They are available to be purchased in a number of options depending on your budget and preference as follows.
Build outdoor pull up bar.
With help from some of the pictures on your site i was able to build a pull up bar and dip station.
For the poles i used 1 galvanized pipe 5 wide.
For example build a pair of parallel bars for dipping exercises.
Here you will find the updated 2020 guide of the outdoor best pull up bars currently available on the market if you are like me and absolutely love working out outdoors you will know the freedom it brings.
Having more room to do certain movements like muscle ups or just being able to soak in the sun and hear the birds singing as you do your pull ups.
Expand your pull up bar as needed for other exercises.
And another example of an outdoor pull up bar combined with horizontal bars installed by mike westhead how about this setup created for his son by bill kanter.