brembo hpk mk4 calipers

Discussion in 'General 1000RR Discussion' started by graemewalker, Dec 28, 2013.

  1. graemewalker

    graemewalker Elite Member

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    spoke to the guy at the supplyco and are 499 inc p/pat mo but will be going up later in january as brembo is taking the discount off him. if u want these get in soon as they retail at £800 at mo so not a bad price.:)
     
  2. sinewave

    sinewave God Like

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    Noooooooooooooooooooooooooooooooooooo!


    Just when I thought it had stopped! :rolleyes:
     
  3. ColinBR

    ColinBR God Like

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    Damn. I was going to get my suspension sorted first.

    Looks like it'll need to be the brakes first now.
     
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  4. t0m541

    t0m541 Senior Member

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    They are £482 inc postage from Italy boxed as a kit for our bikes...
     
  5. graemewalker

    graemewalker Elite Member

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    these are also boxed brand new 1 year guarentee and fitting kit 15 quid others like bike torque charge 35.anyway i worked in italy and judgeing what i saw they dont rush so to get next day is worth the few bob extra take your chance thats what i say
     
  6. t0m541

    t0m541 Senior Member

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    Is the fitting kit extra £15 ??
    I assume thats bolts and locating dowels ??

    Actual speed of delivery isn't an issue as they won't be getting fitted till February with new discs..
     
  7. graemewalker

    graemewalker Elite Member

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    ye but only on certain bikes 600 rr bolts yors ok nee spacers
     
  8. sinewave

    sinewave God Like

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    It might just be a rouse to drum up sales at this quite time of year? [​IMG]
     
  9. Jamiestrada

    Jamiestrada JamieMultiTraitor

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    So cbr1000rr just uses std bolts and no spacers ?
     
  10. Slick

    Slick Elite Member

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    My thoughts exactly, but I think it might work!
     
  11. Jase

    Jase Elite Member

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    Is the only difference between these and the 2 piece Brembo Radial that there CNC machined from solid billet and costing more I presume the braking performance is the same.


    Very good price that Demon Tweeks have them on at £822 without the discount we get.
     
    #11 Jase, Dec 28, 2013
    Last edited: Dec 28, 2013
  12. Slick

    Slick Elite Member

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    If you're talking about the HPKs Billets then they have 2x30/2x34mm pistons whereas the M4 monos are 4x34mm.
     
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  13. Jase

    Jase Elite Member

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    Yep they are £1194 at demon tweeks so £700 more is a lot looking at the spec difference so for club level racing/track would say the mono caliper was more than enough.Wonder how much difference having 2 pistons 4 mm smaller is?
     
  14. sinewave

    sinewave God Like

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    Tiz a good price Jase, DT are no where near even with discount!

    They're also cheapest for the RCS MC also!

    Time to nail the card again I feel! :rolleyes:
     
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  15. Jase

    Jase Elite Member

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    They will look good with ya ohlins J.:D
     
  16. Slick

    Slick Elite Member

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    I've wonder this also :confused: http://1000rr.co.uk/mods-upgrades-accessories-products/15079.htm#post238439.
    Most higher spec callipers have different sized pistons. Even OEM Tokicos and the new SP have different sized pistons, I'm intrigued to know the engineering reason behind it.
     
  17. Jase

    Jase Elite Member

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    Just looked on ebay for these :eek: I bought my Brembo MC from the same company was very quick delivery (just saying like):D
     
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  18. arthurbikemad

    arthurbikemad A very helpful Gent

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    The main benefit of a multi sized piston brake is increased effective diameter, since two smaller diameter pistons allow a narrower pad to be used, which for a given disc means the torque radius is increased.

    Multi sized piston calipers may reduce the instances of longitudinal taper wear of the pad since the pad is supported over more of its length. Some manufacturers offset the pistons or use a slightly larger bore at the trailing end of the pad to positively bias the pad wear,

    On the downside a narrower pad has a smaller swept width and cannot transfer heat into the disc as effectively. So a trade off is required.

    Guess I have over complicated the answer again, in short if you've noticed the leading edge of a pad ware's faster than the trailing edge, piston size is equal to force so they try to offset pad ware by running one larger than the other to keep pad ware as even as possible.

    So many trade offs with caliper design.

    :D

    In my limited experience I have seen tapered pad ware a few times with the Blades OEM calipers even with an offset piston design. Hard to ever pin point these things in an environment like brakes as so many factors to take into account so I could never say why, guess sometimes the leading edge bites more and starts the pad to ware unevenly even with different sized pistons to try and even it out.


    An example of tapered pad ware
    [​IMG]
     
    #18 arthurbikemad, Dec 28, 2013
    Last edited: Dec 28, 2013
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  19. sinewave

    sinewave God Like

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    Either way it aint worth another £500-700 extra for a Track Day Monkey Bike, so it's equal piston HPK's all the way for me! [​IMG]



    At £499 all in including new Pads Arthur, would U agree? :confused:
     
  20. arthurbikemad

    arthurbikemad A very helpful Gent

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    The M4 kit is a bargain! The high end calipers are MUCH MUCH better but you'd need to be in WSB to know!! I love those M4s.
     
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