Pair of 4 inch rear drop outs attach the rack frame to the thru axle in your rear wheel. The asymmetrical design is specific to allow attachment to Robert Axle thru axles. Includes hook for attaching the lower part of your panniers. These dropouts are for all road, gravel and cross bikes with:
- 26 inch wheels
- 650b wheels
- 700c wheels that have less than 42 mm wide tires
