Industry Nine Hydra 2 Boost 6 Bolt Hub - Rear Color:Red The pawls and pawl springs

The pawls and pawl springs can be removed and serviced with basic hand tools (See Phil Wood Cassette Body Care Instructions)

spoke hole drillings

Chris King Rear Classic & Classic Cross

SRAM XD/ SRAM XDR*

is the best choice for the freewheel application since it is nearly as light as aluminum and has the equivalent strength to many forms of steel

Industry Nine Hydra 2 Boost 6 Bolt Hub - Rear Color:Red The pawls and pawl springsCompletely 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