Stan's NoTubes XX1 14212mm XD Freehub. Stan's certainly knows how to make the jump to SRAM XX1 11 speed a simple proposition. If you already have a rear wheel equipped with a Stan's 3.30 Type II hub that's set up for 142x12mm, then this XX1 14212mm XD Freehub kit is just what you need. Simply remove the existing 10 speed freehub body, replace it with this XX1 XD Freehub kit, and your rear wheel is all set to accept a SRAM XX1 11 speed cassette.
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