TRP R2 Disc Brake Rotor Powerful and Stable Braking Disc brakes are the standard in the bike industry across all genres of bikes. Whether you're on the pavement, riding mixed terrain, or shredding the singletracks, you probably have disc brakes on your bike. The TRP R2 Disc Brake Rotor is a 1-piece 6-bolt rotor that features consistent operating temperatures and built-in wear indicators. They are designed to give powerful and stable braking in all conditions. Features1. 8mm standard thickness for use with Quadiem, Slate, G-Spec DH, G-Spec Quadiem, G-Spec Slate, and select Tektro models High heat dispersion and tolerance and anti-vibrated noise Three individual wear indicators so you'll always know how much rotor you have left SPECIFICATIONSDiameter140, 160, 180, 203mm Material Stainless Steel Rotor With Alloy Carrier Intended Use XC, Trail, Gravity Weight235g (160mm) | Trp | R2 Disc Brake Rotor 180Mm