I need to replace the Bottom Bracket on my 2005 Specialized SJ 120.
The crank is stamped as a FC-M540; however, is listed as Custom Shimano Hollowtech, Octalink XT Spline. From the following thread http://forums.mtbr.com/showthread.ph...hlight=FC-M540 it looks like I need to use a XT-level BB.
My current (stock) BB is a Simano ES-30 Octalink spline, 68 mm shell, 118 mm spindle. 50 mm chainline.
What are my options?
I'm thinking of buying the following Shimano BB-ES71 (XT):
Are they the same (I presume so) and would that work?
Anything else that I need to consider? I've never done a BB job before, but I think that I have all the right tools (crank puller, BB cartridge tool, calipers) to do so. Do I need special grease or can I just use anti-seize?
Thanks in advance!
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