Opinion needed

[nickyboy]

Sure but to start an account simply to do so seem a trifle odd.

This ^^^

How about this scenario....

Cyclist buys bike and does something to damage it. Makes up a story to try to get it replaced but Retailer won't wear it and Manufacturer won't wear it.

Decides to try his luck here to get some tech support to his story. Gives us the spurious story but is disheartened by folk seeing through the story so doesn't post photos and doesn't engage with posters

The only strage one is the Manufacturer saying it was caused by setting off in too high a gear...but we only have the OP's post to back this up

 

[kiriyama]

Could this be the scenario?

OP sets off in a gear a bit too high, quickly shifts down on the front derailleur, puts whole body weight on the peddles, chain forced into a very dodgy angle. (Due to derailer trying to move it inwards) dodgy angle chain pulls on chainring and bends it inwards, then chain can't take the forces it wasn't designed to take and breaks.

Just buy new parts and put it down to experience. or post pictures of all the damage so we can see. I can't see an Ultegra chainring having a fault in it like that. I presume they are CNC'ed high quality aluminium.

 

[nickyboy]

Or it could be someone feels they've been let down by the supplier and decides to do some research on the internet. They find this forum and register to ask some questions.

What's really so suspicious about that? How many people do you think have come across and joined this forum because of issues/questions they've been researching?

..

Well I guess it was the combination of a very unlikely explanation for the damage combined with being asked for more info by posters who were somewhat disbelieving but failing to reply. But as you say, it may all be quite true and I'm being cynicial. But then again, maybe not

 

[Ajax Bay]

As others have pointed out, the chain ring should not have bent under the conditions described in the OP. That would indicate it was defective.

Under the conditions described in the OP, the chain ring would not bend like the OP was told it had by the (at least some experience, probably lots) Ribble guy. So a rational person, like yourself, might reasonably judge that the whole story was not told (perhaps because the OP was unaware, or otherwise) and you've seen the analyses others have offered, with reasons. I just think that your jumping to the "it's defective" standpoint is facile.

 

[Roadrider48]

The OP is probably frightened to come back.
You'll have him confessing next!

 

[Kestevan]

All sounds a bit fishy to me..however. Irrespective of the actual cause I'd not expect the clowns at Ribble to do anything to help.... Their customer service is nothing short of abysmal in my experience.

 

[Seats]

This, quite clearly, is not the whole story.

I'm no cheerleader for Shi**no - but Ultegra chain rings are mass produced by robots and are subject to very rigorous quality assurance. They don't vary. Shi**no don't produce a batch of sh!t ones on a Friday afternoon. And Ribble are clutching at straws too.

Could the failure of the chain have caused the damage to the chain ring? It could conceivably bend a tooth or two but not the ring. So nope. Could a bent chain ring cause the chain to fail? Definitely not. Which leaves us with the only likely secenario: That the event that caused the chain to fail also damaged the chain ring. or put another way; the event that bent the chain ring also damaged the chain. The bike's been dropped onto its ring or bashed by another bike's pedal.

Sorry to disappoint you but non of those things came to pass. 150 miles only, no accidents - honest!1

 

[Seats]

The OP is probably frightened to come back.
You'll have him confessing next!

Not frightened and nothing to confess.

 

[Ajax Bay]

I'd not expect the clowns at Ribble to do anything to help..

But they have helped. They heard a description of what happened when and immediately before the chain broke, they took the trouble to look at the chain and the chainwheel and alerted the OP to his bent chainwheel, and then gave him/her an opinion that it was not a manufacturing defect but the "cause of the failure was misuse of the equipment as [he/she] was in the wrong gear and had put the chain under too much strain."
This may be not what the OP wanted to hear but that's not being 'unhelpful' in the proper sense of the word.

 

[Seats]

All sounds a bit fishy to me..however. Irrespective of the actual cause I'd not expect the clowns at Ribble to do anything to help.... Their customer service is nothing short of abysmal in my experience.

What the hell is fishy about this simple question. I raised a perfectly reasonable question and so many people just assume I'm trying it on - sign of the sad society we now live in - guilty until proved innocent!

 

[Seats]

This ^^^

How about this scenario....

Cyclist buys bike and does something to damage it. Makes up a story to try to get it replaced but Retailer won't wear it and Manufacturer won't wear it.

Decides to try his luck here to get some tech support to his story. Gives us the spurious story but is disheartened by folk seeing through the story so doesn't post photos and doesn't engage with posters

The only strage one is the Manufacturer saying it was caused by setting off in too high a gear...but we only have the OP's post to back this up

For gods sake what do want - a bloody video of the incident.

 

[outlash]

A picture of the chainring would help tremendously......

 

[Tenacious Sloth]

I bodged a front change on my hybrid last year and foolishly continued to apply power.

The result was a jammed chain and bent teeth on the front-middle chainring, so YS's diagnosis is plausible.

Nothing else I've read here seems any more plausible.

Graham

 

[Seats]

So taking the advice of the more reasonable posts I decided to 'suck it up' and have purchased a new chainset - had to spend £120 as could find a rim only that could be delivered within the next 2 weeks. Obviously didn't get it from Ribble - sorry to disappoint all you cynics out there, but it was never about the money. Evans provided a very efficient and friendly service. The rim has honestly failed through no fault of mine, in my opinion, and clearly Ribble don't give a shoot and think I'm on the make. I guess I shouldn't be surprised. I have attempted to contact Shimano - but my god they make even that impossible. I can only find a Twitter address - and that just told me to contact Ribble - clearly they don't like to speak to customers direct about real issues but rather prefer to tweet to give the false impression they are accessible and up with the times!

So back on the road. Thanks to all those who provided useful opinion and to those who just assumed I was after something for nothing - get a life!

 

[screenman]

I bodged a front change on my hybrid last year and foolishly continued to apply power.

The result was a jammed chain and bent teeth on the front-middle chainring, so YS's diagnosis is plausible.

Nothing else I've read here seems any more plausible.

Graham

I have done the same whilst racing and it had the same effect, YS is bang right.