To shorten handlebars (it's traditional language but it's weird use of shorten...should be 'to narrow...') I have always hacksawed them. Freehand seems more accurate than using one of the guides. weirdly enough. But more recently I have been using an old but very precise Ridgid pipe cutter from...
...mainly it's missing the memories associated with a specific bike.
If you creep into the workshop very very late at night, leave the light off, and put your ear to the frame, you can hear all those past rides - very dimly, very quiet, but there, way way off in the background.....
Yep know the feeling.
In the 1990s I was at the front of things. First bikes with front suspension on the South Downs - Manitou, PACE - then first full sus bikes imported from the 'States (AMP), while still riding state of the art hardtails as they came out. Then marriage to someone very...
ah ... effort
picture this
I carefully place a unique part from my partner's hub gear system on the workbench.
Next evening I come back home to finish the repairs.
No part.
It's a small threaded clamp
I spend two hours scouring the workshop floor with headtorch and maglite.
I give up
I...
can you post a photo of the boss mounts in the frame? It may be that you do have a counterbore but that the threaded section is too long on the replacement bosses. The threaded section comes in different lengths on different bosses.
weeellll ..... actually in the '90s I was using Porcs up front and Ground Control in the rear as a very grippy combination on wet, slick chalk on the South Downs, and when the white Porcs came out we did use them lots. They worked in the winter on chalk tracks, and not many tyres did then. I...
hang on .... syncros cattleprod stem ... that worth quite a bit, and original albeit damaged logos - and the all-important top cap.
...and the syncros seatpost. Gen 2? And 350 long or the amazing 410 length? In either case it's worth quite a bit.
rather sought after after-market kit...
I have these for sale too
Immaculate
https://www.retrobike.co.uk/threads/wide-wide-enduro-wheelset-26-dt-fr570-on-dt350-hubs-aero-spokes-handbuilt.494687/#post-3752350