I would have thought any old bolt the right thread and length would do along with a crushable washer and a torque wrench. I did my XTR 2-3 weeks ago: from memory it's a 12mm hex bolt about 20mm long so probably an M8 thread. Torque was either 18 or 20Nm - which is not that tight.

I am a bit pissed and not at home to look it up so all the above may be rubbish.


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