| 摘要 |
A bicycle shock-absorber is composed of an oil cylinder, a nut, a spring, a cover, and a radiator. The outer thread of the oil cylinder is engaged with the nut and the spring. The radiator is constructed of two corresponding half ring which are united by two bolts passing through at the sides to make the half rings to be affixed firmly around the oil cylinder. The radiator is mounted under the nut so as to cause the nut to resist the pressure of the spring. The radiator has a plurality of blades at intervals which can heat exchange with the air and dissipate heat while the bicycle is moving.
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