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  1. #26
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    i have the Control Tech Carbon M post. there is noticable deflection. Then againI am a clyde

  2. #27
    Fat & Single
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    Syntace HiFlex

    Awesome seatpost !
    Ti O'Beast
    Indy Fab
    One9
    Dirty Disco CX

  3. #28
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    Quote Originally Posted by TiGeo View Post
    Can someone compare/contrast the Syntace and the Niner? They both are about the same price and supposedly have hi-flex characteristics.
    Have both, cant tell the difference.

    If your looking for a 31.6 rdo post I've got a brand new moondust one that I'd consider selling.

  4. #29
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    Quote Originally Posted by GTR2ebike View Post
    Have both, cant tell the difference.

    If your looking for a 31.6 rdo post I've got a brand new moondust one that I'd consider selling.
    How much for the RDO post? I need one...email me

  5. #30
    It's carbon dontcha know.
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    Quote Originally Posted by 92gli View Post
    Syntace has a 10 year warranty and a generous crash replacement policy. Thats good enough for me.

    I would already have an eriksen post if it used the thomson style clamp. I had a bontrager post with the style clamp he uses on one of my bikes a few years ago and bent the ti rails on a nice seat the first day out. Not enough support. Probably not be an issue if you use a seat with solid cro-mo rails.
    I've had the Eriksen on my Lynskey for a few thousand miles, definitely happy with it
    Rolling on 29", 650b, 8.3" and 23mm

  6. #31
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    I have Syntace P6 HiFlex on my hardtail...love it. Made a pretty big difference coming from stock post. You can definitely feel it flex under there which is what I wanted. The 10 year warranty truth be told is what sold me over the Niner.

    That being said, bought the new RDO handlebar, also a thing of beauty.

  7. #32
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    Got the Niner RDO and rode today. Sick. Really works. Back/body noticeably less fatigued after ~1 hour ride. Kills the roots etc. My comparison is to the stock Specy post which I thought flexed a lot. I think its combo of flex AND vib dampening. Anyway, highly recommend. Has a 5 year warranty..who keeps there stuff that long anyway?
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  8. #33
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    I am in the process of switching to a carbon setpost also. I say process because the seat post keeps on moving on me when I am out on the trail. The LBS has narrowed the problem down to the grease from the previous seatpost needs to be cleaned out more. So make sure you clean out the grease from the previous seatpost.

    As far perfermonce, I did notice the ride was a bit smoother.

    Goood Luck!
    2012 Specialized Stumpjumper EVO HT 29er

  9. #34
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    Quote Originally Posted by TiGeo View Post
    Got the Niner RDO and rode today. Sick. Really works. Back/body noticeably less fatigued after ~1 hour ride. Kills the roots etc. My comparison is to the stock Specy post which I thought flexed a lot. I think its combo of flex AND vib dampening. Anyway, highly recommend. Has a 5 year warranty..who keeps there stuff that long anyway?
    I noticed same with my A9C SS.

  10. #35
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    I purchased Hylix carbon seatpost off ebay lasy November have put a 1000 miles on it this year and its held up great! I think I paid about $40 for it including shipping. Great flex to help smooth out the rough stuff on my Niner Air9 HT.

  11. #36
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    I just got one on my Jet RDO. So far, so good. Niner carbon seems to be of excellent quality.

  12. #37
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    Does the Niner Carbon Post have the same flex characteristics as the Carbon RDO post?

    It looks like the only difference is the clamp (and the associated lighter weight).

  13. #38
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    Third ride on the RDO...again, definitely more compliant than the stockers aluminum one that came on my bike. I am going to be anal and follow the install directions (I was in a hurry when I got it to ride) by applying a carbon paste but so far it hasn't slipped. I cleaned out the seat tube pretty well but will actually degrease it when I apply the paste. So far, I would say it was worth the price over standard carbon posts out there.
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  14. #39
    West Chester, PA
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    Quote Originally Posted by LeonD View Post
    Does the Niner Carbon Post have the same flex characteristics as the Carbon RDO post?
    Nope. It's a different post. The RDO has varying wall thickness to give it more flex. I've had the syntace version for a bit now and it really does help a bit with back fatigue on longer rides.

  15. #40
    West Chester, PA
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    Quote Originally Posted by TiGeo View Post
    I am going to be anal and follow the install directions (I was in a hurry when I got it to ride) by applying a carbon paste but so far it hasn't slipped.
    Does niner advise using paste ? Syntace actually says to clean out grease and spray a small amount of silicone spray in the seat tube. Carbon paste not recommended because it accelerates wear of the outer finish.

    Anyway... I just installed mine dry and it hasn't moved a bit.

  16. #41
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    ^^^ Yes, they recommend it in their owner's manual.
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  17. #42
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    I have the RDO post on my rigid Niner One9. No complaints so far.

  18. #43
    Got A Lust for Life...
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    I've had a Niner post now for a full season on Tallboy. Love it!
    I am immune to your disdain.

  19. #44
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    Those of you riding either the hi-flex or RDO on FS, do you think it's a noticeable difference to a non-flex post?

    I'm looking for a new post for my Spec Epic from the stock and was looking at these vs the Thomson Masterpiece. Thomson is about $40 less (on Amazon) and a wee bit lighter. Not sure if the flex would really do much for a carbon FS?

    Thanks

  20. #45
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    I just don't get how you would notice the small amount of flex/deflection on a FS...I would save my money and just get either a 1) nice al post like a Tompson or 2) a cheaper carbon post.
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  21. #46
    West Chester, PA
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    Yeah, Like tigeo says - kind of no point. But if you ever build a hardtail, get one ! One of the better bike part buys I've ever made.

  22. #47
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    Quote Originally Posted by TiGeo View Post
    Can someone compare/contrast the Syntace and the Niner? They both are about the same price and supposedly have hi-flex characteristics.
    I've read up on these recently, so that's all I can pass on.

    Both are one piece, that is, the head is not bonded to the stem.
    Both flex over the length of the post.
    Weights are comparable
    Niner states the max forward/aft flex of the RDO to be 8mm
    Syntace doesn't say how much forward/aft flex

    One report on the Syntace stated 5mm flex in response to a weight, but didn't say how much the weight was.

    BikeRadar said 1 to 2 cm, but that seems excessive.

    I've seen the Syntace as low as $160, the RDO no lower than $198.
    Use it, use it, use it while you still have it.

  23. #48
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    If you see it again for $160 post the link please.

  24. #49
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    Quote Originally Posted by limba View Post
    If you see it again for $160 post the link please.
    Ooops, take it back. That's an older bonded version.

    Treefort, eBikestop and Jenson have it for $180-185, though
    Use it, use it, use it while you still have it.

  25. #50
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    The syntace (which I have) has a longer bottom perch for the seat rails, which offers better support for ti and carbon rails. Syntace also has a 10 year warranty and a crash replacement deal. I've read the actual carbon layup is identical and done in the same factory as the niner post.

    The syntace 30.9 can be had on amazon for $166 shipped (from speedgoat).

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