20mm x 20mm x 3mm Base. Note: Thule cycle carriers use a fine thread pitch, these will not be compatible. M6 x 25mm Thread. Standard Thread Pitch M6 x 1mm.
T Track Fixing T-Bolts Ski Cycle Adapter Rack x 4psc (20mm x 20mm x 28mm)
20mm x 110mm Thru-Axle Fork Mount Adapter | Fits SeaSucker Bike Carrier Rack
Hilka 83100505 Polish Applicator Pads, Set of 3, Blue,White, 125 x 20mm
Tyger Auto TG-RK1B942B Heavy Duty Roof Mounted Cargo Basket Rack | L57.5 x W42 x H6 | Roof Top Luggage Carrier | with Wind Fairing
WILDROAD Car Roof Cargo Carrier Combo of Upgraded 64"x 39"x 4" Roof Rack Cargo Basket with 21 Cubic ft Ultra Waterproof Anti-Tear Fabric Cargo Carrier Bag and Super Duty Bungee Cargo Net
Yakima Whispbar Wingbar Aero-X S53B Roof Rack Bars Low Profile for Roof Rails
