Patent ID: 7140627

Claim:
A front-wheel suspension system for the guidance and springing of the front wheel of wheeled vehicles having a single front wheel, such as bicycles, tricycles and motorcycles, said suspension system comprising: a frame supported on the vehicle wheels, the frame providing a fixed front suspension point and a fixed steering point; a swingable arm operatively connected at one end to the fixed front suspension point and providing a variable second steering point at the other end of the arm; the fixed steering point and the second steering point defining the steering axis; a fork operatively combined with the frame and having at least one fork leg for connection to the front wheel of the vehicle, the fork having a longitudinal axis; a first fork joint operatively connecting the fork to the fixed steering point; and a second fork joint spaced from the first fork joint along the longitudinal axis of the fork, the second fork joint operatively connecting the fork to the frame at the second steering point provided by the swingable arm; the second fork joint connected to the swingable arm being adjustably movable along the axis of the fork to thereby change the angle of the steering axis relative to the frame.