Shimano XT FH-M8110-BS Front Hub The new generation of XTThe new XT FH-M8110-BS Front Hub features easy disc rotor installation using Shimano's Centerlock design and a cup and cone bearing system is durable and long-lasting providing you with a solid performing product for many years. This hub features 15 x 110mm boost front spacing and the wide flange profileallows for the potential to build a wheel with zero dish. Features Cup and cone bearing system Wide flange profile allows potential to build wheel with zero dish Centerlock disc mount Boost and non-boost spacing available Shimano Part Number: FH-M8110-BSSpecifications Hub spacing15x110mm (boost)Spoke Count28HSpoke Orientation Straight-pull Disc Centerlock Flange Diameter51mm Flange Distance62. 8mm Offset3. 7mm P. C. D. 45/45mm Weight159g | Shimano | Xt Fh-M8110-Bs Front Hub 15X110Mm, 28 Hole, Straight Pull