Light Seatpost with Vertical Clamp?- Mtbr.com
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  1. #1
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    Light Seatpost with Vertical Clamp?

    I just got the new WTB saddles with the carbon rails and unfortunately they don't work with my Crankbrothers Cobalt 11 seatposts. The rails are not round, they're "taller" and kind of flattened or pinched in from the sides so they can only work with a saddle clamp that comes from the top and bottom. Seems like most lightweight saddles I've looked into have a "wedge" type clamping system now which approaches from the sides. Was hoping to still have a sub 200g (400mm) carbon post. Looked at the Shimano Pro XCR but that seems to clamp from the sides too.

    Anyone recommendations? Thanks.
    Husband - Dad - Bike Racer - Race Director

    Clipped In Races

  2. #2
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    Per the Crank Brothers web site: "7 x 9mm rail clamp kits are available separately"

    ++ cobalt11 seatposts :: crankbrothers.com ++
    CyclingCentralVa.org

  3. #3
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    Quote Originally Posted by DavidR1 View Post
    Per the Crank Brothers web site: "7 x 9mm rail clamp kits are available separately"

    ++ cobalt11 seatposts :: crankbrothers.com ++
    Thanks, I hadn't seen that before.

    The WTB carbon rails are 7x9mm but they are kind of flat on the side. WTB says that they should have a top/bottom clamp. Still not sure if the 9mm CB adapter kit will work but I'll look into it.
    Husband - Dad - Bike Racer - Race Director

    Clipped In Races

  4. #4
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    Rotor?

  5. #5
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    I'm a member of NSMBA and IMBA Canada

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