upsidedown's TT bike

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Scilly.Suffolk in reply to @gbj_tester

like FC-7300/PD-7300

How would you wrangle modern pedals in there? Machine an adaptor?

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gbj_tester in reply to @Scilly.Suffolk

Machine an adaptor?

No, because you'd still have to make room for the ~14mm length of 9/16×20 thread. Making new axles would be the key, just copy the shape as far as the inboard seal ring and then flare out to the bigger flange and thread.

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