Whether you modified a 10-speed cassette with a One-Up-style expansion cog, or adopted early and wore out your first cassette, the SRAM XX1 XG-1199 Cassette is the pinnacle of one-by technology. This ensures that the balance of granny grinding to flat-out-flying is maintained. SRAM XX1 XG 1199 Cassette 42t Replacement Large Cog: Fits XO1 & XX1 11s... At this point, you've likely made the leap to swipe SRAM's marketing parlance. Use with SRAM XX1 11-speed chain SRAM XX1 Cassette 11-speed X-Dome XG-1199 10-42 Teeth, 297,50 11 Speed Cassette SRAM XX1 XG-1199 11-Speed Cassette Excel Sports | Shop Online From Shimano 105 Cassette 11 Speed Requires use of XD driver (freehub body) Buy Schmitt 5/8 Center Nut f/710, 711, 712, 720, 724, 730 Models By trading freehub bodies for drivers, SRAM was able to put a tiny, 10-tooth cog on the end to balance out the monster, 42-tooth cog on the low end.
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