub is fit for 110cc 125cc 150cc 250cc Quad Dirt Bike ATV Go Kart, providing better performance for your model. 2Function: Stud rear wheel axle hub can ensure vehicle stability, effectively improve the driving performance of the vehicle. 3Precise Design: Comes with 4 M10 screws, 22T and 22mm/0.86in shaft diameter, excellent craftsmanship and high precision. 4Rust Proof: High hardness steel alloy material with black paint coating to ensure rust resistance, durable and long service life. 5Professional Manufacturing: Improved design, produced under strict control conditions and to achieve stable performance.