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My Ultegra rear deralieur BROKE!

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My Ultegra rear deralieur BROKE!

Old 05-02-06, 08:00 PM
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ranger5oh
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My Ultegra rear deralieur BROKE!

So I was on mile 20 of my 25 mile ride and came to a stop at a stoplight. As I started up, applying moderate power, I got to about 10mph when my rear derailieur literally broke in half, which then shot into my spokes, scratched my frame pretty bad, put a dent in the frame, and possibly bent my rim! The whoel sschpeil caused the rear to lock up, making me fall which also tore my seat a little.

I have had the bike... Ohhhh... 2 WEEKS! Its brand friggen new... I hope my LBS is cool and give me a new bike, i mean.. this really caused a lot of damage to the bike. I am a reasonable guy, but this seems like a manufacturing defect. I mean, the flippen thing snapped in half!

Oh, and for those who are interested its a 2006 Cannondale R700, and I am a 160 lb, 5'11" guy. Im not a clydesdale.

ugh... frustrated!
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Old 05-02-06, 08:02 PM
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WOW!!!!! Im really sorry to hear that... do you have any pics?
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Old 05-02-06, 08:20 PM
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I will take pics tonight... camera is out in my car and im lazy right now... more depressed about my poor bike though
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Old 05-02-06, 08:21 PM
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That sounds familiar. Same thing happened to me on my 05 R700. Turns out a chain pin sheared off causing the chain to get jammed in the deraileur. The deraileur then proceeded to insert itself into the rear wheel. Nasty. The bike was less than 2 weeks old.


Not to get your hopes up, but my LBS was unsympathetic. After spending well over $5k there in one year, the only thing they could say was "it will be $150 to replace the deraileur and $400 for a new set of wheels." Hope yours is better. I no longer patronize that LBS by the way.
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Old 05-02-06, 08:40 PM
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FYI:

https://bike.shimano.com/publish/cont...y_details.html

https://www.cannondale.com/policies/b...r_policy2.html
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Old 05-02-06, 08:44 PM
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Originally Posted by ranger5oh
So I was on mile 20 of my 25 mile ride and came to a stop at a stoplight. As I started up, applying moderate power, I got to about 10mph when my rear derailieur literally broke in half, which then shot into my spokes, scratched my frame pretty bad, put a dent in the frame, and possibly bent my rim! The whoel sschpeil caused the rear to lock up, making me fall which also tore my seat a little.

I have had the bike... Ohhhh... 2 WEEKS! Its brand friggen new... I hope my LBS is cool and give me a new bike, i mean.. this really caused a lot of damage to the bike. I am a reasonable guy, but this seems like a manufacturing defect. I mean, the flippen thing snapped in half!

Oh, and for those who are interested its a 2006 Cannondale R700, and I am a 160 lb, 5'11" guy. Im not a clydesdale.

ugh... frustrated!
thats what you get for buying a cannondale!
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Old 05-02-06, 08:45 PM
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Oh, wow. Doesn't sound fun! My friend has an R700 with a Ultegra RD as well, though he's had no problems.
Best of luck with the LBS. Just be firm, and know that you have a right to a replacement, especially when it happened so quickly. Hell, this caused YOU danger. What if it had happened at 30 mph down a hill? Anyway, they should be the ones to give you a free replacement, and if they're a good LBS they should do that with no problem.

I'm pretty sure Shimano has a warranty on this kinda stuff. The bike shop would probably be able to send the RD back to Shimano HQ and get a new one, so they don't have an excuse not to help you. Hope it all works out.
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Old 05-02-06, 08:49 PM
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Did the derailleur first go into the spokes - are you sure, did you remove the dork disk based on peer pressure here, or tinker with the RD yourself?

Bike shop should be good and give you the benefit of the doubt, plus a new/fixed bike.

Let us know what happens.
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Old 05-02-06, 09:06 PM
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No.. dork disc was still in place! Sounds like from the Cannondale warranty that they will replace basically anything in the first year.

"Components: All other components, including HeadShok forks, suspension parts, frame fixtures and finishes (paint and decals) are warranted against manufacturing defects in materials and/or workmanship for a period of one year from the date of original retail purchase. Suspension forks (other than those made by Cannondale) are not covered by this warranty, but are separately covered by the stated warranty of their manufacturer. "

and

"During the duration of this warranty, Cannondale will either repair any defective frame, or, at our option, replace any defective frame with the same or most nearly comparable model then available. THIS IS THE EXCLUSIVE REMEDY UNDER THIS WARRANTY. ANY AND ALL OTHER REMEDIES AND DAMAGES THAT MAY OTHERWISE BE APPLICABLE ARE EXCLUDED, INCLUDING, BUT NOT LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR PUNATIVE DAMAGES. "
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Old 05-02-06, 09:50 PM
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Shimano has a 2 year warrantee on ultegra parts.
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Old 05-02-06, 10:13 PM
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Is it Cannondales policy to repair or replace damage caused to their frame from another companies part? How about the maker of the wheels? Or is it Shimano's responsibility to fix everything since their part was at fault?

Hmmmm...
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Old 05-02-06, 10:18 PM
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My guess is that Cannondale will replace the frame out of "good will"... Since Cannondale sells the bike as a package deal, I am assuming part of the cost of the bike is for the warranty associated with all the parts attached to it.

SO what I am thinking is, bike store replaces bike, send it to Cannondale, Cannondale send defective part to Shimano, and Shimano pays back Cannondale. All this happens in the background, and all I see is new parts. (this is my hope, and guess)
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Old 05-03-06, 03:21 AM
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Originally Posted by onkey
thats what you get for buying a cannondale!
I was scratching my head trying to figure out what the Shimano derailleur had to do with Cannondale...

Then I looked to see who posted this.
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Old 05-03-06, 03:50 AM
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Sorry to hear that mate - puts fear among the less experienced mechies that adjust etc. (holding up hand!)
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Old 05-03-06, 05:11 AM
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which cog was the chain on in the back?
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Old 05-03-06, 05:28 AM
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Originally Posted by ranger5oh
No.. dork disc was still in place! Sounds like from the Cannondale warranty that they will replace basically anything in the first year.

"Components: All other components, including HeadShok forks, suspension parts, frame fixtures and finishes (paint and decals) are warranted against manufacturing defects in materials and/or workmanship for a period of one year from the date of original retail purchase. Suspension forks (other than those made by Cannondale) are not covered by this warranty, but are separately covered by the stated warranty of their manufacturer. "

and

"During the duration of this warranty, Cannondale will either repair any defective frame, or, at our option, replace any defective frame with the same or most nearly comparable model then available. THIS IS THE EXCLUSIVE REMEDY UNDER THIS WARRANTY. ANY AND ALL OTHER REMEDIES AND DAMAGES THAT MAY OTHERWISE BE APPLICABLE ARE EXCLUDED, INCLUDING, BUT NOT LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR PUNATIVE DAMAGES. "
Key language is "defective". It's your burden to prove.

Bob
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Old 05-03-06, 05:39 AM
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Wow. That's really the last thing I wanted to hear about considdering that I'm on my way out the door to go take delivery of a 2005 R700 with an Ultegra derailleur that I just purchased. Good luck getting yours replaced.
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Old 05-03-06, 06:19 AM
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Im taking it back at about 4pm today... I'll post what happens.

Well, its obviously defective... I would say that it is their burden to prove it is not a defective part, due to the manner in which it broke. It looks like a cast part, and my guess is there was a small air bubble or something in the cast when it was made.
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Old 05-03-06, 06:33 AM
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Originally Posted by ranger5oh
...dork disc was still in place!...
that's probably why the derailleur broke...

but seriously, seems like you read one of these every know and then...

are the remains of the RD still attached to the hanger? if so, is the large screw that attaches the one to the other cross-threaded or anything?

anyway, good lluck with the next one....
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Old 05-03-06, 06:34 AM
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Originally Posted by dr_cantalope
That's really the last thing I wanted to hear about considdering that I'm on my way out the door to go take delivery of a 2005 R700 with an Ultegra derailleur ...
You may not want to hear this either, but a cyclist in my area reported that he recently had a new Ultegra derailleur "mort" his non-Cannondale bike:
... on my ride into work my rear derailleur decides to self destruct and take the bike frame and rear wheel with it.
When I asked him if he knew what the root cause of the failure was, he replied:
It was an Ultegra that I had just put on a few weeks ago. I don't know what caused it but I'm guessing that the lower pulley must have come loose somehow.
The photos on his web page appear to show a (cast?) metal part broken in the middle.

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Old 05-03-06, 06:36 AM
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That's some bad luck, hopefully your LBS can take care of it for you.
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Old 05-03-06, 07:15 AM
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Originally Posted by ranger5oh
Im taking it back at about 4pm today... I'll post what happens.

Well, its obviously defective... I would say that it is their burden to prove it is not a defective part, due to the manner in which it broke. It looks like a cast part, and my guess is there was a small air bubble or something in the cast when it was made.
Other possibilities:

1. improper installation of [name the part....derailleur, cable, chain, cassette....]

2. "operator error"

3. abuse, misuse, crashing

Now, I believe you when you describe how the accident happened. But that doesn't mean Shimano or the LBS will believe you. People lie about this stuff all the time to get things covered under warranties.

"Its obviously defective" [because it broke] isn't proof.

Bob
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Old 05-03-06, 07:17 AM
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Sh$t happens.
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Old 05-03-06, 07:52 AM
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I had a similar problem with an 10 speed ultegra derailleur (300-400 miles on it). The cage actually came off while at high speed and skipped off the spokes while making a left turn. It sounded like I ran over a piece of metal in the road so I kept going. On the following climb the cage hung in the spokes and broke a left non-drive side spoke at the rim, and then became pulled to the derailleur on the chain and bent the parallelagram in the derailleur itself. (Strangest failure I have ever seen) My LBS is in the process of helping me get Shimano to warranty the derailleur. No problems so far with replacement derailleur.
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Old 05-03-06, 08:00 AM
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That's why I ride Campy!! Sorry about the loss and I hope Shimano makes it right.
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