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Old 08-17-04, 10:58 AM   #1
mr_ed
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Problems with 12-27 Cassette

I have a 1999 Litespeed Vortex and I recently installed a 12-27 Shimano Dura-Ace 9-Speed Cassette. The top guide pulley rubs the largest sprocket (27T) regardless of the B-tension adjustment screw setting on the Shimano Dura-Ace 7700 Rear Derailleur. According to Shimano specs the derailleur is compatible with a minimum 11T sprocket and a maximum 27T sprocket. Any advice?



Thanks,

Ed
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Old 08-17-04, 11:17 AM   #2
NIBYAK
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Maybe you need to add a link or two to the chain. Does it touch when you take the chain off at the crank and give it some slack? Just guessing
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Old 08-17-04, 12:11 PM   #3
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It seems to me the chain length is wrong. I've heard of people using a 30 cog with no rubbing.
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Old 08-17-04, 01:12 PM   #4
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Thanks NIBYAK and Trek Rider, I'll take a look at the chain length.



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