Thule part number 50236. To fit 1 x 561 to Thule aero or wing bars you require part numbers .
Thule 591 T Bolt 92mm Spare for Square Bar Roof Mounted Cycle Carriers 50553
Thule T-Bolt x3 50554 for 591 561 532 64.5mm T Bolt for Square Roof Bar
Thule T-Bolt x2 50554 for 591 561 532 T Bolt 64.5mm for Square Roof Bar
Thule T Bolt 50236 40mm for 561 OutRide & 564 Fastride Roof Mounted Bike Carrier
Thule 532 591 561 3 x T Bolt Spare FreeRide ProRide OutRide
