42/40 tooth 10 speed shimano rear mech.

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This topic has 10 replies, 7 voices, and was last updated 6 years ago by martinhutch.

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42/40 tooth 10 speed shimano rear mech.
zippykona
Full Member

Which ones can I use? Lots of them say 36 t max.

Posted 6 years ago

simondbarnes
Full Member

M6000 Deore (GS version)

Posted 6 years ago

chestercopperpot
Free Member

11 Speed M7000 or M8000 medium cage work best.

Posted 6 years ago

chestercopperpot
Free Member

Yes 11 speed not 10.

Posted 6 years ago

zippykona
Full Member

And that works ok with 10 speed shifters?

Posted 6 years ago

chestercopperpot
Free Member

Member your chain might be a bit short if changing from an older set up, so new chain would be a good idea.

It was you who posted a pic of mech stretched almost up to the chainstay wasn’t it? yeah don’t do that.

Posted 6 years ago

chestercopperpot
Free Member

Yup perfectly better than 10 speed with rad cage.

Posted 6 years ago

theboyneeds
Free Member

10spd shadow xt m785 works fine with a sunrace 42t on one of my bikes but on the other the same set up needs a wolf tooth extender thingy.

Worth the effort though. I’ve never ridden an 11spd but I’ve saved a bunch of cash not upgrading everything!

Edit – it’s called a goat link! Took a while but i got there in the end…

Posted 6 years ago

Splash-man
Free Member

M6000 Deore (GS version)

This……

Posted 6 years ago

facian
Free Member

You might need to take out the small washer under the B screw to get the cage wound out enough, or stick a longer screw in there to clear. I had to with an SLX and XT Long Cage Mech and a 11-42T

Posted 6 years ago

martinhutch
Full Member

Mine (11-42t) is working OK with an older XT 10 speed Shadow (no clutch) – b-screw wound pretty much all the way in.

Posted 6 years ago