Installing on your bicycle wheel,on the basis of that rubbing provides power,so that light and other devices can work.
It is super eco-friendly and energy saving.
It can be removed if you do not need to use it.Easy to install with a mount.
Made of metal,it is high intensity and tough. This is an awesome accessory for cycling.ear Light Kit
100% brand new and high quality High quality of materials.
Length: 9cm(3.54 inch )
Width: 9cm(3.54 inch)
Diameter: 5cm(1.97 inch)
Mount: 10cm(3.94 inch)
Quantity: 1 Set
Package includes(without retail package):
1 x Generator
1 x Mount
Your order could arrive within 30 Days, Factors such as delayed logistics and customs clearings may have an impact on the delivery time.