Easy to assemble. 95% of the bike is assembled, so only 4 steps are needed to install the training wheels, pedals, handlebars and saddle. Save a headache installing the front wheel and brake compared to 85% of bikes. Installation tools and easy to follow instructions are included. Ride Safer. The never bend training wheels are super sturdy and stable due to their Royalbaby patented one-piece triangular structure. The front caliper brake and rear coaster brake provide double insurance to ensure your child's safety. Tires have a great impact on comfort. Royalbaby Wide 2.4-inch pneumatic tires add stability. Full chain guard prevents the chain from trapping or soiling the rider's pant leg or clothing. Steering limiter prevents the handlebars from tipping over, so your little ones won't fall from sharp turns. Easier to ride. Your little ones will enjoy a smoother ride since 2019 with Royalbaby's patented sealed bearing. Royalbaby's exclusive brake lever allows little riders to brake efficiently by shortening the grip dimensions by 10% to match a child's strength. Thoughtfully designed for different children. In 7 bright colors, there is a Royalbaby bike for every child. The water bottle and bell add fun to the ride. The seat is equipped with a handle that makes the bike easier to grip when teaching or loading.