Shimano SLX FH-M7110-SB Rear Hub The new generation of SLXThe new SLX FH-M7110-SB Rear Hub features easy disc rotor installation using Shimano's Centerlock design, Shimano's new Microspline freehub design which is ready for the company's new 12-speed drivetrains, and 7 degrees of engagement providing faster acceleration which amplifies riding excitement. This hub features 12 x 157mm superboost rear spacing and the wide flange profileallows for the potential to build a wheel with zero dish. The FH-M7110-SB's cup and cone bearing system is durable and long-lasting providing you with a solid performing product for many years. Features Cup and cone bearing system7 degrees of engagement Microspline freehub equipped hub Centerlock disc mount Designed for Shimano 12-speed Wide flange profile allows potential to build wheel with zero dish Shimano Part Number: FH-M7110-SBSpecifications Hub spacing12x157mm Spoke Count28H, 32HSpoke Orientation J-bend Disc Centerlock Freehub Microspline Flange Diameter66. 8/69. 8mm Flange Distance72. 69mm Offset6. 43mm P. C. D. 58/61mm Weight363g | Shimano | Slx Fh-M7130-Sb Rear Hub 12X157Mm Super Boost, 32 Hole, Microspline