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Old 09-28-09, 06:50 AM   #1
Noonievut
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Bent teeth on cassette

I took off a cassette from one wheel and installed on another. First time using a chainwhip and cassette removal tool. I got the cassette off easily, though when I was installing on the other wheel, I used the chainwhip (not even sure if one is required for install?) and when I was tightening with the wrench on the cassette removal tool I guess I was also applying pressure on the chainwhip and I bent some teeth on the smallest cog.

Should I try and bend these back in place (with a wrench)?

This is a sram cassette (9 speed, bought last year...not sure the model) and I'm not sure if I can buy just the cog that got damaged?

I was planning to bring the bike into a shop in the next month anyway, so I may just wait and let them have a look...
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Old 09-28-09, 07:00 AM   #2
I_bRAD
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I'm gonna say you probably can't bend it back close enough... but it's free to try and if you mess it up you're not going to be any farther behind than you are now
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Old 09-28-09, 07:05 AM   #3
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I'm gonna say you probably can't bend it back close enough... but it's free to try and if you mess it up you're not going to be any farther behind than you are now
Thanks.

Did I even need the chainwhip to install the cassette? I know I need it to remove a cassette (to prevent it from spinning).

I was assuming I needed to use a lot of force to tighten it as I needed a lot to get it off...I didn't think this could happen, though it's a lesson learned.
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Old 09-28-09, 07:14 AM   #4
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Originally Posted by Noonievut View Post
Thanks.

Did I even need the chainwhip to install the cassette? I know I need it to remove a cassette (to prevent it from spinning).

I was assuming I needed to use a lot of force to tighten it as I needed a lot to get it off...I didn't think this could happen, though it's a lesson learned.
You don't need a chainwhip to install a cassette. You do need to get the lock ring quite tight but that requires a lockring tool and a wrench to fit it, not a chainwhip.

BTW, you don't need a chainwhip to install freewheel either. You spin it on hand tight and the pedaling force will tighten it more than adequately.
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