2014 S-Works Epic NDS crank arm loose. Need alternative- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Jul 2005

    2014 S-Works Epic NDS crank arm loose. Need alternative

    The non drive side crank arm is loosen. I stopped by a shop and they weren't expereinced with the crank but said I'd need a new crank arm. Whether it's warrantied or not I need a replacement crank ASAP so I'm wondering what I can do while I wait to replace this particular arm. I don't have quick access to my dealer.

    Here's the stats from the specs: I'm not sure of the width of the BB. But this is what it says:


    S-Works, FACT carbon, 30T X-Sync ring, 104mm BCD spider


    SRAM, PF30, OS press-in bearings, sealed cartridge

    1. Can I replace this with any BB30 crank or is there something specific I need for the ID of the bearings?

    2. I'm running a 170mm crank and as I may need an emmergency replaccement I'd love to try a 167.5 or 165mm crank. Do I have any options for that that are also 104BCD?

    3. How do I remove this crank? Does anyone have a link to the proper SRAM instructions for this model.

    4. To double check though; is there a way to tighten this arm or is it really finished?

    Sorry I'm on the road overseas and can't upload the video of the arm moving. I'm trying to include a still shot. The arm is bascially loosened and wobbles badly (it's done 16000 miles). The little flange and the 8mm(?) hex there are both already tight, or at least I could not budge them.

    5, if needed, is this arm a part I can replace?

    Here's the link to the still shot if it's working.


    Last edited by thegallery; 11-07-2016 at 04:36 AM. Reason: spelling

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