ENVE has recently redesigned its hubshell chassis from scratch and just announced its Innerdrive system, an all-new, 100% ENVE drive mechanism…

Innerdrive uses a straight-pull hubshell and puts to work oversized proprietary steel ratchets are positioned inboard and over the bearings reducing stress on the axle and bearings while ensuring positive and reliable engagement.

Specs:

100% ENVE designed oversized 42mm ratchet drive system
Longer bearing life
Reduced axle stress = less bearing drag and prolonged bearing life
Drive component retention
Perfect Preload – automatic preload adjustment
Low maintenance & easy serviceability
Weight: Front: 109g | Rear: 217g

See more at ENVE.