Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt Micro Spline BLK 28H Diameter-29.8mm }SRAM 900 Rear Hub -

}SRAM 900 Rear Hub - 12 x 148mm 6-Bolt HG 11 Road Black 28H

Provides 5mm of chainline adjustment

Custom adjustable height pin

Multi-step surface treatment process and special heat treatment for the lightest

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Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt Micro Spline BLK 28H Diameter-29.8mm }SRAM 900 Rear Hub -Completely 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