The superlight, all-rounder 20 inch children's bike for riders aged six and up with disc brakes, 7 gears and all-terrain tires. Age: 6 - 8 years. Height: 45 - 51inches Top features: - child-specific geometry - disc brakes - all-terrain tires - 7 gears - ergonomic saddle - ergonomic grips - quick-release seatpost clamp - adjustable stem