Features: 1.Vehicle Fitment: Rear axle wheel hub is suitable for 7in 8in Wheels Quad Bike Go Kart ATV, and to ensure perfect compatibility. 2.Detailed Introduction: Each rear hub axle has 23T with a 22mm/0.86in axle diameter and each axle comes with 4 heavy duty M10 bolts. 3.Weatherproof Design: Heat treated surface can effectively face wet mud puddles and outdoor environments, giving you a reliable use experience. 4.Durable Structure: Forged of high hardness steel alloy with solid filled interior to ensure overall durability and longevity. 5.Ideal Replacement: High precision and perfect fit to meet your needs, allowing you to directly replace the original damaged one. Specification: Item Type: Rear Axle Wheel Hub Material: Steel alloy Number of Hub Axle Teeth: 23T Axle Diameter: Approx: 22mm/0.86in Application: Suitable for 7in 8in Wheels Quad Bike Go Kart ATV Note: 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.