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  1. #1
    Arnborg strik
    Reputation: Thomas's Avatar
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    Feb 2004
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    Formula The One rotor height/width????

    Currently im running XTR 975 discbrakes with matching centerlock rotor's.
    Yesterday i got a good offer on a set of Formula The One's without rotor's.
    My question is:
    Can i use my XTR RT97 rotor's with The One's caliper?
    Could anybody please measure their The One's rotor "braketrack"

    Thanks in advance
    Thomas
    Single dad, and proud of it!

  2. #2
    Mechanic since 1994
    Reputation: jonnybiggs69's Avatar
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    Jul 2007
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    I'd like to know this as well - specifically for the Oro's

    I wonder if the ever knowledgeable Chris Costello of Perigeum Development might be able to shed some light on this?

    There is a few conflicting comments in the RT97 compatibilty sticky...

    Guess this is an indirect 'bump'

  3. #3
    mtbr member
    Reputation: 'size's Avatar
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    Oct 2005
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    i'm getting 13mm at the narrowest and 16mm at the widest on all 4 of my formula oro rotors - three 160mm and one 200mm. measured from the inside/lower part of the track to the outer.

    while formula does make a 203mm rotor, they typically ship with a 200mm rotor as their 8" standard. keep this in mind regarding caliper/adapter position if you're using a 203mm on your bike now.

  4. #4
    Industry Member
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    Hey Guys,
    Give us a call in the office and we can give you the answers to your questions! You can also email us at oro@formulabrakeusa.com

    Cheers,

    Chris Costello
    Perigeum Development / Formula Brake USA

  5. #5
    JB.
    JB. is offline
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    I've used Shimano XTR CL rotors with my Oro brakes earlier. 160mm and 180mm. It works just fine. The One and Oro use the same rotors, so I would guess you could run XTR CL with both brakes.

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