SRAM HS2 Rotor Step up your braking power with the new SRAM HS2 Rotors. These rotors feature a new track pattern for increased braking performance, noise reduction and heat dissipation. This rotor is 2mm thick and features recessed spokes with thermal dissipating paint. The HS2 Rotor is available in center lock or 6-bolt configurations and is available in four sizes. Features New brake track pattern for increased pad traction Thicker rotor 2mm thick7% more power Available in 6 bolt and Centerlock Manufacturer's part number: RT-HS-2-A1SPECIFICATIONSDiameter160mm, 180mm, 200mm, 220mm Material Steel Intended Use All-mountain Weight- | Sram | Hs2 Rotor 200Mm Center Lock