Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt Micro Spline BLK 28H Diameter-29.8mm Compatible with tires up to

Compatible with tires up to 700x50c

Provides 5mm of chainline adjustment

Custom adjustable height pin

6 modes per light - Built-in 24/7 Safety Technology gives you a powerful selection of night and day modes (High - Low - SteadyPulse - Low Flash - DayLightning - Zoom)

Ergonomic finger cutouts for better surface grip

Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt Micro Spline BLK 28H Diameter-29.8mm Compatible with tires up toCompletely 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