Possible bottom bracket issue
06-11-21, 01:52 PM
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Possible bottom bracket issue
Hi I have a problem that my front derailleur will not meet my 3rd crankset. I have a bottom bracket which is a vp-bc73 bc1.37”x24T. 68x118. and a chai set that is a shimano alivio fc-m410. Could I be right in thinking my bottom bracket is too long. Many thanks
06-11-21, 04:26 PM
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Yes. It looks like the FC-M410 takes a 113mm spindle to achieve a chainline of 50mm:
https://si.shimano.com/pdfs/si/SI-6M10A-000-ENG.pdf
https://si.shimano.com/pdfs/si/SI-6M10A-000-ENG.pdf
Last edited by Rolla; 06-11-21 at 04:30 PM.
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06-12-21, 10:58 AM
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Thanks, new bottom bracket fitted this morning and all working great again. Now just got to get used to cycling again after 13 years
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06-12-21, 11:03 AM
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06-12-21, 09:07 PM
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Sorry I am making a terrible joke and will now stop....Just had too do it, glad you get the problem resolved.
For those in the future reading this, check manufacturer specs for everything and make sure you are within them for optimal compatibility!
