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  • Hello all,
    I have installed a carbon fork (Columbus minimal), one inch carbon steerer this afternoon.
    I didn't cut (yet) the steerer, because it's a big frame and I'll wait to ride the bike before making decisions. If it turns out I don't need to cut, is there a maximum recommended amount of carbon steerer above headset, beyond which it could crack and I end up my face on the ground?

    Other question is, because I'm using a steel stem, the carbon campag stem cap looks too wide (because it's meant to align with alloy stem). Can it be sanded down (mounted on a drill, to do a regular job) or will it disintegrate? I used a bit of 1-1/8 steerer as a spacer, which works perfectly and aligns nicely with the stem unlike alloy or carbon spacers, just have to polish it to match.

    Final question: this is my first experience with carbon steerer. I bought a special thingy in place of the star nut, but should assembly be made with a special grease (like the one I'd use for carbon seat post?)


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  • Mdcc tester would do you a noice custom steerer cap

  • Re max spacers I recall 1 inch for 1 inch steerer is a good rule of thumb.
    ie 25mm.
    l see the tandem is still hanging up in Vaz!

  • is there a maximum recommended amount of carbon steerer above headset, beyond which it could crack and I end up my face on the ground?

    The limit for spacers above the stem is knocking your teeth out on the top cap. The steerer won't break unless you hit it with such force that it is the least of your worries.

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