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  • This topic has 6 replies, 5 voices, and was last updated 9 years ago by lerk.
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  • Confused with seat clamp sizes – Help needed please!
  • white5pot
    Full Member

    How are they measured? My bike is as 31.6 seat tube size (Intense Carbine SL) The sizes obviously do not match the seat tube size as all I can see for dropper seat clamps are sizes 34.9 or 36.4mm. Which size would fit?

    (I don’t like the plastic zip-tie thingy which comes with the Reverb!)

    Any help is much appreciated 🙂

    Posted 9 years ago
    breadcrumb
    Full Member

    External seat tube size.

    Posted 9 years ago
    white5pot
    Full Member

    As easy at that, so obvious really! Thank you breadcrumb 🙂

    Posted 9 years ago
    breadcrumb
    Full Member

    No problem 🙂

    Posted 9 years ago
    therevokid
    Free Member

    clamp size is measured at the frame. One of my road bikes has a 31.6 mm
    post and a 34.9 mm clamp

    get a vernier caliper and measure across the seat tube with your current
    clamp removed.

    Posted 9 years ago
    deadkenny
    Free Member

    It also might be marked on your current clamp. But not always.

    Posted 9 years ago
    lerk
    Free Member

    34.9 according to Intense…

    http://intensecycles.co/t275/wp-content/uploads/2014/09/Carbine-275_Tech.jpg

    Posted 9 years ago
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