Feature: 1. Superior Durability: Crafted from 8mm thickness steel alloy plate and is galvanized for rustproof, the disc brake wheel hub is robust, isn't easily damaged or crack. 2. Weld Installation: Comes with four pre drilled 8mm stud holes for brake disc fixing, making brake disc mounting simpler and more straightforward. 3. Fitment: Suitable for 25 to 26mm diameter axles, the disc brake wheel hub is a universal fit for diverse karting DIY projects, making it a versatile choice. 4. Dimension: The hole diameter of brake disc hub mount seat is 26mm / 1in. Please carefully check whether the size matches before making a purchase. 5. Improved Performance: Upgrading to this disc brake wheel hub will greatly improve your kart's braking performance, ensuring better and safe ride. Specification: Item Type: Go Kart Disc Brake Wheel Hub Material: Steel alloy galvanizing Hole Diameter: Approx. 26mm / 1in Installation Method: Welding Application: Suitable for 25-26mm diameter axles, weld the transition plate on the axle, then fix the brake disc on the transition plate to complete the installation of the brake disc, ideal for DIY projects of go karts. Package List: 1 x Disc Brake Wheel Hub