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ZERO GRAVITY BRAKESZero Gravity's patented cam system creates a dynamic mechanical
advantage, providing extreme power without compromising caliper arm
travel. Prior to the Zero Gravity Power-Cam, it was accepted that an
increase in leverage for a braking system would come at the expense of
added mass and reduced travel of the caliper arms. The mechanical
advantage of the Power-Cam increases as travel rate diminishes. On
initial pull, Zero G brakes provide a high rate of travel at a reduced
mechanical advantage to rapidly close the gap between the pads and the
rim. As the brake lever is pulled further and contact is made with the
rim, the cam begins to trade high rate of travel for high mechanical
advantage. This allows for powerful, precision braking and avoids a
dead spot; a condition experienced by other braking systems in which
flex in the system prevents a portion of the pull from continuing to
feed power. This dynamic quality of the Zero Gravity Power-Cam system
allows for the most powerful and precise braking system available.
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