Difference in rotors? Please school me- Mtbr.com
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  1. #1
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    Difference in rotors? Please school me

    I believe it's time for me to replace my rotors, as they are pretty warped. I don't know how this happens, but I think that's another thread. I have 180mm up front and 160 on the rear, with stroker ryde brakes.
    Are there compatibility issues?
    What makes 1 rotor better than another?
    Your help is appreciated.

  2. #2
    Mountain Man Dan
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    Pretty sure there are NO compatibility issues. 180mm is a 180mm, 160mm is 160mm. Get any brand you like. One rotor can be better then another simply by how cool it stays. rotors with a lot of drilled slots and holes will stay cooler then a rotor with less holes and slots. That's about it for what makes a rotor better then another.
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  3. #3
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    Weight

  4. #4
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    Then what is the downside of lotsa slots and holes?

  5. #5
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    Quote Originally Posted by ajmelin
    Then what is the downside of lotsa slots and holes?
    You know what's not the downside...your weight.

  6. #6
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    One thing to look out for is if the brake track width of the rotor fits the brake pad size. The brake tracks of some rotors are significantly wider than others. Too wide is no problem, too narrow and you are braking on the 'legs' that connect the brake track to the hub mounting part of the rotor (= no good). I don't know how wide the Stroker Rydes are, but you can measure your current rotors and look for something that is at least as wide.

  7. #7
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    Quote Originally Posted by RogerDoger
    You know what's not the downside...your weight.
    Go away. Please.

  8. #8
    g3h6o3
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    Quote Originally Posted by cascades
    One thing to look out for is if the brake track width of the rotor fits the brake pad size. The brake tracks of some rotors are significantly wider than others. Too wide is no problem, too narrow and you are braking on the 'legs' that connect the brake track to the hub mounting part of the rotor (= no good). I don't know how wide the Stroker Rydes are, but you can measure your current rotors and look for something that is at least as wide.
    The width of the rotor is also important if you mix&match brands, watchout.
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  9. #9
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    Ahhhh, now we're getting somewhere!

  10. #10
    g3h6o3
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    Oops I typed width but meant thickness!!!
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  11. #11
    ups and downs
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    And close is not close enough, there are 180, 183 and 185mm rotors out there, they aren't interchangeable.
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  12. #12
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    Quote Originally Posted by ajmelin
    Then what is the downside of lotsa slots and holes?
    Less mass in the rotor itself to absorb heat.

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