and high quality. Fine workmanship and perfect style. Easy to install and durable in use. fasten the wheels on the tube, and do not affect the removal and installation of the tube, the folded bike can be pushed on flat ground. High Wear-resistant and excellent durability. Note: If there is a mounting hole under the bottom bracket of the frame, you can install this folding push wheel. If there is no hole, you need to buy a bottom bracket push wheel conversion to use the push wheel Color: Black Material: metal Package Contents: 1 x easy wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.