Industry Nine Hydra 2 Superboost CL Hub - Rear Collar These springs can be used

These springs can be used with bikes featuring linear or modestly progressive leverage curves that traditionally needed air shocks

For diagrams of Chris King hub parts and a wealth of other information

Tire Compatibility: 40mm to 2

Tubeless compatible [kit required]

Industry Nine Hydra 2 Superboost CL Hub - Rear Collar These springs can be usedCompletely re engineered using insights gleaned from more than 100,000 original Hydra hubs in the field, Hydra2 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. If that wasnt enough, a refined drive ring and an extra tooth on each pawl enable Hydra2 to deliver lightning fast 0. 41 engagement with less coasting drag