TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 28h - 3/8" - Blue BMX 4130 chromoly 3/8 inch axle

4130 chromoly 3/8 inch axle

It has a 7/8" top and will fit some newer BMX bikes

Cup Diameter: 34mm

This is 1 (one) new BlackOps Blade rotor (gyro) for 1-1/8" threadless steer tubes

They have a flush bolt head on them

TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 28h - 3/8" - Blue BMX 4130 chromoly 3/8 inch axleThis set of TNT BMX Derringer Hubs is 28 hole small flange, flip flop, sealed cartridge bearing aluminum hubs. These 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 chromolly 3 8 inch axle aluminum