The 9mm adapter is compatible only with the SlikFit™ FatAxle, our 20mm through-axle bike rack. This adapter allows the user to convert the FatAxle to a standard 9mm bike carrier. Includes the 20mm Axle Core and the 9mm Quick Release Skewer.
SlikFit™ 20mm - 9mm adapter Features:

Compatible only with the FatAxle Car Top Bike Rack
Converts the FatAxle to a standard 9mm Bike carrier
Includes 20mm axle core and 9mm Quick Release Skewer
For the majority of riders

Questions? Email info@slikfit.com