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derailleur compatibility and differences?

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derailleur compatibility and differences?

Old 11-21-04, 11:51 PM
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Devious Rhesus
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derailleur compatibility and differences?

I'm getting a trek 7200FX. The frame seems pretty nice, but the derailleurs and shifters are on the low end. I'm new to bikes, so what would nicer derailleaurs do for me? Could I purchase them latter and have them installed as an upgrade?

Thanks!
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Old 11-22-04, 12:12 AM
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Shimano will work with shimano, SRAM ESP derailleurs with SRAM ESP shifters, some SRAM is compatible with shimano, generally campy w/campy.

Run down of Shimano MTB components:

Altus
Acera
Deore
Deore LX
Deore XT
XTR

You can go ahead and upgrade as the parts wear out. IMO Deore XT is the highest I go, XTR is way to dang expensive for me and I would probably break it within a year. I would probably just get Deore LX, it's plenty smooth and cheap enough that it isn't too bad of a loss if you crash and wreck it.

If you can go for SRAM derailleurs with the ESP and SRAM ESP shifters, I think their much better than shimano. just a personal preferance though, shimano will work fine.
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Old 11-22-04, 02:05 PM
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So would an upgrade kit like this work?

http://www.performancebike.com/shop/...TOKEN=12758918

Its under the mountain bike section, but it seems like a pretty good component upgrade. Would the gears be allot different since its MTB gear? Also, would I need a new crank since I was going from 8 to 9 speed?

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Old 11-22-04, 06:13 PM
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Yes a kit like that would work. The gearing will be the same, 11-32, you'll just have one more gear.

I don't think you need a new crank if you upgrade from 8 to 9 speed. You might need a new f/d though. errrr, I'm not sure, sorry. Hopefully someone more knowledgeable can help you more. sorry
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Old 11-25-04, 07:59 PM
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*bump* Thanks forum*rider for the info.

Anyone have any ideas on the crank?
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Old 11-26-04, 06:42 AM
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Originally Posted by Devious Rhesus
So would an upgrade kit like this work?

http://www.performancebike.com/shop/...TOKEN=12758918

Its under the mountain bike section, but it seems like a pretty good component upgrade. Would the gears be allot different since its MTB gear? Also, would I need a new crank since I was going from 8 to 9 speed?
It'll work but I'm not sure what you are trying to accomplish. It sounds to me like you haven't even bought the bike yet and you are already planning a $150.00 upgrade. What makes you think that it won't be satisfactory the way that it is?

Incidentally, that 9-speed upgrade kit doesn't include a front derailleur. I'm not sure if that's necessary with a mountain crankset, but doesn't your bike have a road crankset? I didn't get satisfactory results when I tried to 9-speed an STI triple with the existing FD, but I don't know if that might apply in your case. If it was my bike, I'd try it and see for myself.
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