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Old 11-10-08, 05:46 PM   #1
bikesforbreakfa
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Replacing Broken Derailleur - Compatibility Questions?

I need replace a shredded rear derailleur on a cheap Schwinn Hybrid.
I have gleaned that the stock derailleur is a Shimano SIS MRX 7-speed of some sort, but markings aren't very clear.

I have come across some SRAM derailleurs online that list compatibility with Shimano 6/7 speed shifters, will these work? is there anything I am missing that i should consider before purchasing this derailleur?

listed SRAM 6/7 speed rear derailleur
http://www.triathletesports.com/Prod...SB1&click=8694
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Old 11-10-08, 06:12 PM   #2
kycycler
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actuation ration needs to be the same between the shifter and the derailleur. Wrong ratio and shifting will not work. 1:1 or 2:1.
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Old 11-10-08, 06:26 PM   #3
I_bRAD
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that will work fine
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