https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Inflate-A-Bicycle-Tyre.mp4
如何给自行车轮胎充气？
https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Change-A-Bicycle-Inner-Tube.mp4
如何更换自行车内胎？
https://www.ibombo.cn/wp-content/uploads/2025/12/VBRAKE-Adjustment.mp4
V型刹车调整
https://www.ibombo.cn/wp-content/uploads/2025/12/Nexus-Brake-Adjustment.mp4
Nexus刹车调整
https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Adjust-Your-Front-Derailleur.mp4
如何调整前拨链器？
https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Adjust-Your-Rear-Derailleur.mp4
如何调整后拨链器？
https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Change-Pedals-Remove-And-Replace-Your-Bicycle-Pedals.mp4
踏板的安装和拆卸
https://www.ibombo.cn/wp-content/uploads/2025/12/How-To-Remove-And-Replace-Your-Rear-Wheel.mp4