The underwater bike also known as a sea bike peddle underwater like you would on a normal bike it may be hard work but you get twice the exercise and twice the speed in the water. This is related...

This new invention made by Bridgestone, features tires that never go flat. The tires have thermoplastic resin spokes which help absorb the weight of the rider and road shocks. This is extremely efficient...

Bridgestone has recently introduced the Airless Bike. This bike has tires that aren't like any other bikes. These tires have thermoplastic resin spokes that that switch shape when the bike moves. That...

Bicycle Frame For a bicycle to carry an average fully grown adult (130-180lbs),  the bicycle needs to be sturdy.  The bicycle needs to be able to support someone on top of it without snapping or breaking. ...