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Old 06-02-10, 01:26 PM   #1
antiuser
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8-spd to 9-spd upgrade

I have a 2006 LeMond Etape that has an unnamed (I'm guessing Sora) 8-speed 11-26 cassette on it. My rear derailleur is a 9-speed Tiagra, so I was thinking about upgrading the bike with a 6500 9-speed cassette and a 9-speed brifter. I'm guessing I might have to get a slightly narrower chain as well... my question is, will a 9-speed cassette fit on my rear hub?
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Old 06-02-10, 01:35 PM   #2
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The cassette will fit the hub no problem. You will need a 9 speed chain as well. Are you aware of the cost of a 9 speed brifter? They can be purchased individually at least for some cost savings but the price of a new shifter might make this upgrade a no-go. My opinion is don't bother FWIW.
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Old 06-02-10, 02:08 PM   #3
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There's a set of 105 9-speed brifters on the 'bay that I have my eye on. I would get a used brifter, not a new one.
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Old 06-02-10, 02:39 PM   #4
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There's a set of 105 9-speed brifters on the 'bay that I have my eye on. I would get a used brifter, not a new one.
Used STI brifters are always a crap shoot, particularly on e-bay. Some work well and some don't work at all and you never know until you pay to have them shipped.
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Old 06-02-10, 04:22 PM   #5
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Used STI brifters are always a crap shoot, particularly on e-bay. Some work well and some don't work at all and you never know until you pay to have them shipped.
+1
Good advice.
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Old 06-02-10, 06:15 PM   #6
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The 9 speed cassette will work just fine. Yes, you'll need a 9 speed chain as well. Rear derailleurs do not have speeds, so no worries there. With 8 speed cranks and a 9 speed chain you might have slightly slower shifting up front.
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Old 06-02-10, 10:50 PM   #7
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I have an Ultegra 9 speed 12-27 cassette with about 75 miles on it if you are interested. I bought a set of wheels along with this cassette for my BD bike this Christmas and later decided to build a steel bike with a 10 speed drivetrain and put these wheels on it so I have no use for the 9 speed cassette.
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