children's bicycle boys and girls adult middle and big children primary school students 6-8-10-12-15 years old variable speed new mountain bike

shock absorption double disc brake [single speed] light pink + standard shock absorption double disc brake [single speed] white orange + standard shock-absorbing dual disc brakes [single speed] black and red + standard model shock-absorbing dual disc brakes [single speed] black and blue + standard model shock absorption double disc brake [single speed] black green + standard shock-absorbing dual disc brakes [single speed] light pink + deluxe model shock absorption double disc brake [single speed] white orange + luxury shock absorption double disc brake [single speed] black red + luxury shock-absorbing dual disc brakes [single speed] black and blue + deluxe model shock absorption double disc brake [single speed] black green + luxury shock absorption double disc brake [single speed] light pink + high configuration shock absorption double disc brake [single speed] white orange + high configuration shock-absorbing dual disc brakes [single speed] black and red + high-spec model shock-absorbing dual disc brakes [single speed] black and blue + high-spec model shock-absorbing dual disc brakes [single speed] black and green + high-spec model shock-absorbing dual disc brakes [variable speed] light pink + standard model shock-absorbing dual disc brakes [variable speed] white and orange + standard model shock-absorbing dual disc brakes [variable speed] black and red + standard model shock-absorbing dual disc brakes [variable speed] black and blue + standard model shock-absorbing dual disc brakes [variable speed] black and green + standard model shock-absorbing dual disc brakes [variable speed] light pink + deluxe model shock absorption double disc brake [variable speed] white orange + luxury shock-absorbing dual disc brakes [variable speed] black and red + deluxe model shock-absorbing dual disc brakes [variable speed] black and blue + deluxe model shock-absorbing dual disc brakes [variable speed] black and green + deluxe model shock-absorbing dual disc brakes [variable speed] light pink + high-spec model shock-absorbing dual disc brakes [variable speed] white and orange + high-spec model shock-absorbing dual disc brakes [variable speed] black and red + high-spec model shock absorption double disc brake [speed change] black blue + high configuration shock absorption double disc brake [speed change] black green + high configuration [magnesium alloy integrated wheel] light pink + variable speed high configuration [magnesium alloy integrated wheel] white and orange + variable speed high configuration [magnesium alloy integrated wheel] black and blue + variable speed high configuration [magnesium alloy integrated wheel] black red + variable speed high configuration

18 inches [suitable for heights 115–130 cm] 20-inch [suitable for heights 125–140 cm] 22 inches [suitable for height 140-155cm]] 24-inch [suitable for heights 150–170 cm]