Front 9mm QR SealLock end caps for Neo and Neo Ultimate 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. Fits both the standard 100mm and Boost 110 Neo hubs. These are also available in a kit with a 100mm lever, item number ZH0768. Not compatible with OS or Centerlock hubs.