Mountain Biking - shimano xtr rear derailleurs long and short cage

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subopolois
08-18-09, 07:40 PM
whats the difference between the long and short cage preformance wise? i know one is short and the other is long, but whats the difference? if i have a long cage on my bike now can i swap it out for a short cage?

Freefallman
08-18-09, 07:51 PM
I think the difference is the efficiency in taking up chain slack and that short derailleurs have better clearance on the trail.
carlfreddy
08-18-09, 10:15 PM
Its all about capacity.

Depending on your crank and cassette setup you might not be able to run a short cage derailleur.

RIC0
08-19-09, 05:45 PM
2x9 for short cage

3x9 for long cage