Polo bike geometry + addons

pompino front end and butterbean rear with a few extras for sub £150 if it all goes to plan

Sharpen the front end up, use decent tubing, make the joins burly and don't forget about details (brake mounts, BB height, long track ends, semi-compact geo, etc).

Sub-£150 seems wishful?

My BB is very similar to Aufbruch's Yates to look at:

The Little Red Fire Truck