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Chainring compatibility

Old 07-06-16, 09:07 AM
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Chainring compatibility

I wanted to change my FSA Vero 50/34 chainring to a Doval 52/39,36 chainring. But would it be okay with my 11-32 9speed cassette(sram)? Are there any things to do other than changing the chain length?

P/S I might be changing from 11-32 cassette to 11-28.
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Old 07-06-16, 09:49 AM
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Need bolt circle diameter data .. 34t is probably 110, so you need to find 110 BCD in the higher tooth counts,

and then a new chain, that you you shorten to length .
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Old 07-06-16, 10:04 AM
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What shifters are you running? You may need new shifters, at least your post reads like you're wanting a racing tiple...
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Old 07-06-16, 08:09 PM
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Originally Posted by fietsbob
Need bolt circle diameter data .. 34t is probably 110, so you need to find 110 BCD in the higher tooth counts,

and then a new chain, that you you shorten to length .
What do u mean by higher tooth counts? My current chainring is 110 BCD. Sorry, forgot to mention.
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Old 07-06-16, 08:10 PM
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Originally Posted by Marcus_Ti
What shifters are you running? You may need new shifters, at least your post reads like you're wanting a racing tiple...
I am currently running Shimana Sora 9 speed shifter. I don't get it why it would interrupt my shifter.
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Old 07-07-16, 12:47 PM
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Originally Posted by ripemango
What do u mean by higher tooth counts? My current chainring is 110 BCD. Sorry, forgot to mention.

46 is more than 34 is it not? tooth count is what you get by counting the teeth.
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