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Need new rear derailler

Old 04-22-15, 04:02 PM
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biker420
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Need new rear derailler

Hi I am new to forum here, I have a Cannondale F500 1999 24 speed. I was looking at Shimano Altus. Would that be a good fit? Should I spend a bit more money on a better one? http://www.amazon.com/Shimano-Altus-.../dp/B0064QHLVK

Thanks for any help

~Chris
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Old 04-22-15, 10:27 PM
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Canker
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What do you have now? If it is a shimano something or other then yeah that will work. Any of the 9 speed derailleurs will work too and I'd probably go ahead and step up to a Deore for a few more bucks but I don't know if you would actually notice any difference. A new Atlus level derailleur is bound to be better than whatever old 99 model you have on there too.
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Old 04-23-15, 01:53 AM
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According to Bikepedia, the stock derailleur was a Deore XT SGS (exact model not specified).
Cranks: 42/32/22 (20T Total)
Cassette: 11/30 (19T Total)
For a total wrap of 39T.

The Altus lists a Max sprocket of 34T, and wrap of 43T, so it should be fine (assuming your current config is similar to the stock config).

I think the biggest question I have is whether the jockey wheels use a plastic outer bushing, or a steel outer bushing, which would determine whether you might get a few hundred miles, or many thousands of miles out of them. And the 13T/15T pulley set would likely keep you stuck with the same OEM parts.

I can't say for sure whether other mid-range models are better though, without having them in front of me and disassembling them. The Deore Jockey Wheels (Pulleys) might be more standard though.
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Old 04-23-15, 02:22 PM
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Canker
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The old being a deore XT might make me change my mind about the altus being an upgrade then
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Old 04-23-15, 02:34 PM
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osco53
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I had Deore, now SLX and Its way better,, my next will be XT for no particular reason


Sureal'y My SLX is super fast, accurate and smooth, I never want to try anything better because as long as I don't know better I can keep more money for
what's really Important,
,
,
Beer..
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Old 04-23-15, 06:16 PM
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Originally Posted by Canker View Post
What do you have now? If it is a shimano something or other then yeah that will work. Any of the 9 speed derailleurs will work too and I'd probably go ahead and step up to a Deore for a few more bucks but I don't know if you would actually notice any difference. A new Atlus level derailleur is bound to be better than whatever old 99 model you have on there too.
+1, I'd go for at least Deore level. Historically, Deore has always been a pretty good quality level for Shimano.
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Old 04-24-15, 08:43 AM
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If you bounce down rooty or rocky trails get a derailleur with a clutch AND add a Lizard Skin for quieter rides....

I won't ride without a Lizard Skin,,cut up tubes work fine But Looks cheap on our expensive bikes and the Lizard Skin makes Inexpensive bikes look more expensive...

Vanity ? me ? nawww

Plus if you get a
derailleur with a clutch your ready for a 1X set up,,all you need is a narrow wide chain ring.
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Old 04-24-15, 01:57 PM
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Clutched RDs only come in a 10 speed setup
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