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  1. #1
    mtbr member
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    Installing XTR M960 Cranks

    I just got some XTR M960 cranks with no installation instructions. How do I install them on a bike with a 68mm bottom bracket?

  2. #2
    It's the axle
    Reputation: Gregg K's Avatar
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    Jan 2004
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    I'd say to go to this page and find the instructions. But it appears the instructions page isn't functional.

    http://techdocs.shimano.com/techdocs/blevel.jsp?JSESSIONID=Fr8Th2pTFZDC1FwC4gtgxrSy1Lyv G7744PjV9qDRL8WvBgQy2H4W!-1332538108&ASSORTMENT%3C%3East_id=1408474395181679&FOLDER%3C%3Efolder_id=2534374302051123&bmUID=1173044371127

    There are only a couple of things. On the 68mm, three of the shims are required. Two on the drive side bottom bracket bearing cup, and one on the nondrive side. Make sure the cranks are fully seated onto the bottom bracket bearing. Then install the other crank arm, and just snug it up with the funky tool. The newer cranks have a silly tab that has to be pushed into a hole in the crank axle. Then the two bolts get torqued in succession. In other words, don't just torque one only, and then the other. Knowing the torque is almost not important. Just don't crank on em. But if you do have a torque wrench, it's....now I have to run and find my hard copy of the instructions... 106-132 in. lbs. Oh yeah, who has one of those torque wrenches? I've never had a problem with just tightening them until reasonably tight.

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