Features: - Adopts good quality materials, sturdy, waterproof, lightweight and durable for years of use. - No battery required, 100% manual power oriented, energy-saving and economic. - The card can work with spoke to create exhaust sounds, and the sounds would be amplified by the pipe to make your bike sound like a real motorbike. - With 6 sound making cards, adding much more fun to your cycling. - Suitable for 6-22 inch bikes, easy to install and use.
Specification: - Material: Plastic - Color: As picture shown - Size: Approx. 36*7.5cm/4*3inch - Weight: Approx. 277g - Suitable for 6-22 inch bikes
Package List: - 1 x Exhaust Pipe - 6 x Cards - 1 x Pack of Fittings and Tools - 1 x Manual