Turn your bicycle into a mean machine with Turbospoke, the Bicycle Exhaust System.
Remember putting baseball cards into the spokes of your bicycle to create motorcycle soundsTurbospoke takes it to the next level. Use one of the three Moto cards to get the unique motorcycle sound 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 motorcycle growl that people will notice. Not for children under 3 yrs.