| 摘要 |
A spring system, in particular for bicycles with a first spring and a second spring and a load-applying portion located to act therebetween. Between the first spring and the second spring a piston is located which is movably accommodated at a housing element. The housing element is made of a fibrous composite material and includes an inner wall. The first spring is a pneumatic spring and the inner wall of the housing element is the bearing surface of the piston.
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