costway 18 inch kids bike for 4 8 years old with adjustable saddle anti slip handlebar redOur 18 inch kids bicycle is an ideal riding option for young riders aged 4 8 years old. The 95% pre assembled kids bike can be easily installed for kids to immediately enjoy biking. To fit kids of different height, it's equipped with adjustable height of the seat for kids to find optimal riding position. As for safety, hand brake and coaster brake allow kids to safely maneuver and stop the bike. 2 detachable training wheels help young riders maintain