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8 speed and 9 speed compatbility question.

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Old 02-07-14 | 07:59 PM
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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?
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Old 02-08-14 | 10:21 AM
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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.
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Old 02-09-14 | 01:45 AM
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Bikes: Jamis 2008 Komodo, 40's Malvern Star 16" my 1st! , 58 Malvern Star 28", (gave it to the LBS for display), Voodoo Wanga SS, Voodoo Bokor commuter, Wilier Triestina Lavaredo, Kojima Condor 80's resto roadie.

Thanks for the Info!
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Old 02-09-14 | 05:12 PM
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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
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Old 02-10-14 | 06:20 PM
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Actually, a few years ago Specialized was using 9 speed Deore rear derailers on their 8 speed MTBs. I bought one. Works great.
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Old 02-10-14 | 07:59 PM
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Bikes: Jamis 2008 Komodo, 40's Malvern Star 16" my 1st! , 58 Malvern Star 28", (gave it to the LBS for display), Voodoo Wanga SS, Voodoo Bokor commuter, Wilier Triestina Lavaredo, Kojima Condor 80's resto roadie.

Cool,

Thanks guys, problem solved. Cheapness commenced.
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Old 02-25-14 | 11:41 PM
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Originally Posted by roccobike
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.
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Old 02-26-14 | 12:51 AM
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Bikes: Jamis 2008 Komodo, 40's Malvern Star 16" my 1st! , 58 Malvern Star 28", (gave it to the LBS for display), Voodoo Wanga SS, Voodoo Bokor commuter, Wilier Triestina Lavaredo, Kojima Condor 80's resto roadie.

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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