?STURDY FRAME?This all-terrain mountain bike uses carbon steel frame and internal buried brake cables, which can greatly improve ride safety. ?Great Braking System?Disc brakes allow for more precise and controlled, are more effective than rim brakes, help to keep safer when riding at high speeds, down slopes and in wet conditions. ?Wider Tires? 20 x 2.8 inch knobby mountain fat tires provide excellent stopping power and tons of traction in sand and snow. This kids bike with soft seat offers more comfort in riding. Kickstand is included. ?Advanced Gear? High-quality TY200D rear derailleur and handle shifters make gear changes smoother and easier. Fat tire bikes are more focused on simplicity and comfort. ?Assembly&Size Guide?85% pre-assembled, tools included. If you have any questions about bikes, Please do not hesitate to contact us. The 24-inch bike fits 51"-65" tall kids for age 8-15.