TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 36h - 3/8" axle - Oil Slick 27.2mm This makes assembly incredibly easy

This makes assembly incredibly easy - just bolt it on and go

The Sinz Expert ISIS cranks are designed to be used with an ISIS bottom bracket (113mm is recommended - not included) and 110mm rings (34T or larger only)

Color: All Black

This rim will work with 20 x 1-1/8 or 1-3/8 (451mm) tires only

TNT Derringer Sealed BMX Flip/Flop Freewheel Hubset - 36h - 3/8" axle - Oil Slick 27.2mm This makes assembly incredibly easyThese 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