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

It's cracked.

Old 07-31-09, 04:38 PM
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mzeffex 
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It's cracked.

My first good road bike. My first carbon road bike. It came into the shop today, saw a little chip near water bottle bosses, asked boss about it, said its nothing to worry about. In the process of finding that, I found this crack straight through the chainstay on the non drive side. It wasn't even assembled yet .

Does carbon tend to fail easily, or should i expect years and years out of this bike? And yes, it is obviously warrentied, and i'll be getting a new frame tuesday, but it still is rather disappointing, and it is anything but reassuring.
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Old 07-31-09, 04:48 PM
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Carbon lasts a long time, my mountain bike is a carbon frame from 1997, its get beat on and is still going strong.
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Old 07-31-09, 04:54 PM
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My Allez Epic was built in 1991. Have ridden it over 50k-miles and have over 10-years of racing with numerous crashes (on 3rd fork). It's keeps on ticking...
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Old 07-31-09, 04:55 PM
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Well thats good to know. I mean, for $2200, rrrrrr. It was really dissappointing.
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Old 07-31-09, 05:07 PM
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what kind of frame?
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Old 07-31-09, 05:52 PM
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Probably a manufacturing defect. Or maybe the bike was damaged in shipping.

In my experience, carbon bikes are no more likely to fail during normal use than metal bikes with a similar weight.
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Old 07-31-09, 05:55 PM
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It is a Giant Defy Advanced 3. There was a hole in the box, I blame UPS.
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Old 07-31-09, 06:00 PM
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Originally Posted by mzeffex View Post
It is a Giant Defy Advanced 3. There was a hole in the box, I blame UPS.
Might want to start there then. I doubt Giant will replace it for free if UPS are to blame. It makes no sense.

Sorry about your new project though.
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Old 07-31-09, 06:04 PM
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Na, my boss called up Giant as soon as we noticed. They said they'd ship out a new one ASAP. Oh my god I'm so excited!
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Old 07-31-09, 06:20 PM
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Carbon fiber is a very strong material but it's tensile strength is directional, meaning it's very strong along the carbon axis, like 10 times of alloy. But that strength is not uniform. That's why you see carbon forks get sheared in half rather easily sometimes. I suspect that you were unlucky with the chainstay, the force applied by UPS mishandling happened just so, it cracked the frame. Just my guess.
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Old 07-31-09, 06:44 PM
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Alright. I don't want a frame failure, obviously. I can't wait to actually own a bike with 105 and ultegra!
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Old 07-31-09, 07:45 PM
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Originally Posted by DannoXYZ View Post
My Allez Epic was built in 1991. Have ridden it over 50k-miles and have over 10-years of racing with numerous crashes (on 3rd fork). It's keeps on ticking...
Intersting -- I didn't know Specialized sold carbon back then. Who made them?
Is it as flexy as all those old carbon frames are 'meant' to be?




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Old 07-31-09, 08:23 PM
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Originally Posted by Matt Gaunt View Post
Might want to start there then. I doubt Giant will replace it for free if UPS are to blame. It makes no sense.

Sorry about your new project though.
One thing I have found with a few items with shipping damages is that the manufacturer usually warranties it or refunds you or whatever then THEY file the claim with UPS or FedEX or whoever. It doesn't really matter since Giant covered it, but when the product is being shipped from the manufacturer, that's traditionally how it's supposed to work, unless you are working with a company that's shady enough to try to pawn the damage off totally on the shipper. Either way, glad it got covered.
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Old 07-31-09, 08:27 PM
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Yeah. After all, it only costs Giant about 10 bucks a frame
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Old 07-31-09, 08:55 PM
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Originally Posted by 531Aussie View Post
Intersting -- I didn't know Specialized sold carbon back then. Who made them?
Is it as flexy as all those old carbon frames are 'meant' to be?




Those were rebadged TVT frames.
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Old 07-31-09, 09:11 PM
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Bike companies generally don't ship out frames Via UPS unless it was just a single bike. (its cost prohibitive to ship 50-100 bikes out UPS)

That being the case, it was probably damaged in the warehouse, because all of the trucks I've personally unloaded have bikes packed in like sardine cans. (no way to get damaged)
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Old 07-31-09, 09:15 PM
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It was in fact a special order, and shipped UPS. I know what you mean about sardine cans; i help the Ward Shipping guy bring them into the store somtimes.

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