Mountain Bike Brake Disc Floating Cooling Rotors 5 Stud 140mm Cycling Accessory

The special design of the stainless steel floating buckle prevents the outer disc from being directly locked with the hub, leaving room for expansion. The outer disc brake is made of high‑quality stainless steel material. Not easy to rust. Reduce brake disc weight, enhance appearance and reduce heat transfer. Conditon: 100% Brand New Item Type: Floating Brake Rotors Outer Disc Material: Stainless Steel  Inner Disc Material: Aluminum Alloy Size: Approx. 140mmCelsius5.5in Optional Color: Black, Blue, Golden, Red, Colorful