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Old 09-01-10, 09:35 PM   #1
coolio
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Question on rear derailleur/front shifter compatibility.

Hi,
Wanted to see if I could install this trigger shifter:

http://www.rei.com/product/793371?pr...099-_-10456937

on my bike which has this rear unit:

http://store.icyclesusa.com/sunrace-...ur-p27021.aspx

I googled this sunrace m90 and found this:

http://www.disraeligears.co.uk/Site/...erailleur.html

There is no word on actuation ratio, which I understand has to match up. Anybody ever work on this?
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Old 09-02-10, 12:16 AM   #2
Chris_W
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That Sunrace RD is probably compatible with Shimano shifters and SRAM "Attack" shifters, but not the SRAM X.7 that you linked to.
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Old 09-02-10, 07:24 AM   #3
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Thanks, Chris W. I did some further digging and found this rear derailleur on the sunrace website:

http://www.sunrace.com/en/products/detail/m90?sku=RDM90

Although my rear unit says "Juju" on it, I think it's virtually the same. Probably a more recent year model. It confirms the 2:1 ratio that is compatible with the Attack shifters. Thanks, again.
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