Head Beyond Mountain Bike, 24 inch wheels, 12 inch frame Frame/Fork: Aluminum 12" frame for both boys and girls and Zoom 425 Aluminum Suspension Fork Wheels/Tires: 24 inch alloy rims with Innova 24 x 2.125 MTB Tires Drivetrain: Shimano Trigger Shifters 3 x 7 (21 Speed) with Shimano TX35 Rear Derailleur Brakes/Cockpit: Promax Aluminum V-Brakes, Aluminum stem and seat post and aluminum handlebar with a WTB Rocket V saddle Includes: Quick Release seatpost clamp, quick release wheels and aluminum kickstand