1 bike fork roof mount carrier max load capacity 45 lbs per bike. The Spire adapter lets you mount a bike with a 15- or 20-mm thru-axle fork to a fork-mount rack with a 9-mm quick-release skewer. Aluminum adapter fits swagman and most other brands of fork-mount racks. Includes 2 aluminum tubes for both thru-axle sizes.
Swagman 64706 Bicycle Carriers Spire Fork Mount Roof Rack - B00YYQTTXK