Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt XD Black 28H MFPN=110-004-055 Wheels are backed by Race

Wheels are backed by Race Faces 2 year no-fault Carbon Confidence Guarantee

Weight (with plugs and lock tape): 30 grams

Easy installation with video guide available

Centera Rear Shifter

They also work great on SRAM direct mount cranksets

Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt XD Black 28H MFPN=110-004-055 Wheels are backed by RaceCompletely re engineered using insights gleaned from more than 100000 original Hydra hubs in the field Hydra 2 features a newly designed 65% thicker axle larger 6903 bearings with new labyrinth seals and enlarged pawl pockets that ensure bombproof durability under the most demanding conditions. 6 Pawl Hydra 2 Freehub Body provides a groundbreaking 870 P. O. E. Hydra 2 Freehub body engages every . 41 degrees yielding telepathic control Refined drive