I'm looking at getting a CAAD9. I've read that unlike steel or carbon, aluminum will eventually fatigue and fail. How long would this likely take? Is it the kind of thing where it could realistically fail in 5 years, or is it the kind of thing where it would take 50 years of hard riding to fail?
ahh jeez. propaganda, or should i say its a prejudice against alu from the carbon and steel folks... any decent design will not see this be a factor in your lifetime...
anyways, u said u're looking at a caad9. lifetime warantee. Ride it and be happy.
ahh jeez. propaganda, or should i say its a prejudice against alu from the carbon and steel folks... any decent design will not see this be a factor in your lifetime...
anyways, u said u're looking at a caad9. lifetime warantee. Ride it and be happy.
I've had my CAAD4 R800 since 2002. Since then, I've averaged about 2,000-2,500 miles per year. It's had a close encounter with the top of my garage on my car roof racks and it's still rolling. After so long, I still smile at the brute acceleration of my CAAD4.
There's no reason the bike shouldn't last for many years, if properly used and maintained. Have no fear of buying aluminum, especially from a company that specializes in manufacturing bikes with it.
It may be true for pure aluminum (which is never used for bikes) or early alu-based alloys but current alloys are pretty durable... and from a company that has so many years of experience with the material like Cannondale? Not a concern IMO...
Barring design/manufacturing flaws...frames of any material will generally last until broken or wrecked in any episode that exceeds the capacities they are originally designed for....
unfortunately most human bodies will (like carbon) catastrophically fail when crashed and over time *fatigue* much faster than a CAAD:
Here here! I am a happy current owner of a CAAD4 r800 and have ridden it hard for 3 years (commuting and recreation) prior to that it was owned by a Good fellow at our best LBS Smoothcycle. I can't imagine he did not ride the balls off it.
Still going strong.
I have and further intend to upgrade parts but don't really feal the need for a new frame.
geez, guys, if you debunk the aluminum fatigue myth then how will you justify the purchase of a new frame to your significant others? i mean, "catastrophic failure" went along way to getting me on the saddle of a new system six.
geez, guys, if you debunk the aluminum fatigue myth then how will you justify the purchase of a new frame to your significant others? i mean, "catastrophic failure" went along way to getting me on the saddle of a new system six.
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Originally Posted by wankski
