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
Retro
One of the most overlooked saddles: Avocet O2 ti
Had many. Soooo COMFY. I actually ran the female version off road - Noice.
Thinks...are there any in the barn somewhere?
Comfy
Anything made by Fabric
Particularly their 'flat' models in 142 or 148