Shimano XT FH-M8010-B BOOST Rear HubShimano's XT M8010 rear hub is the weapon of choice for hard-nosed cross country racers and rowdy trail riders alike. The XT M8010 Hub accommodates a center lock disc brake design and features an oversized axle for increased torsional stiffness and quick-response power transfer. Additionally, the M8010 rear hub features high quality sealing and angular contact bearings for a long life, as well as smooth, friction-free functionality. The Shimano freehub body features lightning fast engagement and is compatible with Shimano 11-spped cassettes.Shimano XT FH-M8010 Rear Hub Features:Model Number : FH-M8010Series : DEORE XTDisc Rotor Mount : Center Lock DiscAxle Type : 12mm E-ThruOver Locknut : 148mmAxle Length : 148mmAxle Diameter : 12mmContact Sealing : Labyrinth & ContactSpoke Holes : 32H | Shimano XT Fh-M8010-B Boost Rear Hub 12 X 148mm, 32 Hole, Center Lock