The Answer BMX Holeshot Pro Cassette hubs feature a 6 pawl driver with 3 catch teeth each to engage every 3 for near-instant engagement.

SPECS:USE: RaceDRIVER: 6 pawl aluminum race driver, Shimano compatibleHUBSHELL: CNC machined aluminum!HOLE COUNT: 36 HoleAXLE: Inner 14mm hollow aluminum axle with 3/8″ (24T) chromoly axle boltsBEARINGS: Japanese sealed bearings throughoutINCLUDES: Front hub, rear hub, and 16T cogWeight: 19.2oz/544.3g (pair)