Get a Gift Certificate for a 12" Gyrowheel WNCW Published March 7, 2012 at 11:20 AM EST Facebook Twitter LinkedIn Email Call 1-800-245-8870 to contribute $100 for a gift certificate that covers the cost of a 12" Gyrowheel from Gyrobike, which is a $99 value.Click here for a video on how the Gyrowheel works.