Mountain Bike for Girls and Boys Mountain 24 Unit shimano 7-Speed bike

Aluminum alloy frame: High strength, Reinforced More durable , lightweight ; 7 speed shimano shifter and rear derailleur,Make gear changes easy and smooth; Suspension Fornt fork: Suspension fork soak up bumps and thumps to provide you a durable riding experience; Double Disc brake: Front and rear disc brakes Sensitive braking system; Mountain Bike saddle:Comfortable Saddle Let you enjoy the joy of riding;