Love our Switch Rack, but would prefer to use your bikes frame bosses? The Direct Mount Adaptors are for you. Convert your thru-axle Switch Rack to direct mounting. (Note: if you do not currently own a Switch Rack, it is possible to buy the rack with Adaptors included.)Direct Mount Adaptors for Switch Rack are designed to fit all bikes with horizontal/in line M5 rack/mudguard mounts. All mounting hardware is included.Fitting the Direct Mount Adaptors:Direct Mount Adapters are designed to be compatible with frames which have horizontal / in line M5 mounting positions on the dropoutsThey can be installed onto frames with M5 mounting points on the seat stays, but it is important to ensure that these are horizontal and in line to avoid the rack from binding during installationDirect Mount Adaptors are not designed to be compatible with frames which have M5 mounting positions angled upwards or inwardsFor frames with 135mm and 142mm axles, set the adaptors so the short end is seated within