10 speed mtb chainsets on 9 speed bikes

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This topic has 6 replies, 5 voices, and was last updated 11 years ago by pete68.

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10 speed mtb chainsets on 9 speed bikes
Onzadog
Free Member

Looking at a new xt/xtr chainset for my 9 speed bike. Oddly, 9 speed is more expensive than 10 speed.

I’ve heard tales of it needing a new front mech or 0.6mm shims to get it working right. Anyone with experience of this?

I know some people just run it anyway but I guess I’ve a reputation for being very particular about everything being just right.

Or is it worth £30 extra to get the 9 speed?

Cheers.

Posted 11 years ago

Onzadog
Free Member

Interesting. I’m asking two questions on a mountain bike forum. One about road chainsets and mtb chainsets. I’ve had some replies on the road question, but none on the mtb issue.

Posted 11 years ago

theboatman
Free Member

I’m running a 10 speed double x7 crank with a mix of 9 speed XT/ slx / x5 and 9 speed x9 triple shifters, oh and a 10 speed ultegra chain. Works very sweetly, not touch it for months. Hth 🙂

Posted 11 years ago

sicklilpuppy
Free Member

Been running a xt 10 speed chainset with xt 9 speed shifters, mechs, and chain fot about a year now without a problem.

Posted 11 years ago

Onzadog
Free Member

Cheers guys. Shimano are just trying to get me to buy more kit then.

Posted 11 years ago

tymbian
Free Member

@ sicklilpuppy…how does the spacing of a 9 speed shifter work with a 10 speed cassette?

Posted 11 years ago

pete68
Free Member

@tymbian 9 speed shifter wont work with 10 speed cassette. sicklilpuppy didnt say anything about cassette.

Posted 11 years ago