• Why isn't it used more often?

    Rolf patent. AFAIK Shimano licensed it for a while, but the benefits are not huge and if you use it everybody just thinks you're using Rolf wheels :-)

  • H3 was way faster

    I don't think anybody suggests that the Rolf can compete with a Hed3, it's for people who struggle with the H3 or other deep wheels in cross winds.

  • Great.. Thanks for the info. Have you tested flo 30 or zipp 101 (......or pacenti sl 23, velocity Quill, dt r460, kinlin xc279...0oO...... === 24mm wide x 24-30mm high rounded profile).

    Any of the newer aeroish alu rims?

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