DT Swiss Ratchet LN Freehub Body Upgrade Kit - SRAM XD, Standard, Aluminum, Sealed Bearing, 36TThe Ratchet LN freehub body upgrade kit makes it possible to convert DT Swiss 3 Pawl hubs to the beloved Ratchet System. With just a few simple steps, it is possible to incorporate the benefits of Ratchet Systems, such as the outstanding reliability and adaptability of the engagement angle. Ratchet LN freehub bodies have a freehub system seal designed into it, allowing the conversion of 3 Pawl driven hubs to the Ratchet LN. It's an ideal upgrade for