Rowbike By the inventor of rollerblades the Rowbike is supposed to be burning you %50 more calories than an ordinary bike. It even comes in a 4 wheel model for those who still need some practise for bikeing. Price $599 to $1999 Via Swissmiss Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts Energy of a Flywheel. Pretty Impressive! StandDesk – The Evolved Desk We All Need Machine Turns Water into Wine Fabs Chair The Helicopter Bicycle Hankook iFlex Airless Tires are Puncture Proof, Made from 95% Recyclable Materials