Mountain Bike Unit weight: 18.0 kg Product volume: 135.0 cm * 19.0 cm * 72.0 cm Wheel size: 24 inches, 26 inches, 27.5 inches, 29 inches, width 2.125, 2.35 Optional speed: 21 speed, 24 speed, 27 speed, 30 speed, spray paint can be customized logo, spray paint inside paste Rim type: 30-spoke wheel, 40-spoke wheel, three-knife wheel, six-knife wheel, ten-knife wheel Material: high carbon steel Frame structure: folding bike Whether to fold: yes Propulsion method: chain, Brake system: dual disc brakes, Frame type: hard frame Front fork type: spring fork (low gear without damping), Pedal type: ordinary pedal, brake type, front and rear mechanical disc brakes Suitable height: 130-185cm Suitable weight: 鈮?60kg Suitable for the crowd: teenagers and adults Optional configuration: imitation Shimano gearbox, original Shimano gearbox, Shimano front and rear finger dials, original Shimano gears, internal wiring, hydraulic brakes, aluminum alloy spoke wheels, aluminum alloy handlebars Suitable for terrain: mountain, road Tire options: kenda tires, Magis tires Color: yellow, gray, white, red, black, red, blue Tire size: 26 inches*17 inches, 24 inches*17 inches Model: Folding Mountain Bike b11Mountain Bike website:http://www.sgbmountainbike.com/mountain-bike/