Easy connection and swaps between bikes for more adventures.The Steel Hitch makes connecting your Burley trailer quick and secure with simple one-time installation. Add extra hitches to multiple bikes for seamless trailer swaps and more flexible adventures wherever you ride.Compatibility: Bikes with disc brakes: Yes Bikes with full suspension: Yes QR axles and solid axles up to 12mm: Yes 12mm thru axles: Yes, (with Burley's Adapted Thru Axle) Bikes with breezer-style dropouts: No