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Thread: Seatpost debate

  1. #1
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    Seatpost debate

    Had an AL frame crack that I was running a 31.6mm race face carbon post on it. I'm replacing the frame with a steel frame that has a 27.2mm seatpost. I'd like to run a carbon post (prolly another Race Face, loved it) to keep the weight down and make the already smooth ride even smoother. My only concern is that running a carbon post will be TOO flexy. I'm 6'2" 235lbs riding a 19" frame, so theres some seatpost exposed, not a ton, but enough. I know the steel frame will ride well, regardless of the seatpost used. I'd prefer the carbon, but would it be better to run a nice AL post? Thoughts?

  2. #2
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    If you're worried about Flex get a Thomson... Light and ridiculously strong

  3. #3
    Former Bike Wrench
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    Quote Originally Posted by sydneyV View Post
    If you're worried about Flex get a Thomson... Light and ridiculously strong
    This ^^^

  4. #4
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    Ended up going with a Race Face Next SL. Figure I'll get the smoothest ride I can.

  5. #5
    Dorkimus Prime
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    Quote Originally Posted by jcmtbfreak View Post
    Had an AL frame crack that I was running a 31.6mm race face carbon post on it. I'm replacing the frame with a steel frame that has a 27.2mm seatpost. I'd like to run a carbon post (prolly another Race Face, loved it) to keep the weight down and make the already smooth ride even smoother. My only concern is that running a carbon post will be TOO flexy. I'm 6'2" 235lbs riding a 19" frame, so theres some seatpost exposed, not a ton, but enough. I know the steel frame will ride well, regardless of the seatpost used. I'd prefer the carbon, but would it be better to run a nice AL post? Thoughts?
    I'm 5'11" and 250...ish...and have a carbon post in a 27.2 Misfit Dissent frame. Not too flexy. There is only 4 inches of post exposed though...

    I notice the FSA SL-K is only rated for 165 pounds though!!! Yikes!!!
    "I love being on a bike. It helps me feel free. I get it from my dad", by Guillaume Blanchet

  6. #6
    Time for my mud bath...
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    Adjustable posts for clydes...???

    First Post. I have finally joined...

    I bent my stock Ritchey post at the end of last season. Now looking for a replacement.

    I am 6'-2" 290lbs. I ride a 20" Jamis Dakota 29er.

    Does anyone have experience with adjustable seat posts for riders in my range?

  7. #7
    Fat boy Mod Moderator
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    Quote Originally Posted by jcmtbfreak View Post
    Had an AL frame crack that I was running a 31.6mm race face carbon post on it. I'm replacing the frame with a steel frame that has a 27.2mm seatpost. I'd like to run a carbon post (prolly another Race Face, loved it) to keep the weight down and make the already smooth ride even smoother. My only concern is that running a carbon post will be TOO flexy. I'm 6'2" 235lbs riding a 19" frame, so theres some seatpost exposed, not a ton, but enough. I know the steel frame will ride well, regardless of the seatpost used. I'd prefer the carbon, but would it be better to run a nice AL post? Thoughts?
    what frame was it?... how much post was in the frame? any pics?

    sorry nothing good beyond an echo of "thomson" if you want strength....
    - Surly Disc trucker
    - '82 trek 560 roadie

  8. #8
    LightJunction.com
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    Quote Originally Posted by sydneyV View Post
    If you're worried about Flex get a Thomson... Light and ridiculously strong
    Couldn't have said it better.
    We sell quality bike headlights and flashlights.
    www.LightJunction.com

  9. #9
    Former Bike Wrench
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    As a lighter clyde (most I've weighed is about 235lbs, currently 215lbs) I have broken two carbon posts that I have had on hardtails. Never an issue on my road bike or on a full suspension but I will not use them on hardtails anymore.

  10. #10
    Fat boy Mod Moderator
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    ... I just ordered me a thomson setback for my new bike... I don't want to play with anything less ;-)...
    - Surly Disc trucker
    - '82 trek 560 roadie

  11. #11
    Time for my mud bath...
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    I hear ya... Much as I'd like an adjustable post, I will probably go with a Thomson as well.

    Good riding.

  12. #12
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    Quote Originally Posted by Big Willy View Post
    First Post. I have finally joined...

    I bent my stock Ritchey post at the end of last season. Now looking for a replacement.

    I am 6'-2" 290lbs. I ride a 20" Jamis Dakota 29er.

    Does anyone have experience with adjustable seat posts for riders in my range?
    I run a 31.6mm RS Reverb. I have had it for 3 months now, over 200 miles on a trek Scratch Air 9. I weigh 325lbs with no issues to speak of.

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