I'm getting ready to switch over to SRAM for my drive train. I'm going to use XO shifters, X9 rear derailleur, 990 cassette (11-34), and 991 hollow pin chain. My question is what length cage do I for my rear derailleur? Thanks!
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: What cage length for X9???