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2

If the frame is in fact steel (easy to confirm with a magnet), I would suggest spraying some WD40 into the various frame tubes and spinning the frame around to get the WD40 to cover the inside of the tubes. WD40 will flush out any remaining water and provide a coating which will slow future rust. There are better and more expensive rust inhibitors such a JP ...


5

I'd consider replacing the shifter cables and housings, as this is a relatively low cost fix. Water will have seeped deep into the housings. The hydraulic brakes are of course nominally sealed, but a bleed may be good idea in case water has got into the system. The braking system is obviously critical so I'd do it. Water probably got past the fork seals. ...


1

You can use 700cs on it, will probably need longer reach brake calipers. I did the same thing with my 85 schwinn prelude. You will NOT find new 5speed free wheels, you can find new 27" wheelsets. Wiemann still makes them and there are about 8 different tire options. 29ers are 700c, it just sounds cooler to the mtb crowd and laymen understand 29er better, ...


2

Regarding the brakes: Your current brakes look like long-reach brake calipers to me (older type which has longer lever arms (less leverage). You have to account for the rim getting closer to the frame when you upgrade to larger wheels (I don't think you'll be able to find 27" wheels new, by far the most common size is 28" (700c aka 622mm inside rim diameter)...


0

Try to just remove the pedals, clean them really well, then reinstall the pedals. If you have the tools and grease on hand this is very fast and easy to do. It might not solve your problem but it might and costs basically nothing in time and money to try. If you don’t have the tools or grease, you can buy them at any bike shop for under $20; or maybe your ...


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