Working up plans to make a copy of a Mecacycle Turbo Track, if anybody has a ruined frame or by some miracle a bottom bracket shell in the white. Otherwise it will be filleted. TIA discussion welcome!
I thought they, like the Rigi, used normal BBs maybe with like a bilaminate style thing going on for some of the other tubes
Why couldn’t you just use a normal BSA BB?
Here’s one with a fillet brazed bb.
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Hah, that ebay listing is the first one I saw that’s got me stuck in this rabbit hole. I am considering trying the bilam approach and can definitely just fillet braze for this, but considered the novelty of finding a real cast BB shell and decided why not put up a WTB. This frame won’t start coming together for another month or so so I’ve get some time to decide what to go for. Thanks
edit: also never heard of Rigi, thanks for the heads up on that !!
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