A quality mountain bike does help growing boys and girls get closer to nature . and make them healthier and stronger. This bike is specially designed for teens . the 24 inch wheels are lighter for better handling . and are wrapped with 2.1 inch wide offroad MTB tires for more traction and better grip . allowing sure-footed and stable riding. The mountain bike with disc brakes will guarantee safe deceleration and emergency stop . the front suspension fork absorbs bumps when passing rough roads. This mountain bike is equipped with a classic 21-speed shift . speed regulation is comparable to professional mountain bikes for adults. The 24″ Bicycle arrives 85% assembled and includes all parts with tools . you will easily fully assemble it. Ergonomic design and complete 21 speed mountain bike configuration help your child conquer the outdoors. Become the best partner for exploration.