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Front Caliper Mounts: Are There Alternatives?

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    Front Caliper Mounts: Are There Alternatives?

    Seeking some input or ideas!

    I had a bike shop upgrade the fork on my Sur Ron from the RST Killah to a RockShox Boxxer RC spring fork last year. Turns out that the mounting points for the caliper mounts on this fork are just a tiny bit higher than the ones on the RSTs. As a result, only about 4-5mm of the brake pads are making contact with the 203mm rotor and you can clearly see some channeling:
    Click image for larger version

Name:	AM-JKLXzvhw1uJLPTK_AngwQhGokKdq78Zimul0qlOt8PCavetDPg4pNaLntE7js7ju53FPsg-9uGZcOvfcRBGI8dBpR0PR9znaPTxQ2LSUhCruasSRAA5Q4TUYoTKi9qz4oav3siyO31mwfQScERBXUdzhGNA=w978-h1304-no?authuser=0.jpg
Views:	183
Size:	424.2 KB
ID:	150925

    I did notice that there wasn't as much braking power as I expected on the front, but I never really investigated, as I'm mostly on dirt and tend to use the rear brake a bit more.

    Seems to me I just need to find a caliper mount that allows the caliper to sit 6mm-7mm lower than it does not. I'm hesitant to try to alter the caliper I have, so I'm wondering if anyone has run into a smaller version of the Jshoubike F/R 180 mount that the Sur Ron came with?


    #2
    Not sure what year your Boxxers are but the new ones are 200mm rotor direct fit so no brake adapter required

    Comment


      #3
      Originally posted by ildiavolorosso View Post
      Seeking some input or ideas!

      I had a bike shop upgrade the fork on my Sur Ron from the RST Killah to a RockShox Boxxer RC spring fork last year. Turns out that the mounting points for the caliper mounts on this fork are just a tiny bit higher than the ones on the RSTs. As a result, only about 4-5mm of the brake pads are making contact with the 203mm rotor and you can clearly see some channeling:
      Click image for larger version

Name:	AM-JKLXzvhw1uJLPTK_AngwQhGokKdq78Zimul0qlOt8PCavetDPg4pNaLntE7js7ju53FPsg-9uGZcOvfcRBGI8dBpR0PR9znaPTxQ2LSUhCruasSRAA5Q4TUYoTKi9qz4oav3siyO31mwfQScERBXUdzhGNA=w978-h1304-no?authuser=0.jpg
Views:	183
Size:	424.2 KB
ID:	150925

      I did notice that there wasn't as much braking power as I expected on the front, but I never really investigated, as I'm mostly on dirt and tend to use the rear brake a bit more.

      Seems to me I just need to find a caliper mount that allows the caliper to sit 6mm-7mm lower than it does not. I'm hesitant to try to alter the caliper I have, so I'm wondering if anyone has run into a smaller version of the Jshoubike F/R 180 mount that the Sur Ron came with?
      Surron rotor is 203mm,looks like you run a 180 mm disc

      Comment


        #4
        Originally posted by Kauaiguy View Post

        Surron rotor is 203mm,looks like you run a 180 mm disc
        Thanks. This is definitely a 203mm rotor. It's the mount that's the problem here, as the mounting points on the new forks are taller than the RST Killahs. So I think I either need a shorter mount, or a larger rotor.

        Comment


          #5
          just try directly mounting the caliper to the fork

          Comment

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