Best Seller | MultiCart RRK1 Cargo Extension Rack RRK1 Authorized MultiCart USA Dealer! Read 15.00 User R... [Pre Order - allow extra time] MultiCart RRK1 Cargo Extension Rack Fits R6, R8, R10, and R12 Carts, Easily Attaches/Detaches to Either End, Adds Approx. 20% of Cubic Cargo Capacity, Great for Odd-Shaped Hard-to-Stack Loads ... more MultiCart RRK1 Cargo Extension Rack RRK1 [Pre Order - allow extra time] MultiCart RRK1 Cargo Extension Rack Fits R6, R8, R10, and R12 Carts, Easily Attaches/Detaches to Either End, Adds Approx. 20% of Cubic Cargo Capacity, Great for Odd-Shaped Hard-to-Stack Loads | | $49.98 FREE shipping go to store |