Turbo Bike Exhaust Bike Spoke Sound Maker Card Kit

Features:
Adopts good quality materials, sturdy, waterproof, lightweight and durable for years of use.
No battery required, 100% manual power oriented, energy saving and economical.
The board can work with spokes to create exhaust sounds, and the sounds would be amplified by the pipe to make your bike sound like a real motorcycle.
With 6 sound maps, adding much more fun to your cycling.
Suitable for 16-22 inch bicycles, easy to install and use.

Specifications:
Material: Plastic
Color: As the picture shown
Size: Approx. 36 * 7.5cm / 14 * 3inch
Weight: approx. 277g
Suitable for 16-22 inch bikes
Package List:
1 x Exhaust Pipe
6 x Cards
1 x Fittings and Tools Pack 1 x Manual