Ohlins DH38 Suspension Fork Crownset - 46mm Offset, Flat and Riser Upper Crowns, Includes Fork Bumpershlins offers four different crown sets for DH38 suspension fork that differ in offset, allowing riders to further customize their ride. Offset is the distance between the wheel axle and the steerer tube and affects how the bike steers by changing the "trail" dimension. There are three different offsets: 46mm, 50mm, 54mm, and 58mm. Typically, shorter offsets are more stable but require more steering input to change direction. The opposite is true, too;