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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

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Old 01-24-10, 09:21 PM   #1
mthayer
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Bent chain ring

I have a bent chain ring on my bike, but luckly its the 25t ring. When I rode Thursday night, I went to shift down to it climb a good hill and it kept throwing the chain and I thought it was the derailleur. After look at it Friday I notice it was bent so I took it to the LBS and she was able to straighten it out. I rode yesterday, and went to shift down to it and it threw the chain. So i walked the bike up the hill since it was a group ride. I rode again today and I went to shift back to the granny gear and it threw the chain again. I noticed that the ring is bent again. Should I replace it or try to have it straightened out again? I rarely use it but its nice to have on steep hills.
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Old 01-24-10, 09:32 PM   #2
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It'll just keep bending, easier and easier each time. Just replace it.
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Old 01-24-10, 10:38 PM   #3
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It'll just keep bending, easier and easier each time. Just replace it.
+1. Also, are you cross-chaining when this happens?

If so, don't do that - http://www.wonderhowto.com/how-to/vi...aining-253307/
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Old 01-24-10, 10:49 PM   #4
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Nope not cross chaining. I guess that this is a blessing in disguise cause I was looking at changing the crank rings out before long. I was looking at keeping the 25, getting a 36 or 38 and then getting a 48. I currently have a 25-42-50 setup right now.
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Old 01-28-10, 11:02 PM   #5
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Nope not cross chaining. I guess that this is a blessing in disguise cause I was looking at changing the crank rings out before long. I was looking at keeping the 25, getting a 36 or 38 and then getting a 48. I currently have a 25-42-50 setup right now.
+1 on this idea, or go even lower. I'm running a 46-36-26 triple on one of my bikes, and it's really handy (I live in the Sierra Nevada, with 7000+ foot passes all around, and I'm an aging Clyde). The standard-these-days 53-39-30 is useless for riders who need a triple to begin with.
FWIW, straightening a bent tooth isn't rocket surgery. You can do it with a Crescent wrench. But it's probably a symptom, not a cause, so you need to figure out what the underlying problem is.
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Old 01-28-10, 11:09 PM   #6
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I guess that this is a blessing in disguise
LOL. We love to buy stuff for our bikes don't we? Notice when our cars break down we never view it as a "blessing"? Yup, I'd say you're a true cyclist!
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Old 02-03-10, 11:47 PM   #7
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Well It was a blessing when my turbo went out on my truck cause I got to get a better turbo. Yeah the $1000, in repairs, and the two days of working on it wasnt fun, but It was sure worth it.
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