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  • Seatclamp with no lip

     Threevok updated 4 years, 6 months ago 3 Members · 8 Posts
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  • Threevok

    8 March 2016 at 4:34 pm

    I need a 28.6 seat clamp with no lip

    I need it for the Decade Virtue build, in order to avoid the seat collar cracking problems, which was common on this mark of frame.

    I have been advised by the very good people at Kinesis, to take 5mm off the seat collar and use a very long seat-tube.

    They also suggest to either use a seat clamp that doesn’t have a lip, or get the lip on my existing “frame specific” Kinesis QR clamp milled down to suit.

    However, before I go ahead and get the QR milled down, I was wondering if anyone here could recommend a seat clamp (size 28.6) that does NOT have a lip on the internal diameter?

    To be honest, it doesn’t have to be a QR as long as it works

  • Attila

    10 March 2016 at 7:42 am

    they are a bit pricey but it looks like the hope ones don’t have a lip.

  • Threevok

    10 March 2016 at 4:45 pm

    Cheers – They look the ticket.

    Strange though – the ones listed at CRC and Wiggle all seem to have a lip on

    Must be a different model 😕

  • Steve Kish

    10 March 2016 at 9:36 pm

    AFAIK all seat collars invariably have a lip as this acts as a water barrier and to help correct seating of the clamp. I’ve certainly never seen one without. a lip.

    … but here’s the answer! …

    If you’re worried about cracking the frame, one of these should help as it takes lot of the tension from clamping the frame and places it on the pillar:-

    I’ve still got one from my old MTB that’s long since departed – it works wonderfully well.

  • Threevok

    16 March 2016 at 3:01 pm

    Thanks Steve, that looks the ticket

  • Threevok

    20 March 2016 at 7:08 pm

    Trouble was – I couldn’t find one (New) for the size I needed

    Went for one of these instead

    A bit chunky (even for a double bolt) but they have no lip – plus they had gold – which fits my colour-scheme

    Worth a punt at £7.49

  • Steve Kish

    20 March 2016 at 7:22 pm

    That may well do it as it spreads to load.

    Another small point is to use some carbon assembly paste as this again allows clamping with less torque.

    I had a single-bolt Scott pin that let the saddle rotate at 20psi, a bit past the max. rec. of 17, A decent dollop of Tacx Carbon Assembly Paste (yes, even on alloy-to-alloy) held it at 14-15psi.

  • Threevok

    20 March 2016 at 7:59 pm

    Cheers Steve – thanks for your help

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