Vrooom! Turn your bicycle into a lean, mean, trail riding machine with Turbospoke, the Bicycle Exhaust System. Remember putting baseball cards into the spokes of your bicycle to create motorcycle sounds? Turbospoke takes it to the next level. Use one of the three, specially designed Motocards to get the unique motorcycle sound effect you want. The cards are durable and waterproof for long-lasting, hard-charging fun. The specially designed Turbospoke Exhaust Pipe amplifies the sound creating a realistic motorcycle soundEach set includes the megaphone Exhaust pipe, 3 Waterproof and Super Durable Motocards, Awesome 24 Piece Sticker Pack, universal fitting clamp and all the tools you’ll need; for ages 6+. No Electronics – 100% Pedal Power. No Batteries Required. Easy to assemble, the Turbospoke mounts solidly to almost any bike in less than 5 minutes; the new twist card lock allows you to turn the sound on and off or tune the sound with a simple twist. Fits to All Types of Bike (BMX, Racer, Mountain Bike…). 3 x 2-Stage Motocards, Each One Makes 2 Different Sounds and a megaphone exhaust pipe that really amplifies the sound as you power down the road. The new design allows you to fit Turbospokes to either side of your bike - Twin Pipes - double the looks and double the sound. Totally Universal fitment - fits 100% of 14”+ Bikes. NEW and Improved, the all new Turbospoke Bicycle Exhaust System is louder, stronger, more durable, scratchproof and virtually unbreakable!.Power Source: Battery Powered. Item Dimensions LxWxH: 3.2 x 12.8 x 7.9 inches. Material: Plastic. Brand: Turbospoke. Color: Multi. Date First Available: October 24, 2018. Best Sellers Rank: #24,061 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 1,755 ratings 4.3 out of 5 stars. : B07K1LPBBY. Included Components: ?Exhaust Pipe, Card Cartridge, Card Lock, Fitting Wedge, Motocards x 3, Sticker Roll, Polybag, Cable Ties x 2, Rubber, Instruction Sheet. Style: ?New Updated. Part Number: ?TS004MASS. Manufacturer: ?Toymax. Number of Items: ?13. Material: ?Plastic. Color: ?Multi. Model Name: ?Turbospoke Bicycle Exhaust System V2. Brand Name: ?Turbospoke. Item Dimensions LxWxH: ?3.2 x 12.8 x 7.9 inches. Package Weight: ?0.27 Kilograms. Item Package Dimensions L x W x H: ?12.91 x 7.76 x 3.27 inches.