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    DTR Caliper Replacement/Upgrade Options Help?

    Brakes
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    • Calum
      Calum @Wilson last edited by

      @wilson Yes, well I have a DTRE, but it was an OEM bracket that was damaged.

      alt text

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      W 1 Reply Last reply Reply Quote 0
      • W
        Wilson @Calum last edited by

        @calum 😲😲 nice job with that mate.
        Thank you for the help ill look onto getting a rs caliper. Did you go similar year or just any?
        What you running on the front?
        Looks nice

        1 Reply Last reply Reply Quote 0
        • Calum
          Calum last edited by

          @wilson I run RS125 front brake as well

          alt text

          Bear in mind, my setup us totally custom.

          declan 1 Reply Last reply Reply Quote 0
          • declan
            declan @Calum last edited by

            @calum caliper looks strange with the two mounting bolts on the same side

            Calum 1 Reply Last reply Reply Quote 0
            • Calum
              Calum @declan last edited by

              @declan How do you mean?

              declan 1 Reply Last reply Reply Quote 0
              • declan
                declan @Calum last edited by

                @calum the caliper has both of it's mounting bolts at the bottom end of the caliper rather than the normally either side of the caliper unless I'm just looking at it wrong?

                Calum 1 Reply Last reply Reply Quote 0
                • Calum
                  Calum @declan last edited by

                  @declan Ah I see what you mean 🤣 Yeah that looks sketch as fook!

                  Yeah that's just how they are on the RS 125 and a lot of other bikes

                  alt text

                  declan 1 Reply Last reply Reply Quote 0
                  • declan
                    declan @Calum last edited by

                    @calum yeah I can see it's stock but it looks so sketch lol

                    Calum 1 Reply Last reply Reply Quote 0
                    • Calum
                      Calum @declan last edited by

                      @declan Yeah not the best 😛 But must be good enough.

                      The worst part for mine is the adapter bracket is made out of aluminium so...keep an eye on it.

                      declan 1 Reply Last reply Reply Quote 0
                      • declan
                        declan @Calum last edited by

                        @calum yeah but in all fairness so are oem types you could be fancy and get her made out of titanium

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                        • NINJA
                          NINJA last edited by NINJA

                          @calum @Declan The RS front disc is on the right hand (OS) side of the bike, so as the DTR/RE has the front caliper mounted on the near side (NS), which means that Calum's caliper is upside down. There may not be much wrong with that, but it may cause some issues with bleeding/air bubbles as the bleed nipple should be on the top. I had this issue on my ST185 Celica GT4, as I upgraded the rear brakes from the later ST205 model, which were bigger discs and 2 pot calipers. I mistakenly put the calipers on the wrong sides, so the bleed nipples were at the bottom and I could not get all of the air bubbles out, which meant spongey brakes. The issue was fixed as soon as I swapped the calipers over. Motorbike brakes are less sophisticated than cars, plus they have no servo, so it may not be an issue?

                          There's nothing wrong with Calum's set-up and I'm sure it works very well, but the mounting looks a bit weird, just because the caliper is upside down. If you get a front caliper from a Ducati monster, which uses the same Brembo unit's with a twin front brake set-up, just buy the left hand caliper, which will give you the correct left hand unit. You can then make up a mounting bracket to fit accordingly and the bleed nipple will be at the top.

                          Calum 1 Reply Last reply Reply Quote 2
                          • Calum
                            Calum @NINJA last edited by

                            @ninja I was thinking of getting the "Brembo" one as it happens. I read somewhere that they suspect it's the same company that makes them all and they are just stamped differently. But given that my bike is not an Aprilia, it would be nice to have a generic "Brembo" brake stamp.

                            Funny you mention bleeding, one caliper just refused to bleed no matter what, this caliper bled no problems.

                            NINJA 1 Reply Last reply Reply Quote 0
                            • NINJA
                              NINJA @Calum last edited by NINJA

                              @calum You would think that having the nipple at the bottom would aid bleeding and reduce the air bubbles, but I guess that gravity plays its part and adds disturbance to the fluid? I suppose that bubbles rise to the top and having the caliper upside down may affect the flow as well? I'm no expert but I'm sure that there's been some study somewhere. If you look at most vehicles running disc brakes, the majority have their location's at the 2-4 o'clock position. I guess that's for maximum performance, it would be interesting to see if you swapped it for a left hand unit, with the bleed nipple at the top, would you get better braking performance and easier bleeding? There's always plenty of Ducati monster calipers on ebay and making a new bracket wouldn't take too long - well worth a shot. 😉

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