DT Swiss Ratchet Freehub Body Description: The DT Swiss Ratchet Freehub Body is an aluminum Micro Spline compatible freehub body used in the DT Swiss mid-range line. It's designed for use with 12 x 142mm hubs that use a thru-axle and it includes an end cap. Features: Ratchet system used in mid-range products such as the 350 hubs Specifications: Material: Aluminum Cassette Body Compatibility: Shimano Micro Spline Color: Black