Is this carbon fiber?
08-17-09, 05:55 PM
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Is this carbon fiber?
Was doing some maintenance on my bike this past Saturday and when I pulled my seat post to lubricate it this is what I saw. Does it look like carbon fiber?
I feel like I got ripped off. I thought I was buying a carbon seat post. What should I do if anything?
I feel like I got ripped off. I thought I was buying a carbon seat post. What should I do if anything?
08-17-09, 06:00 PM
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That aluminum inside with a carbon wrap. Fairly common.
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08-17-09, 06:01 PM
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Actually you can't really tell from that picture. Often times the "weave" is only on the outside. Although it is certainly not uncommon to have carbon-wrapped alu.
OP, what make and model post is it and why did you think it was a full carbon post? Did it say that it was or did you just assume because it looked like carbon?
OP, what make and model post is it and why did you think it was a full carbon post? Did it say that it was or did you just assume because it looked like carbon?
08-17-09, 06:17 PM
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Running on plenty
CF wrap...typically done to market alum. posts as better than they are. Decorative.
08-17-09, 06:27 PM
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Sometimes higher-quality CF will look like that, i.e. be all perfect and smooth on the inner surface, but if your bike cost less than $4K or so and the seatpost came with it, it's almost certainly carbon-wrapped aluminum.
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Last edited by DrPete; 08-17-09 at 06:31 PM.
08-17-09, 06:28 PM
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from those photos, i believe that you have a full carbon post.
08-17-09, 06:33 PM
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well shucks
Actually you can't really tell from that picture. Often times the "weave" is only on the outside. Although it is certainly not uncommon to have carbon-wrapped alu.
OP, what make and model post is it and why did you think it was a full carbon post? Did it say that it was or did you just assume because it looked like carbon?
OP, what make and model post is it and why did you think it was a full carbon post? Did it say that it was or did you just assume because it looked like carbon?
that is what I thought. very frustrating.
08-17-09, 06:34 PM
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So you are chosing to ignore the other posts that say it may still be carbon? Touch it, does it feel like metal inside? Unfinished unidirectional carbon looks and feels more like plastic (or to some degree, wood), than metal.
What bike is it?
What bike is it?
08-17-09, 06:38 PM
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well
Thanks it cost a lot less than $4k. approximately $700 last years model!
08-17-09, 06:43 PM
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no but...
It is a 2007 Scott S40 speedster. bought it in april of 08 and have put 1268 miles on it.
08-17-09, 06:43 PM
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I wouldn't sweat it. At that price point CF-wrapped carbon is less likely to break or cause you some problem.
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08-17-09, 06:45 PM
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Really?
Take a screw driver and lightly tap it on the inside, see if sounds like you're hitting aluminum or carbon.
Take a screw driver and lightly tap it on the inside, see if sounds like you're hitting aluminum or carbon.
08-17-09, 07:01 PM
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My stock Bontrager looked like that, it is full carbon though, just not the cosmetic weave all the way through, most carbon bikes (if any) aren't the weave the whole way through, just the top layer.
08-17-09, 07:27 PM
#22
Bike ≠ Car ≠ Ped.
... then it must float, which means that it's made of wood... and, therefore, a witch!
OP, I wouldn't sweat having a carbon-wrapped aluminum seatpost. Maybe there's a placebo effect of the carbon layer dampening vibrations slightly, but I can't tell the difference between the same kind of OEM post and a plain aluminum one. At least you won't have to worry so much about over-torquing the seat tube collar and crushing it.
OP, I wouldn't sweat having a carbon-wrapped aluminum seatpost. Maybe there's a placebo effect of the carbon layer dampening vibrations slightly, but I can't tell the difference between the same kind of OEM post and a plain aluminum one. At least you won't have to worry so much about over-torquing the seat tube collar and crushing it.
08-17-09, 08:46 PM
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i have enjoyed riding it. I get compliments on the bike when I meet guys out riding on their full carbon bikes.
What or when would any of you guys recommend upgrading bikes?
I tend to hang on to things a while but I was in the lbs and picked up a CAAd 95 and Madone and was like whoa they are light.
any thoughts? although I am probably more interested in upgrading my mountain bike since it is much older. (see Signature)
What or when would any of you guys recommend upgrading bikes?
I tend to hang on to things a while but I was in the lbs and picked up a CAAd 95 and Madone and was like whoa they are light.
any thoughts? although I am probably more interested in upgrading my mountain bike since it is much older. (see Signature)
