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Great to meet you too, @EcuriePeril. I'm glad it's gone to someone who fits it better and who has that local connection to the SBDU. Looking forward to seeing the build, and hopefully pics of it at Derby in due course.
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Back to the Ribble, with a used Icetoolz BB chasing/ facing kit from eBay. I've got enough frames and projects to justify having the tool, I reckon.
I've watched it done enough times and know the theory, but was still a bit nervous. I've heard enough horror stories about people getting it very wrong.
Unlike some BSC cutters, the 'R' and 'L' on the Icetoolz cutters refer to the side they are used on, not the thread direction. I checked and rechecked thread directions, checked and rechecked thread alignment, and used plenty of cutting oil. All went well. Enough gunk and paint came out to make me wonder if the previous owners ever had it done properly.
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I tried a dreaded three-arm gear puller once. Didn't work with that one, unfortunately. The puller broke. Not ideal on a five-arm spider.
With this current crank I had tried liberal amounts of heat (to make use of aluminium's greater thermal expansion coefficient) and riding a good few km without a crank belt. No loosening joy was had.
I'm really happy about finding a tool with a centring guide - should be so much easier to cut the new thread properly and save the crank. I'm going to get a handy engineering friend to help.
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I've tried a few ways of easing a stripped crank off, but no joy yet. Just got hold of a Cyclus crank repair toolkit. It's got a reamer and cutter for a 24mm thread, plus a 24mm crank extractor. It's also got a handy centring guide for the cutter. Hopefully I'll have some success and be able to carry on using the S75 crank!
Make it ten laps on bikes, Superstars-style. The other dads would be like Kevin Keegan