Description:The disc-specific WH-MT75 Shimano XT 29R Centerlock wheelset is designed to work with Centerlock rotors. The wheels are tubeless compatible, and tires can also be mounted with tubes. Over locknut distance is 100mm in the front, 135mm in the rear. Both the front and rear wheels have labyrinth and contact seals protecting the angular contact bearings. The rear wheel is compatible with nine-speed cassettes, with a 11t minimum cog. The hollow axles are aluminum and come with aluminum-shafted quick release skewers. The hub shell is aluminum and anodized, and it utilizes the Centerlock rotor standard. 6 bolt rotors CAN be used, but require the use of an adaptor.