Royalbaby 12 inch Kid's Bike, Boy's Bike, Girl's Bike Balance Bike, Running Bike, Push Bike, No Pedal Bike Frame/Fork: Steel Monotube frame and fork available in Blue, Red, Green or Pink Wheels/Tires: 12 inch Steel Rims with Smooth Rolling Pneumatic Tires Drivetrain: Balance bike allows for child to learn to ride without pedaling Brakes/Cockpit: Foot brake with comfortable padded saddle, soft grips with oversized caps and a t-handlebar, Seat ranges from 14.5 inches - 16 inches Extras: Comes with a quick release for fast adjustments