These are a OEM spec Mavic XM 317 Disc Wheelset W/ Shimano XT Center Lock Hubs. They use a Mavic XM317 rim, DT Swiss spokes with a Shimano XT Center Lock hub for Shimano Center Lock disc brakes with 180mm front rotor and 160mm rear for enhanced braking response! These are OEM packaged and are Shimano Specific. Excellent All Mountain wheelset!
Mavic Tire Development