The Answer BMX Holeshot Expert 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: 28 HoleAXLE: Inner 14mm hollow aluminum axle with 3/8″ (24T) chromoly axle boltsBEARINGS: Japanese sealed bearings throughoutINCLUDES: Front hub, rear hub and 16T cog Weight: 19.2oz/544.3g (pair)