Euro Pitchfork fits Thule Rapid Aero bars, Audi, VW, BMW, Mini Cooper slotted crossbars * Stainless steel, long-throw, lockable quick-release makes loading bikes easy and fast * Compatible with disc and standard brake systems * Holds skinny road tires to 2.7" mountain bike tires * Securely lock your bike to the rack and the rack to your car with Rocky Mounts lock cores (sold separately)