20" (451mm) Alienation Ankle Biter Sealed Cartridge Flip/Flop Mini/Junior BMX Wheelset - Pair - Red Clear It works with 4-bolt

It works with 4-bolt

The Verde Branch 1-piece seat/post combo features a padded vinyl top with a 3D embossed branch pattern and a 130mm long alloy post

This is one  (1) 18 x 1-3/8 Turn 3 Racing Micro Mini BMX race tire

British thread

Rim Height: 15

20" (451mm) Alienation Ankle Biter Sealed Cartridge Flip/Flop Mini/Junior BMX Wheelset - Pair - Red Clear It works with 4-boltThis is a 20 x 1 1 8 (451mm) wheelset (one front and one rear). The rims are Alienation Ankle Biter double wall rims featuring shot peened, anodized finish and machined sidewalls. The 28H hubs are black sealed cartridge with 3 8 axles front & rear; the rear hub is a flip flop which will work with most any 13t or larger freewheel (not included). The spokes are Sapim black stainless spokes with black brass nipples. These will accept 20 x 1, 1 1 8 and 1