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  1. #1
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    Road rim or touring rim?

    I'm building a new set of wheels which will be general purpose for my cross, commuting, light touring, nasty weather road riding bike. Do I go with a regular width road rim like the mavic CXP22, or should I go with a wider and heaver rim like the A719? I want to be able to run 32mm wide tires. I already have a road bike with light wheels/narrow tires for the good pavement / fast rides. It there a benefit to the wider rims or is it just extra weight with no benefit? Your thoughts and advice are much appreciated.

    Shane

  2. #2
    Eternal NooB threeflys's Avatar
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    A set like these will be all you need... (I have a set just like these on my cross bike)
    http://serotta.com/forum/showthread.php?t=57612
    If you have a problem, if no one else can help, and if you can find them, maybe you can hire the A-Team.

    Litespeed Xicon with Campy Chorus 11sp/DT Swiss
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  3. #3
    Senior Member mijome07's Avatar
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    ^He meant these.^ I actually thought about getting them too. For touring/bikepacking, I'm going with Mavic A719's.

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    Velocity Synergy is lighter and wider than the CXP22, and even better comes in an off-center extrusion for a practically dishless rear wheel. Retrogrouch-approved by both Grant Petersen and Peter White. You can find them in wheelsets if you do a bit of looking, maybe not quite as inexpensive as the typical Open Pro/Shimano deal, but significantly better for your purposes atmho.

  5. #5
    Team Beer Cynikal's Avatar
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    There is much truth in the above post. Also, most people equate wheel strength to a wider or deeper rim. Most of the strength of a wheel comes from the spokes. On a standard geared hub there is a significant amount of dish to compensate for the cassette. This places most of the tension and load on spokes on the drive side. An off-center rim equalizes the tension between the drive side and non-drive side, thus a stronger wheel.
    I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC

  6. #6
    Senior Member mijome07's Avatar
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    Quote Originally Posted by flargle View Post
    Velocity Synergy is lighter and wider than the CXP22, and even better comes in an off-center extrusion for a practically dishless rear wheel. Retrogrouch-approved by both Grant Petersen and Peter White. You can find them in wheelsets if you do a bit of looking, maybe not quite as inexpensive as the typical Open Pro/Shimano deal, but significantly better for your purposes atmho.
    Quote Originally Posted by Cynikal View Post
    There is much truth in the above post. Also, most people equate wheel strength to a wider or deeper rim. Most of the strength of a wheel comes from the spokes. On a standard geared hub there is a significant amount of dish to compensate for the cassette. This places most of the tension and load on spokes on the drive side. An off-center rim equalizes the tension between the drive side and non-drive side, thus a stronger wheel.
    Thanks for the information guys. I'm gonna look into getting some of those built.

  7. #7
    Eternal NooB threeflys's Avatar
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    Quote Originally Posted by mijome07 View Post
    ^He meant these.^ I actually thought about getting them too. For touring/bikepacking, I'm going with Mavic A719's.
    no, I actually meant the ones I linked.... great deal with strips/tubes/tires. No relation to seller, just thought the OP might appreciate a good deal.
    If you have a problem, if no one else can help, and if you can find them, maybe you can hire the A-Team.

    Litespeed Xicon with Campy Chorus 11sp/DT Swiss
    Salsa Las Cruces Cross with Chorus 10sp/Ksyrium SL
    Kona Fire Mountain

  8. #8
    Eternal NooB threeflys's Avatar
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    Quote Originally Posted by mijome07 View Post
    Thanks for the information guys. I'm gonna look into getting some of those built.
    I have a set of 650b Synergys that were built by Rich at Rivendell and I have no complaints at all...
    http://handsonwheels.com/
    If you have a problem, if no one else can help, and if you can find them, maybe you can hire the A-Team.

    Litespeed Xicon with Campy Chorus 11sp/DT Swiss
    Salsa Las Cruces Cross with Chorus 10sp/Ksyrium SL
    Kona Fire Mountain

  9. #9
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    Thanks for the response all. I'm pretty sure it's Ultegra hubs - just need to decide if it's A719s or the Velocity rims now - i'll do some more reading.

  10. #10
    Senior Member Shimagnolo's Avatar
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    Quote Originally Posted by flargle View Post
    Velocity Synergy is lighter and wider than the CXP22, and even better comes in an off-center extrusion for a practically dishless rear wheel. Retrogrouch-approved by both Grant Petersen and Peter White. You can find them in wheelsets if you do a bit of looking, maybe not quite as inexpensive as the typical Open Pro/Shimano deal, but significantly better for your purposes atmho.
    +2 (I have them on two bikes)

    I have a set on my road bike with O/C in the rear, and 28mm Gatorskins.
    With a Campy 10s hub the NDS spoke tension would have been at 44% (compared to DS), but with the O/C rim they are at 66% tension.

    I have a set on my cyclo/tour bike with O/C in the rear, and 32mm Marathon Supremes. The rear hub is a Shimano-compatible Phil Wood 9s with larger NDS flange. Thanks to the O/C rim, the spokes are all the SAME length, and the NDS tension is ~80% of DS!

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