The all new HS2 Rotor is a mountain bike specific rotor designed to improve brake performance while reducing noise and increasing heat dissipation. Featuring a new brake track pattern for increased pad traction and recessed spokes with thermal dissipating paint, the HS2 is a more powerful, quieter rotor with best-in-class heat management.Features:Thicker 2.00mm rotorSuperior heat management7% more powerAvailable in 6 bolt and CenterlockMTB specificSpecifications:Diam (Rotor) 160mm, 180mm, 200mm, 220mmHub interface 6-bolt, Center LockBolt material (RT) n/a, SteelRotor Type HS2, HS2 CenterlockRec Lockring Lockring sold separately, n/a