Fastening saddle to bicycle frame - involves positioner unit with securing element and stop element to secure seat pillar movably

摘要

The device has a seat pillar (4), which supports the saddle (3), and is axially and telescopically inserted into the open seat tube (9) of the bicycle frame (2). A positive positioner unit (12,30) secures the seat pillar removably in the upper position of the saddle. The unit has a movable securing element (12) and a stop element (30), which is located on seat pillar or seat tube. The securing element is movable between a securing position, when it engages with a stop element, and a release position. It is pretensioned in either position. It may project into seat pillar or tube, and is spring-loaded. USE/ADVANTAGE - Mountain bike with simple adjustment of saddle between high uphill position and low downhill position.