Only compatible with NEO OS front hubs which use #6804 bearings (20x32x7mm). Neo OS hubs are less common than standard Neo hubs and were made with larger bearings to allow use of 20mm axles for Downhill and Enduro forks.

ZH0775
These are front 20mm SealLock end caps for Neo OS and Neo Ultimate OS hubs. SealLock end caps feature a low-friction U-cup seal that snaps into place and stays secure even when your wheel is removed from your bike. Not compatible with non-OS hubs or Centerlock hubs.

ZH0776
These are front 15mm SealLock end caps for Neo OS and Neo Ultimate OS hubs. SealLock end caps feature a low-friction U-cup seal that snaps into place and stays secure even when your wheel is removed from your bike. Not compatible with non-OS hubs or Centerlock hubs.