An improved braking system of the caliper type uses only a single hand lever. The operation of one of the caliper type brakes by use of the hand lever in conjunction with the inertia of the vehicle provides energy to supply power for the braking effort to the other caliper brake on the other wheel. This...http://www.google.es/patents/USRE29404?utm_source=gb-gplus-sharePatente USRE29404 - Braking system