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I'm trying to confirm required BB length for my 70's Dura Ace track cranks to give me a 42mm chainline. I fitted the cranks to a BB of known length (103mm on my Fuji - both JIS tapers?) and amazingly this gave a 42mm chainline. So, i'm assuming I can go with say a Sugino 103mm on the other bike I intend fitting the cranks to. I see from the transmission database most DA cranks are running 107mm BB's so I am assuming this applies to later cranks?
If anyone can sense check what I've done please ...........
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I decided not to invest too much in upgrades so just saddle. tyres & sprocket for me. Realised it is a better course of action to put better bits on a better frame and started building up the next project on that basis.
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I'm 6ft and ride a 58 Fuji which feels just about right (I normally ride a 57cm road) standover is around 32 inches. I do have long inseam though. Sounds like you need to try a 56 for size.
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Run mine with a cheap Tektro caliper and a Salsa cross-top lever.
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It's about time I started upgrading some more components (have already changed stem/bars/saddle/wheels). Can I replace the FSA cranks directly with JIS (sugino?) cranks on the same BB without affecting the chainline as I understand the FSA chainring is dished? Don't mind upgrading BB if I need to.
Darren
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Went for a Surly 18T sprocket on my Fuji c.£20 - available from most retailers (try Googling).
Mid-price, shiny & should last a reasonable time ........ I'd probably upgrade the lockring at same time to say a Dura Ace
You will probably find it difficult in removing the Fuji 15T sprocket. They seem to be loctited on for some reason. You need a good 1/8 chain whip and lots of strength