Hub rear D412SB-X12-A4ALS-11S, straight pull, polished anodized black, 28 key hole, Axle alloy 12×142 for thru axle, D:45.9, alloy freehub Shim11 B2-type, w/9-speed spacer 1.8mm, 4xNBK Bearings, black side caps, Novatec logo, OEM
Cassette body type: Shimano HG
Cassette body compatibility: B2
Material: Alloy
Spoke hole count: 28
Colour: Black
Front / Rear: Rear
Axle - Size: 12mm
Brake compatibility: Disc - 6-Bolts
Spacing O.L.D.: 142mm
Spoke type: Straight pull