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-   -   8 speed and 9 speed compatbility question. (http://www.bikeforums.net/mountain-biking/933303-8-speed-9-speed-compatbility-question.html)

cyclops 02-07-14 07:59 PM

8 speed and 9 speed compatbility question.
 
Hi Guys,

Just trying to cheap out on a build, can I run an eight speed chain through a nine speed LX front deurailler and 9 (?) speed Saint rear?. That way I can use my eight speed cluster and crankset.

Has anyone done this and did it work?

Canker 02-08-14 10:21 AM

Yes you can as long as the rear isn't a 10 speed. 8 and 9 speed rear derailleurs use the same pull ratios while the 10 is different and won't work with 8/9 speed shifters.

cyclops 02-09-14 01:45 AM

Thanks for the Info!

MisterK 02-09-14 05:12 PM

Ill second that. I've been running a mega 9 deore back, mega 9 alivio front and a 9spd raceface ride crankset with 8spd alivio shifters 7/8 spd chain and an 8spd hg-30 cassette successfully

roccobike 02-10-14 06:20 PM

Actually, a few years ago Specialized was using 9 speed Deore rear derailers on their 8 speed MTBs. I bought one. Works great.

cyclops 02-10-14 07:59 PM

Cool,

Thanks guys, problem solved. Cheapness commenced.

bane 02-25-14 11:41 PM

Quote:

Originally Posted by roccobike (Post 16484807)
Actually, a few years ago Specialized was using 9 speed Deore rear derailers on their 8 speed MTBs. I bought one. Works great.

Gary Fisher too.

cyclops 02-26-14 12:51 AM

It turned out to be moot point. When I inspected the chainrings minus dirt and plus glasses the chainrings were buggered so I went all ninespeed with the crankset and cluster.


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