Comes with a dual brake system: a hand brake and rear coaster brake. 2 removable training wheels are included for kids to keep balance (except 20-inch bikes). Adjustable seat and adjustable handlebar fit kids of different ages and heights. Quick release lever to adjust or fix the seat height. Pre-assembled design for effortless installation. Additional ribbons make it an ideal gift option. Front reflector and rear reflector for excellent security. Non-slip pedals and ergonomic seat for effortless and cozy riding. Fun bell and anti-slip grip bring more fun and security. Anti-slip rubber tires feature 5 layers: rubber outer buffer layer cord ply inner tube protective layer. The kickstand to help kids park (Only for 18/20-inch Bikes). Astm/ Cpsia compliant for safe riding. The solid frame for great strength and sturdiness. Suitable for wood floors brick roads asphalt roads or cement roads Installation guide.