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Carbon, Aluminum or Ti Seatpost?(9 posts)

Carbon, Aluminum or Ti Seatpost?zeeno
May 5, 2002 8:47 PM
I just bought a Litespeed Tuscany Ti frame and I'm trying to figure out what seatpost to get. I've been considering carbon but I've heard that there is problems with slippage in the frame and crushing. I weigh 190#. I've also been looking at Ti. I would like a post that is lite and will give me a smooth ride. Any feedback would be great.
Thanx zeeno
It doesn't matterpmf1
May 6, 2002 4:52 AM
They all feel the same. Get the one that you think looks coolest, weighs the least, or has the most adjustment if you need that. I've got 2 bikes with carbon posts and never have problems with them slipping. They don't feel any different than aluminium posts. Titanium seems over priced.

FWIW, I think American Classic makes a great post. Its light, easy it install/adjust and cheap. My only complaint is that its a bit short (235 mm). If you have a lot of seatpost showing, it may be too short. This is not the case for most people.
re: Carbon, Aluminum or Ti Seatpost?DKF
May 6, 2002 5:01 AM
I've had no problems with slippage on my carbon posts, Campy and Serotta. They are very stiff though, definitely not the top comfort choice. Excellent choice if you have lots of post showing. You must also be very conscientious about torque values, they will crack.
Titanium can be very comfortable, they can also be quite flexible. You have to go quality(no American Classic): Campy, Litespeed, Serotta. Ti is a better choice for comfort.
Aluminum is so variable, they all are but aluminum specifically because it's low cost of manufacturing. There are some good Aluminum posts on the market: Thomson for example is ultra-stiff so would work well if you need a long post. The adjustability of it's clamp is also a BIG plus. Dura Ace is by far the best aluminum post on the market due to it's perfect butting, solid clamp, and impeccable finish. It's not harsh at all.
Am I long winded or what? Sorry, I'm ill and cannot ride so at least I can talk about it.
re: Carbon, Aluminum or Ti Seatpost?Jekyll
May 6, 2002 7:45 AM
Having had CF, Al and Ti posts I would say that any perceived comfort variation is simply a placebo effect. You may notice something if you ride a compact frame with a ton of post showing but with the little post exposed in a traditional frame the comfort is in your head.
I run USE Aliens simply because they are stupid light. I don't like the clamp or price on them. I've never had one slip (also run a CF in my LS HT and no slippage there either).
re: Carbon, Aluminum or Ti Seatpost?Clue
May 14, 2002 11:53 AM
I just joined today and was looking for a 25mm Seatpost for my upcoming purchase of a Look 381i....and Use is the only maker I can find outside of Look's hidious ergo post...Is the Use Alien that non user friendly....given the lousy clamp? Do you know of any other 25mm post's that are worthy?

thx much

Clue
re: Carbon, Aluminum or Ti Seatpost?John445
May 6, 2002 7:57 AM
Seatposts do matter.

I test rode a Specialized Sworks with the Campy Ti seatpost. The ride was so harsh I ruled this bike out. After riding a few more possible steeds, I asked the shop to put a CF seatpost from a TCR on the Specialized and gave it another whirl. What a difference, I rode a 5500 for 9 years and with this setup the only perceivable difference was blinding acceleration. The ride is quite similar to my OCLV. Needless to say I purchased the Sworks with the CF post.

John
re: Carbon, Aluminum or Ti Seatpost?JimP
May 6, 2002 11:16 AM
The CF crushing issue is when you have an internal wedge type binder bolt like on a Look or Aegis frame. The crushing can be prevented by using a seatpost like USE Alien with a shim. I don't understand what the slipping problem is since I haven't had that problem myself.
re: Carbon, Aluminum or Ti Seatpost?Clue
May 14, 2002 2:04 PM
Jim....is the Use Alien Carbon post too much of a pain to adjust and thus I should look at something else for my Look 381i? I noticed your earlier message back from Excel but I wanted your take on the overall useability, slippage etc that you may have experienced.

thx

clue
If Ti, use anti-sieze compound...PdxMark
May 7, 2002 1:04 PM
Ti-to-Ti is a ready-made sieze possibility. Some say grease is good enough, but what's a couple $ for more protection to avoid a nightmare. I have a Tuscany with Campy Ti post. Nice combo.