Frame:20″ steel,T/T:34.9mm,D/T:38.1mm, S/T:28.6mm Fork:steel,28.6mm Head parts:Steel Handle bar: Alloy B.B. Parts:Steel and three pieces crank, cotterless Brake:Rear coaster brake Tire:Air tire,20*2.125 Rim:Alloy,28H

Frame:20″ steel,T/T:34.9mm,D/T:38.1mm, S/T:28.6mm

Fork:steel,28.6mm

Head parts:Steel

Handle bar: Alloy

B.B. Parts:Steel and three pieces crank, cotterless

Brake:Rear coaster brake

Tire:Air tire,20*2.125

Rim:Alloy,28H