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1x11 Issues

Old 07-05-16, 08:47 AM
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Calle
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1x11 Issues

I just swapped my 2x11 11-32 deivetrain to a 1x11 11-40t and the shimano 105 RD will not shift onto the 40t cog in the rear. It is a longcage derailleur, ive heard many people successfully run the 105 on this cog set, what gives? Ive adjusted the cable
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Old 07-05-16, 08:50 AM
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jimc101
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Get a setup which was designed for 1x11 as stock ie. SRAM, or get a converter part, like a Wolftooth Roadlink

Also, Shimano don't make any road RD's as Long cage, only Medium and Short, Long is reserved for MTB's
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Old 07-05-16, 08:43 PM
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vettracer
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The cage length only affects chain wrap (the total gear range) not the ability of the the upper pulley to clear the largest cog.

To clear a 40T cog with a 105 derailur, you need the combination of a frame with a longer than normal hanger and a long B screw. Some people might be successful with it and others won't. Sounds like you fall into the latter group.

Just get a Wolftooth Road link. That will lower your deraileur enought to clear the 40T cog.

Cheers
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Old 07-05-16, 11:17 PM
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KonaRider125
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+1 On the Roadlink.

A Shimano XT mountain bike RD and a Wolftooth Tanpan would be a better option for a 1x gravel bike setup, the clutch RD helps reduce chain slap and eliminates dropped chains.
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