Originally Posted by Weaselshark

I actually have one of those chrome Mongoose biplane forks in my workshop. Unfortunately they have the old 21.1mm quill diameter… though likely would need a steertube extension done anyways in which case that could also solve the 21.1 issue.
Also the spring mount holes on the canti bosses are on the outside of the post rather then the inside. So not the easiest fork swap perhaps?!
Lovely Ritchey!