Ratchet freehub bodies have a gloss finish and don't have a seal, as this is fixed on the hub shell. The Ratchet System was the first of this type for DT Swiss; used in the mid-range products like the 350 hubs.
This conversion kit allows you to use SRAM's 11-speed mountain cassette on your Stan's NoTubes wheels. Each kit includes an XD freehub, spacer, drive side end cap, and three sealed bearings.
Stan's 3.30HD 15mm Hub Kit makes Stan's 3.30HD front hubs 15mm through-axle compatible. Installation is easy—just pull the old ones off and put the new ones on.
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