Bike Exhaust Sound System, Loud Engine Noise Simulating for Safety, Bicycle Horn System for Commuters, Mountain Bikers, Urban Cyclists

Specification:Features:Adopts good quality materials, sturdy, , lightweight and for years of use. No battery required, manual power oriented, energy-saving and economic. The card can work with spoke to create sounds, and the sounds would be amplified by the pipe to make your sound like a real motorbike. With 6 sound making cards, adding much more fun to your cycling. Suitable for 16-22 inch bikes, easy to install and use.Specification:Material: PlasticColor: As picture shownSize: Approx. 35.5*7.5cm/14*3inchWeight: Approx. 258gSuitable for 16-22 inch bikesPackage List:1 x Pipe6 x Cards1 x Pack of Fittings and Tools

• ?ECONOMIC DESIGN:No battery required, manual power oriented, energy-saving and economic.
• ?FIT FOR:Suitable for 16-22 inch bikes, easy to install and use.
• ?MOTORCYCLE SOUND: The card can work with spoke to create exhaust sounds, and the sounds would be amplified by the pipe to make your sound like a real motorbike.
• ?MORE FUN:With 6 sound making cards, adding much more fun to your cycling.
• ?EASY INSTALLTION:The exhaust pipe attaches to the rear frame of the with a mounting bracket.