Model:20B515-D 
Speed:1-sp 
Frame： 20"steel
Fork： 20"steel
Handel bar: steel ED
Handel stem: Steel+Alloy, ED
Rims: one-pc color rim, cinquefoil design
Tire & tubes 20"x3.0,black
Brakes: F/R Disk brakes
Chain: KMC
Pedals: alloy,w/balls
Saddle: two-tone color