'89 Orange Clockwork

Hey, everyday is a school day. Someone on here has a lemon, frame number is left to right on the BB, as opposed to front to back as above. Different factory for these?
 
Went in tonight and dug out drivetrain, brakes and other lil bits...

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I realised I've already cleaned up and regreased / lubed the rear mech and the shifters at some point. I remember now that I started to rescue the old jockey wheels and spent a while removing corrosion off the plates that sit on them... I had a word with myself and went and bought some new ones.

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So then I spent this evening on the front mech and cassette. They seem to be cleaning up nicely.
Then started to disassemble the chain set, but don't have my chainring tool to hold the slotted nuts. I could've improvised, but realised it was late and that I'd be visiting my shed and the bulk of my tools tomorrow when I go see my boy.

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The cassette has little to no wear. Chainrings look pretty heckin good... The chain. Well, I'd like to say I can rescue that, but no. Some things are just too far gone.

All the LX kit appears to be M550. I don't know about the cassette, I can't see a model stamp anywhere but am guessing it's a HG50. Is it original? I'm guessing not, but if anyone can identify it as a period correct unit, that'd be cool.
I just googled the US patent number on the lockring... Which was fun:
https://patents.google.com/patent/US4268259A/en

When I stripped the brake cables out of the STI's, there were some jazzy little brass sleeve things to cradle the cable ends. I made sure I kept these.

I'll have to dig out the wheels and see what state the hubs are in and whether the nipples are tweakable (doubtful).

Righto. Bed.
 
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