Frame:0.8mm carbon arc welding,
power coating, outside-pasted sticker
Stem: powder-coating
Handlebar: BMX, match color
Rim: steel, match color
Bottom bracket: one piece, electroplating
Brake: F/R: Caliper brake/Band brake
Tyre: 2.125″, Tube: 1.75″ butyle
Train cover: plastic full cover
with training wheel and plastic basket