Model:20S112
Speed:18SP
Frame: HI-TEN steel suspension frame
Fork:suspension fork
Gear system:Shimano system
Chain wheel&crank:Three-level crank
Tyre:Chaoyang tyre and tube
Brake:Alloy V-brake
Other:alloy stem;KMC chain; straight  handlebar with barend&half alloy brake lever
Color:white/black;black/white;white/red;black/yellow;white/blue;white/green