cole28
Reged: 26/08/2008
Posts: 1
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as a fairly novice cyclist would I notice the difference between the three options over roughly 30-40 miles on country lanes?
I am looking for a new bike and can't afford the full carbon options, so I was wondering whether to get a full alu bike with better gear(with the possibilty of upgrading to a carbon seat post) spec over one that is a carbon/alu mix but with slightly worse spec?
cheers for any help.
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bfergie
Reged: 19/04/2008
Posts: 1619
Loc: Wickerman land,Scotland
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Don't worry about the carbon seat post, you really wont tell much difference between it and alu/alloy, Carbon forks are the main improvement in comfort, I use alu/alloy wth carbon forks and carbon rear stays and find it smoother and more lively on the road than my full alu/alloy frame, I would go for the best frame, the groupset can be changed in time if you need to in time. Can you provide a link for each of your options so a proper opinion can be made since some high end alu/alloy frames are fantastic! There is rarely much in weight difference!
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VOTE PENGUIN!!!
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rover1971
Reged: 09/06/2008
Posts: 261
Loc: Aberdeen, Scotland
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Bfergie...is there anything you don't know about bikes? Your a cycle tech god! 
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Former Deeside Thistle loon!
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bfergie
Reged: 19/04/2008
Posts: 1619
Loc: Wickerman land,Scotland
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Yes..I don't know how to buy an expensive one without being murdered by the one in the house!! I have to build them bit by bit! I also fix bikes locally on wet days for extra earnings...great with lady shoppers....and their bikes!  
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VOTE PENGUIN!!!
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kieran
Reged: 11/07/2007
Posts: 494
Loc: currently in toronto.
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actually having just gotten my second titanium bike i can attest to the fact that IMO and experience, the geometry has a lot more to do with a frames comfort than what its made of.
the serotta has much more relaxed angles and a longer wheel base and the difference is very noticeable over my litespeed.
however the difference between my litespeed and my old cannondale alu frame really wasn`t all that big.
go figure
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bianchisattva
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Sly
Reged: 07/02/2008
Posts: 730
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Contrary to the technical God, I DID notice a big improvement fitting a carbon post after an alloy one. Much improved bump handling properties. However, I guess I may have had a cheap alloy post, so I might have noticed less difference had it been a highr quality post to start with.
Never used anything other than carbon forks so cannot comment on that, but I will be having a carbon rear triangle on new bike, so I'll be interested to see how that compares to the full alu frame experience.
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bfergie
Reged: 19/04/2008
Posts: 1619
Loc: Wickerman land,Scotland
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Then you broke it sly! Common problem, not with the seat posts but the person armed with the allen key!
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VOTE PENGUIN!!!
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Sly
Reged: 07/02/2008
Posts: 730
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Yes, I broke it. Now I have a carbon post with alloy top so even I cannot break it!
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bigoldsideofham
Reged: 23/12/2007
Posts: 1075
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Ive gotta say that alu with a carbon seatpost is a noticeable difference for me. I was crippled after an hour on my alu training bike even with a carbon addict fork prior to fitting the pro vibe carbon beauty. Now i can ride all day long without hurting my very dodgey back!
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