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Wheel choice for G3 PowerTap hub

  • 26-09-2013 1:31pm
    #1
    duffyshuffle
    Registered Users, Registered Users 2 Posts: 767 ✭✭✭


    I had a Cosmic with a G3 hub built in to it that has had problems with the spokes.

    I want a wheel to train on all the time, and then to add a disc cover to for TT-ing, and see DT or Mavic Open Pro seem to be the recommendations. Has anyone done this or can anyone recommend a wheel for it?

    Thanks


Comments

  • #2
    uphillonly
    Registered Users, Registered Users 2 Posts: 289 ✭✭uphillonly


    duffyshuffle wrote: »
    I had a Cosmic with a G3 hub built in to it that has had problems with the spokes.

    I want a wheel to train on all the time, and then to add a disc cover to for TT-ing, and see DT or Mavic Open Pro seem to be the recommendations. Has anyone done this or can anyone recommend a wheel for it?

    Thanks

    Bee Cycles (Dublin) built my G3 on an Open Pro just over a year ago. No spoke issues to date although I've never had spoke issues on any wheels. I'm 68-75 kgs (depending on time of year, no prizes for guessing which month I hit 75).

    Mine is a 28 spoke rather than the more normal 32. Purely due to rush to get an in stock G3 rather than any informed decision.


  • #3
    niceonetom
    Registered Users, Registered Users 2 Posts: 4,833 ✭✭✭niceonetom


    Recently I've been riding some of the newer wide-profile rims and am converted. They're definitely more comfortable at the same pressures (though it is claimed you can run lower pressures and not increase rolling-resistance) and, when used with a suitable tyre, they're supposedly more aero than a rim of similar depth with a narrower rim.

    Kinlin XC-279 are 27.9mm deep, 23mm wide and weigh about the same as an OpenPro. They have no eyelets so might not last as long but they're relatively cheap to a new rim every couple of years shouldn't be big deal.

    Alternatively the Velocity A23 does the same thing but is a bit shallower (and more compliant if that matters).

    There are other similar rims on the market from Pacenti and HED. I'd consider those too though they are more expensive.


  • #4
    doozerie
    Registered Users, Registered Users 2 Posts: 4,830 ✭✭✭doozerie


    I built a Powertap (non G3 hub) up with an Ambrosio Excellight SSC rim several weeks ago, it's early days yet but I'm happy with it so far. I did have an issue with a high spot on the rim where it is joined, which would have required more spoke tension than I was willing to live with to flatten out so there remains a bit of a high spot there. I've read only good things about this rim though (some consider is on a par with Open Pro, some consider it better) so perhaps this particular rim was just from a bad batch so I'm assuming it's not representative. In all other respects I like the rim (and have become less of a fan of Open Pro rims over the years) and I'll be using one again soon for another wheel.

    I had originally planned to use an Ambrosio Excellence rim, which I believe has a thicker braking surface and is heavier, but I got the Excellight for a good price (from www.bike24.com) so went with that instead as I wanted to race on the wheel as well as train on it. If I was heavier I'd probably have done for the Excellence, but I reckon my meagre weight won't challenge the Excellight.


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