Questions about purchasing bicycles and parts
17 posts • Page 1 of 1
Is the advantage of CF seatposts purley weight or do they offer a more comforatable ride.
paring with $100 Plus for a seatpost seems alot although some alloy post apprach similar levels
Vibration reduction is the main benefit of CF seat posts. Plus there's the bling factor ....
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Last edited by MountGower on Tue Feb 15, 2011 7:58 pm, edited 1 time in total.
... making your soft bits hard and your hard bits soft ....
I may like a carbon bike but I put a thomson post on and ditched the carbon one....would have like to have known it would last but I knew the thomson would.Unlike the two rims that have gone in the last month...both less than a year old!.
Has anybody heard of them breaking? Just curious - my main bike doesn't have a seat post .....
Can't remember the circumstances but a bent rider won a prize - a seat post.
A helmet saved my life
That's the sort of prize I'd win. My father's girlfriend nearly always gave me aftershave for Christmas, even though I had been wearing a beard for the whole time she knew me. A seat post would complete the showbag of useless presents .....
Had my hands on lots of broken carbon frames
Not many posts though
Just for the record - maybe 90% of the broken frames/posts were not the manufacturers fault - but the idiots riding them
There's not a lot of weight saved in a seat post - modern alloy ones are pretty good to start with. Put a good saddle on and the post is irrelevant. Trouble is, the modern plastic bodied platform isn't a working definition of a good saddle.
I like Mike's thinking though - keep what came with the bike. Having to buy seat posts annoys me as it's something the manufacturer should get right in the first place.
I had a good bike ... so I fixed it
My CF post hasn't broken yet, touch wood.
It came with the bike, I was dubious at first but Mikes words on this thread convinced me to stick with it.
I had a question on durability but it seems to be going OK since then.
I'm not gonna call the comfort factor, my last time on a roadie was an old steelie 20 odd years back.
Honestly, if you're not comfortable with a plastic pipe holding your saddle up, go with ally, AFAIK the weight penalty is miniscule, and would be far outweighed by your peace of mind.
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
London Boy 29/12/2011
Perhaps the design of the post and the material of the frame itself makes a difference.
On my aluminium alloy bike, the difference between the stock alloy seat post and my CF post (Specialised Pave Advanced) is absolutely night and day. In fact, I was surprised that it could make such a difference. Looking at reviews though, it seems that people with carbon fibre frame bikes notice much less of an improvement.
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
I had a specialized set post on my cytek,it was ok..can say i noticed any comfort improvement over the previous post..but i had to take it off and replace it with a thomson set back turned around the wrong way when i went for a bike fit...i needed my position way forward as it turned out the seat post angle was too relaxed on the larger frames.The specialized pave post was nearly double the weight of my thomson.My System six came with a carbon post but it was a super light Alien model so I went with the thomson again,it is a pity harsh ride as the rear triangle is alloy and the front carbon and super stiff...It dosent seem to bother me too much even on big rides.I think 99% of people would be fine on carbon posts,I only know of one breaking,but then i have broken/bent at least 10 alloys ones (on mtb's).I can see the alloy one flex quite a bit when in the saddle powering it....but I have faith
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