Shimano XT HB-M8010 Front Hub It's Shimano's XT level front thru-axle hub, what more can you say? Well, the Shimano XT HB-M8010 Front Hub features cone races that are ground by a Cubic Boron Nitride tool for smooth rolling durability, and the 15mm E-thru Axle System which is designed to be durable enough for all-mountain riding yet remain light enough for XC race needs. The Center Lock disc brake design leads to the reliable braking power you want. Build it burly with 32 spokes. Shimano XT HB-M8010 Front Hub Specifications: Front axle: 15mm Thru X 100mm Axle not included Hub drilling: 32 Center to flange: 44mm (right and left) Hub/brake compatibility: Center-Lock Disc Weight: 148 grams | Shimano | Xt Hb-M8010 Front Hub 15X100Mm, 32 Hole, Centerlock