| 摘要 |
A lightweight rear-wheel suspension for a bicycle which includes a triangulated main frame, a rear wheel support frame such as a rear fork rotatably supporting a rear wheel and mounted to the main frame so that it pivots about the foot crank rotational axis, providing upward and downward movement relative to the main frame, a spring-loaded hydraulic shock absorber for damping the relative movement of the rear wheel, said shock absorber having its outer housing incorporated as a rigid structural element of said triangulated main frame, its sliding piston assembly connected to said rear wheel support frame via a linkage system which converts the arcuate motion of said rear wheel support frame into linear motion in line with the linear motion of said sliding piston assembly, and incorporating a rider-controlled valve for hydraulically locking and unlocking said shock absorber, allowing the rear suspension to function both in a suspended mode and a rigid mode.
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