Universal Adaptor For Lockrack Keys Arms are interchangeable between all

Arms are interchangeable between all of our bases

Sup X and Surfski X Lockrack Sets

These arms are great for Surfboards and SUP's

The Standard Mounting Bracket which is supplied with the Lockrack Sets - to fit Aerobars with a channel

SUP X and Universal X - Two sets are required

Universal Adaptor For Lockrack Keys Arms are interchangeable between allIf your vehicle does not have factory roof racks with an accessory groove on the top or aftermarket racks like Thule, Yakima or factory crossbars, you will need these universal bar adapters to properly attach the racks. 4 x Universal Adapters for round, square and factory crossbars. For Surf Board Racks 1 Set is Required. For Universal X, SUP X and Surfski X Units 2 Sets are Required.