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aluminum w/ carbon seat stays vs all aluminum

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Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

aluminum w/ carbon seat stays vs all aluminum

Old 08-27-11, 09:22 PM
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theblackbullet
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aluminum w/ carbon seat stays vs all aluminum

Well, halfway through my ride today, I was mashing up a hill and heard a loud pop. My rear wheel felt a little squirly, so I thought, "Oh great, a flat." Well I stopped and checked on the rear tire. Still inflated. Cool. Wiggle the wheel and see the seat stay move. The drive side was cracked right before the drop out.

So now I am in the market for a new frame. I don't have a lot of money due to college, so I am trying to stay inexpensive on the frame. The nashbar road frames have caught my eye. I've read a lot of good reviews on them, but I'm kind of curious how the all aluminum frame compares to the alu w/ carbon frame. Ride quality isn't honestly a concern, but how should the stiffness compare? Which bike will provide better longevity? In your opinion are the carbon stays worth the additional $75?
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Old 08-27-11, 11:11 PM
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No, it is not worth the extra $75. Specially if you are on a budget. I have an older Fuji with carbon seat stays...doesn't ride any differently from the all aluminum Fuji...at least in my experience.
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Old 08-27-11, 11:38 PM
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save the 75 bucks.
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Old 08-28-11, 12:48 AM
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Stick with the full aluminum frame
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Old 08-28-11, 01:11 AM
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They have been know to crack
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Old 08-28-11, 07:53 AM
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I was recently shopping for a cheap AL frame and looked at the Nashbar. I passed because they have unusually short top tubes in relation to their head tubes. If you want something similar but with less upright geometry look at these:

https://www.pricepoint.com/detail/225...Road-Frame.htm
https://bikeisland.com/cgi-bin/BKTK_S...ls&ProdID=1254
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Old 08-28-11, 08:52 AM
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thanks for the input, guys. I was leaning towards the all aluminum frame anyways due to price.


@canam, the sette catches my interest, but I don't believe the nashbar geometry is too far off of what I've already been riding. My 59cm Lemond has 56.2cm tt and the nashbar 60cm has 56.5cm tt.
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Old 08-28-11, 11:12 AM
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was it your Lemond that broke? Is the stay carbon?
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Old 08-28-11, 11:49 AM
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I have both the all aluminum and the aluminum / carbon seat stay version of the Nashbar frame, both in 58 cm. The all aluminum weighs 3.66 lbs, with cable guide, RD hanger, and cage bolts installed. The alum / cabon weighs 3.44 lbs in the exact same condition. I just built the alum / carbon stay version, and have less than 100 miles on it, but I can say it does ride more smoothly than the all aluminum, with no perceptible loss of stiffness. I didn't think the all aluminum was harsh, and routinely put 75 to 100 miles on it, but it does seem that the carbon rear end transmits less "buzz" from the road surface.

They are short for their height, and the paint chips very easily on both. I got the all alum for $80 + shipping, and the alum / carbon for $120 + shipping. Play the sales with them.
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Old 08-28-11, 02:04 PM
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and it just so has it that an older cannondale frame has popped up on craigslist in my size. hmmmmm...

Originally Posted by 531Aussie View Post
was it your Lemond that broke? Is the stay carbon?
It was the Lemond. No carbon. Reynolds 520 steel.

Originally Posted by RollCNY View Post
I have both the all aluminum and the aluminum / carbon seat stay version of the Nashbar frame, both in 58 cm. The all aluminum weighs 3.66 lbs, with cable guide, RD hanger, and cage bolts installed. The alum / cabon weighs 3.44 lbs in the exact same condition. I just built the alum / carbon stay version, and have less than 100 miles on it, but I can say it does ride more smoothly than the all aluminum, with no perceptible loss of stiffness. I didn't think the all aluminum was harsh, and routinely put 75 to 100 miles on it, but it does seem that the carbon rear end transmits less "buzz" from the road surface.

They are short for their height, and the paint chips very easily on both. I got the all alum for $80 + shipping, and the alum / carbon for $120 + shipping. Play the sales with them.
cool, nice to hear from someone who has owned both. Right now the all alum is at $75.
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Old 08-28-11, 02:16 PM
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Why settle for aluminum. Carbon prices have dropped so much that you don't need to settle anymore.
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Old 08-28-11, 03:05 PM
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Originally Posted by markwebb View Post
Why settle for aluminum. Carbon prices have dropped so much that you don't need to settle anymore.

is it possible to find a new carbon frameset for less than $150?
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Old 08-28-11, 03:26 PM
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The Specialized Sirrus with carbon stays rides much smoother than the aluminum frame Sirrus. I've spent time on both.
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Old 08-28-11, 03:59 PM
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I wait for Nashbar to have their 20% off sales and scoop things. It is how I got the carbon stay / Alum for $120 + shipping. Having both, neither is bad, but the white is awful hard to keep clean. Even if they rode exactly the same, I'd be tempted to get the carbon stays just so chain lube doesn't stand out like it does on the all white alum.

I have never seen carbon frames for sale for this little. I got a carbon fork with the first all alum frame for $62, so frame and fork were $140ish + ship. Awfully hard to top.

Carbon rear version



All alum version
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