THE ORIGINAL Radical Pedal Motor - Patent Pending Technology invented to create a novel solution to "bicycle boredom". Get out from in front of the TV and get into some real racing action with your friends. Pretend you are your favorite racer! No batteries required and simple to install makes this toy a perfect gift for everyone who is action racing minded.

Kids absolutely love it! Personalize your selected color combination with your own number sticker kit. Create your customized Radical Pedal Motor - RPM-BIKE! Go racing with your friends!

Hey parents - NO BATTERIES! NO TOOLS!! NO WORRIES!!! JUST FUN!!!!

Disclaimer: RPM-BIKE is not a real motor and only simulates the sound of a motor. RPM-BIKE is to be used in closed course environments and not for public street use. Always wear a helmet and safety gear. Never operate around other motorized vehicles of any type and always to a pre-ride check of the status of your own equipment before riding.

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Your Radical Pedal Motor comes with this really cool drop shadowed customizing number sticker kit too. Choose the number of your favorite racer or create your own!

RPM-BIKE (Radical Pedal Motor) works by RPM's compliant "motor" element tapping the spokes of your wheel at speed. The faster you pedal, the louder it gets. Your friends will think you have put an engine on your bicycle!

Designed to fit most bicycles from 16" up 20 26" wheel sizes and will fit bicycles with gears.