Classic Flyer by Kettler Kid's Retro Bike, 12-Inch Sturdy "retro" designed powder coated steel frame and Hi-Ten powder coated steel fork; Tough 12 x 1.75 alloy rims with puncture resistant 12 x 2.1 Kenda MTB black tires; chrome plated fenders Durable 1-piece chrome plated steel crank; rear coaster brake Fully adjustable padded saddle with chrome plated seat post and quick-release collar Slip resistant training wheels that are adjustable and removable