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i got a good 'master' lock from chainreaction, its gold secure.
http://www.chainreactioncycles.com/Models.aspx?ModelID=39786
and a knog skink rear for £15 on ebay.
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Ok, I've just woken up so bare with me.
I think Campag 111mm is symmetrical, don't think the drive side is any longer than the non-drive, though I'm not sure.
I'm not sure that the 7600 BB is ISO, I've never seen any real supporting evidence, just peoples opinions.
On the point about UN BB's, and people using shorter spindles; the shimano un54 110mm BB gives a pretty straight chainline with the 7600 cranks. The un54 107mm BB also gives a pretty straight chainline, but that is because the 107 isn't symmetrical. Both the 107mm and the 110mm have the exact same drive side spindle length. IMO that is just further proof that the DA 7600 cranks are either JIS, or somewhere between JIS and ISO.
I haven't actually received my 7600 cranks yet, but I have both a Campag 111mm, and a un54 107 (which I plan to try first) so I will experiment for myself.
If the cranks are in-between ISO and JIS, I think using a JIS is the lesser of 2 evils.
I am pretty sure all NJS stuff is ISO. which would make both bottom bracket and crank set ISO.
what would be benefit for shimano making a new JISO taper?
I think you should forget about chain-line until you work out if its JIS or ISO, then choose your BB.
I have a UN54 107mm and mine is symmetrical. and JIS.
a 7600 110mm (or campag 111mm) ISO and a UN-54 107 JIS would give near enough the same chain-line, but the wrong taper, thus risk of damaging the crank tapers.
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What are the best cranks for up to about £150? I fancy upgrading from the Andel that came on my steamroller but don't want to spend too much. is it possible to get something new and good for that much? would £150 buy an upgrade - I think the andel's are pretty average.
not sure what bb is in there, but I think it is sugino. Ideally after something with a 47t chain ring and it has to be black.
thanks.
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tentative 3rd dibs on cranks.