phoenix new children's bicycle 6-15 years old boys and girls students shock absorption variable speed disc brake road mountain bike

space silver variable speed integrated wheel sealed center shaft double disc brake shock absorption pearl white variable speed integrated wheel sealed central shaft damping double disc brake gray black variable speed integrated wheel sealed center shaft double disc brake shock absorption space silver single speed integrated wheel sealed center shaft double disc brake shock absorption pearl white single speed integrated wheel sealed center shaft double disc brake shock absorption gray black single speed integrated wheel sealed center shaft double disc brake shock absorption space silver variable speed spoke wheel seal center shaft double disc brake shock absorption pearl white variable speed spoke wheel seal center shaft shock absorption double disc brake gray black variable speed spoke wheel seal center shaft double disc brake shock absorption space silver single speed spoke wheel seal center shaft double disc brake shock absorption pearl white single speed spoke wheel seal center shaft double disc brake shock absorption gray and black single speed spoke wheel sealed center shaft double disc brake shock absorption

16-inch suitable for 105-120 m 18-inch suitable for 115-135 m 20-inch suitable for 130-150 m 22-inch suitable for 140-165 m