Wheel: 24"
Speed: 21 speed, SAIGUAN gear set
Frame: steel frame, as picture
Fork: steel suspension fork for front
Rim: magnesium alloy OPC wheel, as picture
Tire: 24"*2.125 black tire
Brake: F/R disc brake
Pedal: plastic
Handlebar: steel
Seat post: steel
Chainwheel & crank: steel