4

One of the things anti-seize exists to do is provide the best possible protection against stuck or damaged threads in applications like this where the parts are tightened repeatedly under working loads. It will tend to be the most effective and require the least breaking torque. Where anti-seize becomes more necessary is titanium or stainless-in-stainless ...


3

The odd-one out here is threadlocker - it will make the removal process even harder. You do not have a problem with the thread self-undoing. I would strongly suggest not using threadlocker product here. Grease is fine, copper-paste is excellent. Use the one you have. Both are fairly resistant to being washed out.


2

Chains are consumables and will wear over time. Presumably this bike is to use, not as a static showpiece? If you value the current chain for period correctness, take it off now before it wears out, and fit a suitable replacement - a 5 speed chain might be okay, otherwise a 6/7/8 speed chain might be the nearest you can find. Clean, lube, and bag the ...


2

For something like this, a ruler is the superior way to measure chain wear. The reasons are kind of complicated, but essentially most modern chain checkers are only reasonably accurate by virtue of roller thickness being more standardized than it necessarily has to be or would be on an old specimen. A ruler requires squinting but will not lie. The Sheldon ...


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