Nythralis Rear Brake Disc Screws for Surron Light Bee X for Segway X160 X260 Lock in Rear Braking Performance：Similar to the front, these screws secure the rear brake disc. Ensuring they are strong and secure is vital for balanced and effective braking. High-Strength Titanium Construction：Built from TC4 Titanium to handle the stresses of rear braking, which often involves locking the wheel under load. Durable Flame-Blue Coating：Resists rust and wear from rear-wheel debris and heat. Full Set of Replacement Bolts：This kit contains all the bolts to attach your rear brake rotor as a complete set. Model Specific Fit：Made to fit the rear brake disc of Surron Light Bee X, Segway X160, and X260. ASIN B0G5PRDY93 Brand Nythralis Item Weight 0.705 ounces Manufacturer Nythralis Package Dimensions 1.97 x 1.97 x 1.26 inches Manufacturer Part Number Nythralis