Abstract: A shock absorber (1), in particular for bicycles, has a first cylinder (2a) with a fluid chamber (3a) filled with a transmission or damping medium. An outwardly leading piston rod (6) with piston (5a) for receiving the shocks to be dampened is borne axially displaceable in the first cylinder (2a). A second cylinder (2b) that has a fluid chamber (3b) filled with the transmission or damping medium and an air- or gas-filled gas pressure chamber (4b). The fluid chambers (3a, 3b) of the first and second cylinders (2a, 2b) communicate with one another via a communicating channel (7). At least a third cylinder (3c) [sic] with an air- or gas-filled gas pressure chamber (4c) and a fluid chamber (3c) filled with the transmission or damping medium is provided.
Abstract: A switch apparatus (5) for adjusting the compression and/or damping properties of a shock absorber (2) has an operating element (8) that is actuatingly linked to the shock absorber (2) and has at least one control device (6) that is connected to the adjusting elements of the at least one shock absorber (2) to be adjusted. Allocated to the at least one control device (6) is a single, common operating element (8) for selectively or reciprocally adjusting both the compression and the damping properties of the shock absorber or shock absorbers (2). The actuating links between control device (6) and shock absorber (2) and between control device (6) and operating element (8) are each formed by one or a plurality of Bowden cables (7a, 7b) or by one or a plurality of hydraulic or pneumatic line(s) or a mechanism.