DT Swiss Ratchet Freehub Body - SRAM XDR, Standard, Aluminum, Sealed Bearing, Kit w/ End Cap, 12 x 142 mmRatchet 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. Fits SRAM XDR 12 speed cassette types Crafted from lightweight aluminum Compatible with 12mm thru axles Includes end cap for 12 x 142 hubs Weight: 46 g Item Specifications Cassette Body Type SRAM XD Cassette Body Type SRAM XDR Material Aluminum