Single weight: 12kg
Material: high carbon steel
Wheel size: 20 inches, 24 inches, 26 inches, 27.5 inches, 29 inches, width 2.125, 2.35
Optional speed: 21 speed, 24 speed, 27 speed, 30 speed
Rim type: three-axle wheel, spoke wheel
Spray paint: customizable logo, spray paint inside
Frame structure: complete vehicle
Folded or not: No
Propulsion method: chain
Brake system: dual disc brakes
Frame type: hard frame
Front fork type: spring fork (low gear without damping)
http://www.sgbmountainbike.com/children-s-bicycle/