Frame: steel frame
Fork: 20 "x31.8 BMX front fork
Headset: 1-1/8 inch
Chain wheel: 32teeth
Crank arm: length 165 mm
Freewheel:14T
Tyres: 20*2.40
Tubes: 20*2.125 A/V
Pedals: 9/16 inch axle
Delivery condition: 85 % pre-assembled
Box contents: 1 bicycle with accessories (reflectors, pedals,tools,user manual)