Maybe interesting. Was searching for something else and came across a [Trek patent for a post that raises and lowers itself](https://patents.google.com/patent/US20150151804A1/en?assignee=Trek+Bicycle+Corporation&oq=+assignee:(Trek+Bicycle+Corporation)).
May 10, 2021, 9:36 p.m. - Andrew Major
Maybe interesting. Was searching for something else and came across a [Trek patent for a post that raises and lowers itself](https://patents.google.com/patent/US20150151804A1/en?assignee=Trek+Bicycle+Corporation&oq=+assignee:(Trek+Bicycle+Corporation)).