Schylling Turbospoke Bicycle Exhaust System & Motocard Refill Pack Deluxe Gift Set Bundle - 2 Pack Gift Set Bundle Includes Schylling's Turbospoke Bicycle Exhaust System & Motocard Refill Pack! Turbospoke, the Bicycle Exhaust System that makes your bike look and sound like a real motorcycle, Vrooooom! Each moto card makes a different sound! Includes 6 Turbospoke moto cards, 15 stickers, Universal fitting clamp and a tool kit! Mounts in less than 5 minutes to the lower chain stay tube. Using durable plastic sound cards and a megaphone exhaust pipe you can really turn up the volume as you power down the road! For Ages 6 and up - Fun for the whole family!