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Yep, got to stay with it as not going to swap the cranks. Is the ES300 the best option. It’s on an MTB.
You need to match the version (v1 or v2), spindle length, and bottom bracket shell width to the old one.
https://www.chainreactioncycles.com/us/en/s?q=octalink&cat=direct
https://www.sheldonbrown.com/bbsize.html
Only Shimano make them, so just get whichever is the right length and matches your budget... The Dura Ace track one has no external seals, so probably don't go for that one 😉
No idea about v1 or f2f!
Bugger. Hope I've got the right one then. I made sure it is 73-126 but not a clue about the version type.
Will go read up!
Ok, different spline length,I see. I think I'll be ok though as CRC Answers said it's a direct replacement for the ES25 so should be ok.
I'll check the splines when it arrives though, just in case.
I’ve an xtr octalink in shed still pretty smooth don’t know if it’s v1 or v2 mind ? It was road compatible iirc
Only the road ones and xtr have the v1 splines.
Only V2 was made in 127mm length. As long as it's BB-ES something you will be fine.