TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 36h - 3/8" axle - Gold 38t Material: Aluminum

Material: Aluminum

Size: 1-1/4″ (31

31mm wide and will work with 20 x 1

Use: BMX RaceSize: 24inISO: 507mmWall: DoubleDrilling: 36HSide: Machined Sidewall Material: 6061 T6Valve: SVERD: 476

Hub Drilling: 36h

TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 36h - 3/8" axle - Gold 38t Material: AluminumThese are 36 hole, small flange, flip flop, sealed cartridge bearing aluminum hubs. They will work with single speed thread on freewheels that are 13t and larger. The one side is threaded 30mm x 1 and the other side is threaded 1. 37 x 24. The OLD is 100mm front and 110mm rear, and the axles are 3 8". hub shell is manufactured from high quality aircraft quality aluminum sealed bearings 4130 chromoly 3 8 inch axle aluminum locking collars oversized