| 摘要 |
A handlebar height adjustment assembly for a bicycle for use with a bicycle having a vertically presented head tube, a stem, and with handlebars engaged to said stem comprising a vertically presented stem tube engaged to the upper portion of the stem and projecting downwardly into a head tube for axially reciprocal shiftable movement relative to the head tube. The stem contains a passage communicating with the interior of the stem tube, with there being a control rod extending downwardly through the stem passage and into the stem tube. A fork tube surrounds the stem tube and is fixed against relative rotative movement with respect to the stem tube; a latch member interengages the control rod and the stem tube for joint shiftable movement thereof and with the latch member being selectively engageable with the fork tube through shifting of the control rod for presenting and maintaining the handlebars in predetermined vertical relationship with respect to the head tube.
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