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  1. #1
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    Formula R1 vs. R1X vs. RX? What's the difference?

    I've been looking here, the Formula US site and their Italian site. I find info on the R1 and the RX on their site, but not the R1X. What's up with that?

    I'm looking at getting a bike with "R1X", but they don't look anything like the RX and resemble the R1.

    What's the main difference?

  2. #2
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    I think the R1X is a mix of R1 and RX - R1 MC + RX caliper.

  3. #3
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    Could well be a OEM spec from a big bike company. Specialised for quite a few years had their 2nd tier epic with a Juicy Ultimate 7, which was the caliper from one and the lever from the other.
    Rimmer - "There's an old human saying - if you talk garbage, expect pain"

  4. #4
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    Quote Originally Posted by AlexRandall View Post
    Could well be a OEM spec from a big bike company. Specialised for quite a few years had their 2nd tier epic with a Juicy Ultimate 7, which was the caliper from one and the lever from the other.
    It's on a GT Force Carbon Expert 2012..

  5. #5
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    I have a set of RX1s that I bought on CL. They were Ibis oem. I think the main difference is tooless reach adjustment.

  6. #6
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    Update:

    - It's OEM (My GT, Ibis)
    - Master cylinger is R1 with FCS (Pad contact adjustment) TFRA (Tool Free Reach Adjustment)
    . Caliper is RX
    - Brake pads with copper back (for better heat dissipation)
    - Rotor appears to be R1/R1Racing rotor, two piece floating, OEM anodizing. (Not the blue with straight arms available at Formula, but same as red/black with wavy rotor arms).

    It appears that GT has mixed up THE best parts from Formula here. Not really just to save money, because they have included some pricey extras, but to get the best brake with the most functions, least weight for the smartest dollar. If they wanted to "save money" they would have gone straight RX.

    I actually think GT's been preeeetty smart here!

  7. #7
    DTP
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    i built a niner bike recently and they had this official build kit which also had the same specs.


    - It's OEM
    - Master cylinger is R1 with FCS (Pad contact adjustment) TFRA (Tool Free Reach Adjustment)
    . Caliper is RX
    - Brake pads with copper back (for better heat dissipation)

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