No need to modify wires, it can be directly mounted on the steel wire of the wheel.
Support multiple lights on one wheel.
Switch design, with 3 lighting modes (normally on, flashing, quick flashing)
Both sides are bright, greatly improving traffic safety.
Good waterproof performance.

Material: ABS plastic
Size: 125 x 38 x 10mm
Application: for Fixed Gear/ mountain bikes/ electrical bikes/ road bikes/ folding bikes/ motorbikes.

What's in the box
4 x Sport Bike Multi Colour Wheel Spoke Light