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  1. #1
    mtbr member
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    Jun 2004
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    43

    Jet 9 rear brake rub

    Just set up my 2010 Jet 9. I've got an unusual problem and looking for guidance on how to resolve. The outside edge of the rotor (Magura Marta 160mm) rubs on the inside of my Marta caliper. Not on either side of the rotors with the pads (as typically the case), but on the outside edge. When I take the pads out of the calipers I can see the rub marks up inside the caliper. There's really no adjustment for the IS mount rear. I've even taken the rear wheel off my 2009 Air 9 (also 160mm Marta rotor) and that rotor rubs as well. Neither rotor rubs on the Air 9, so I don't think I have faulty rotors. The only thing I can conclude is the rear brake IS mounts on the chainstay are too low.

    Any ideas?

  2. #2
    mtbr member
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    Join Date
    Mar 2010
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    18
    You could take the brake from your Air, mount it on the Jet and see if it rubs also. I donīt know much about the Martas but are you sure the rotor and the brake fits together according to Magura (modell years etc.)?

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