In the old days that was one half of a bike pump holder which works sit along the frame
tigralfrosie on
Bike pump holder, should be another one further down the tube. Pump would have had a spring within the handle allowing you to compress to get the pump between the two, expanding into the space when you release.
Eggert22 on
It’s to mount an older bycicle pump. If you mean the hook.
5 Comments
In the old days that was one half of a bike pump holder which works sit along the frame
Bike pump holder, should be another one further down the tube. Pump would have had a spring within the handle allowing you to compress to get the pump between the two, expanding into the space when you release.
It’s to mount an older bycicle pump. If you mean the hook.
https://www.reddit.com/r/bicycling/s/Uwx8Yu1ywh
This is a post about the same question in a different subreddit where someone put a picture in the comments showing how it worked
Awesome. Thanks all