Machined to the tightest tolerances.
17 Color: Black Hub/Brake Compatibility: 6-Bolt Disc Cassette Body Type: SRAM XD 11/12 Speed Spoke Interface: J-Bend Center to Flange, Left: 36.9 Flange Diameter, Right: 60 Defined Color: Black Flange Diameter, Left: 60 Rear Axle: 12mm Thru x 148mm All Onyx hubs come standard with ceramic hybrid bearings so there is no need to upgrade. Onyx MTB Rear Hub - 12 x 148mm, 6-Bolt, Black, 32H.17 Color: Black Hub/Brake Compatibility: 6-Bolt Disc Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Spoke Interface: J-Bend Center to Flange, Left: 36.