So it started with a freecycle pick up
And replacing the stem with a flex stem, replacing the seat post and seat to see if I could get it to fit me better
I still wasn't totally happy, it's a 17" (MF measure from bb to seatstay) so I thought I'd keep an eye out for a larger frame, not...
Saracen Bike
Price:£50
https://www.gumtree.com/p/for-sale/saracen-bike/1505396466?&utm_source=Notepad&utm_campaign=socialbuttons&utm_content=app_android&utm_medium=Social
I have roughly worked out how it all works. The top bit when pushed down allows the brake cable to move and when it isn't it's sorted of clamped in place. I'd be interested in what the instructions say if you can take some more photos.