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.Includes end cap for 12 x 142 and 12 x 148mm hubsFits Shimano 12-speed Micro Spline cassettesCrafted from lightweight aluminumCompatible with 12mm thru-axlesItem SpecificationsCassette Body TypeShimano Micro SplineMaterialAluminumRear Axle Type12mm Thru-axleRear Hub Spacing (mm)142Rear Hub Spacing (mm)148 DT Swiss Ratchet Freehub Body Freehub Body EAN: 7613052282879