Re: unconventional calfees
08/18/06 12:23 AM (63.249.108.53)
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They're real. We made these two prototypes for an inventor named Rick Perez. The idea is to get some suspension travel out of the rear wheel without sacrificing weight or drivetrain rigidity. As the rear wheel hits a bump, the force is transmitted through the upper chainstays to the seat tube. The seat tube bends forward slightly, like a leaf spring, allowing the wheel to travel about 1 cm vertically. The seat tube bends only about 3 mm for that 1 cm of wheel travel. The bike which has the tubes continuing to the down tube takes a heavier rider to get the 1 cm of travel. That bike has been ridden hard by a big Texan for the past two years. Carbon fiber makes a great spring and does not fatigue. These bikes are amazing to ride and are especially confidence-inspiring on a high speed descent on rough pavement. The rear wheel stays glued to the ground. The comfort and vibration damping are on a level not seen with road bikes. We will be showing this at Interbike and offering suspension as an option in the near future.
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