Frame: high carbon steel Handlebar - iron swallow handle, hexagon aluminum bar aluminum alloy Front fork - 5 pieces with hexagonal tines Hytteknik plastic spray Decals external decals Rim, Aluminum alloy double rim. 45 # spokes Tire - 2.125 Inner tube - natural rubber, extended mouth Axial - 3s Brake -- Front clamping brake and rear clamping brake Cold forged crank part Foot - plastic free bead, with reflector Seat - thickened high ball Package size: 20 inch 109*22*51cm
Size guide
12 inches: approx. 90 – 105 cm 3 – 4 years
14 inches: approx. 95 – 105 cm 4 – 5 years
16 inches: about 105 – 115 cm    4 – 6 years
20 inches: approx. 115 - 125 cm 6 - 8 years
24 inches: about 125 - 140 cm 7 - 11 years
26 inches: approx. 140 cm -11 years
 
Packing size: 18 inches 102*48*21cm
20 inches 109*22*51cm
22 inch 117*57*23cm