| 摘要 |
The invention relates to a bicycle frame (1) comprising a top tube (3) and a seat tube (2), which is coupled thereto and into which a pillar tube (5) of a seat pillar (4) is inserted in such a way that the height of said pillar tube can be adjusted. The pillar tube (5) comprises a plurality of incorporated position bores (12) arranged in a segment in the longitudinal direction of the pillar tube (5). Furthermore, a locking device (10) is included, said locking device comprising a bolt that can be inserted into one of the position bores (12) under preload and can be extended out of the position bore (12) by applying a tensile force in the opposite direction to the preload direction of the bolt, wherein the locking device (10) is attached to the top tube (3). |
