| 摘要 |
A seat adjusting module suitable to connect the saddle including at least a seat rail and a seat tube of a bicycle is provided, wherein the module includes a base assembled to an end of the seat tube, a clamp unit including two clamp elements and a fastening unit including two fasteners. The first clamp element has at least a first clamp portion and a shaft portion matched to the base at a first or a second position so as to rotate relatively to the base on a first or a second rotation axis. The second clamp element has at least a second clamp portion, which with the first clamp portion together clamps the seat rail. The two fasteners together fasten the two clamp elements to the base so that the first and second clamp portions together clamp tightly the seat rail.
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