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Thread: Rear disc rotor

  1. #1
    Junior Member
    Join Date
    Aug 2008
    Posts
    19
    I took the rear disc rotor off my XB9R. When I undid the set screws the disc 'cupped' a little, It was really tight on the centre bush, and by the time I'd finished prising it off, it looked even more dished. Are they dead flat when new? I'm thinking I might have to replace it. :(

  2. #2
    Senior Member
    Join Date
    Oct 2007
    Posts
    542
    Yep, they are dead flat, Blanchard double ground, as close to perfectly parallel as you can get. Probably do need a new one.

  3. #3
    Junior Member
    Join Date
    Aug 2008
    Posts
    19
    Thanks ophawk, I figured it most likely would be so. Sigh. Onward and upward.



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