Brake calliper drop question

venster
venster Posts: 356
edited August 2007 in Workshop
I'm going to treat myself and change the 'vanilla' callipers on my Trek 1200 to either 105 or Ultegra. I've noticed that one is 49 mm drop and the other is 57mm.

Will either fit?

Or do I need to go and measure my current ones - if so, where do I measure from ?

Thanks

Comments

  • pieinthesky
    pieinthesky Posts: 417
    I thought that both 105 and Ultegra calipers were 49mm drop. Shimano do 57mm deep drop calipers but I dont think they are branded 105 or Ultegra.

    You need to measure from the centre of the brake mounting bolt to the centre of the rim braking surface (along the centreline of the bike)
  • venster
    venster Posts: 356
    OK.

    The ones I saw at ribble said they were Ultegra R600. I'll stick to the 49 mm drop

    http://www.ribblecycles.co.uk/details.a ... IMBRAR0350
  • aracer
    aracer Posts: 1,649
    Don't know where you got Ultegra from - no mention of it on that page! Those might be Ultegra quality, but they're not sold as such. http://www.ribblecycles.co.uk/details.a ... IMBRAR0575 are normal Ultegra brakes.
  • venster
    venster Posts: 356
    http://www.ribblecycles.co.uk/list_sear ... mit=submit


    16th one up from the bottom !
  • gavintc
    gavintc Posts: 3,009
    Most road bikes take the shorter drop 49mm. But, I would make a quick check on your current bike which will fit. I bought, fitted to the bike and it was only when I came to put the wheels back on and check the alignment, that I realised that my wife's OCR3 needed long drop brakes. Thankfully, the shop replaced them without a problem.
  • leonlikestrees
    leonlikestrees Posts: 528
    um, is this allowed in the rules???

    Anyway, I have a set of really good condition ultegra calipers for sale.

    PM me if you're interested. They're the short drop ones (49mm).

    Oh, and the existing calipers will probably have the length of the drop stamped into the back of them.

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