Industry Nine Rear Hub Bearing Kit Hydra 6-Bolt HG/XD Model=5500 Bottom Bracket WTBs proprietary 4D spoke drilling

WTBs proprietary 4D spoke drilling prevents binding and lateral loading of the spokes while the spoke bed itself has been updated to provide a more compatible interface between the spoke and rim

Heel cups help stabilize your feet and ankles

Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 40 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black

}Muc-Off V2 Tubeless Valve Kit - Blue 44mm Pair

}Shimano Ultegra FC-R8000 Left Crank Arm - 165mm

Industry Nine Rear Hub Bearing Kit Hydra 6-Bolt HG/XD Model=5500 Bottom Bracket WTBs proprietary 4D spoke drillingHydra MTN 6 bolt mountain and fat bike rear hub replacement bearings. Not compatible with single speed hubs. Compatible with Hydra 6 bolt mountain rear hubshells HG XD drivers Includes: 1 61804 steel bearing, 1 15307A5 steel bearing, 1 152610A3C3 steel bearing, 1 15267A5 steel bearing TECH SPECS Material Steel