YJIAkid Single Speed Bicycle Thickened Flash Silent Training Wheel, Suitable for 12 14 16 18 20 inch Bicycle (Blue cc)Diameter 45inch, thickness 18inch Unable to install variable speed bicycle More durable, suitable for 12 1416 1820 childrens bicycles Function: These heavy-duty rear training wh..
YJIAkid Single Speed Bicycle Thickened Flash Silent Training Wheel, Suitable for 12 14 16 18 20 inch Bicycle (Blue cc)Diameter 45inch, thickness 18inch Unable to install variable speed bicycle More durable, suitable for 12 1416 1820 childrens bicycles Function: These heavy-duty rear training wh..