Shimano Deore FH-M618/M615/M525A/T610 Rear HubsDouble contact sealingSuper polished bearing races for low friction rollingItem Specifications 10 Speed 10 SpeedCenter to Flange, 9, Left61Weight512 gHub Drilling32Bearing TypeLoose BallHub/Brake Compatibility6-Bolt DiscCassette Body Type20.5Center to Flange, Right61Flange Diameter,Spoke InterfaceJ-BendSkewer IncludedYesDefined ColorBlackRear AxleQR x 135mmColorBlackFlange DiameterFlange Diameter