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I Googled for this, but couldn't find the proper torque (in Newton-meters) for Shimano Alfine 8- and 11-speed IGH axle nuts. I'm putting the hub back on the bike after removing the rear wheel.

I'm no techie, but I read that an IGH must be tightened to the correct torque, neither too tight (risk of damaging the IGH) nor too loose (speeds won't change correctly).

What is the correct torque for these nuts?

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Here is how I found the answer (30-45 N-m):

  • Followed the link in the first comment on the question (or I could have done a search for something like "shimano alfine hub service pdf").

  • The link Gordon provided was led to several Shimano products identified only by part number, so I did another search for "shimano alfine 11 hub" and found a listing on Amazon with the part number (SG-700). Shimano's part numbers are pretty transparent – if you know the two letter code that they use for different components – so you might be able skip this step with a lucky guess.

  • From there I opened up the service manual and scanned it for the step where the cap nuts are tightened.

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    Thanks for the "how I solved it" rather than just a number coming out of the air. – Móż Jul 26 '15 at 22:06
  • You're welcome – in many cases it seems like that's really the question… – dlu Jul 26 '15 at 23:42

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