Manufacturer may substitute components with components of equal or greater performance level Features: Fat tire mountain bike for all-terrain adventures Mongoose youth MTB aluminum fat tire hardtail frame and alloy fork with 135 mm spacing for a strong, stable ride 2 x 8 drivetrain provides a wide gear range for any terrain Mechanical disc brakes provide excellent stopping power in all conditions 24 x 4 inch knobby mountain fat tires provide excellent stopping power and tons of traction in sand and snow Mongoose MTB Kids saddle is comfortable, offering added support for long rides Fits riders ages 8 and up Suggested Rider Height by Size: 4'8" - 5'6" NOTICE: Used Bikes and/or bikes purchased online that have been assembled are non-returnable. We strongly recommend that a professional bicycle mechanic properly assembles, repairs, and maintains the bicycle. Dick's Sporting Goods will provide free in-store assembly service by a certified technician for any bicycle purchased on our website or in our stores (proof of purchase required). If you choose to assemble the bicycle yourself, Dick's Sporting Goods is not responsible for injuries or damages resulting from improper assembly.