Quickest-mounting roof carrier for 2-person bikes. Unique pivoting fork mount design enables easy one-person tandem loading. Converts easily to carry conventional bikes. Fits square and round load bars. Locking option: 538 Cable Lock (not included). Thule base rack assembly (load bars, foot pack, fit kit) sold separately. Please consult the Thule Rack Finder to match the correct Thule parts with your vehicle. 91021558274 19586900012 558P