Free Shipping! MultiCart R-Trac Rear Wheel with Offset Hub for RMH1 & R2 Carts (6 x 1.5", 2-Pack) Replacement Rear Wheel with Offset Hub, Pneumatic Tire-Like Cushioned Ride, Low Rolling Resistance, Foam-Filled, No-Flat Tires, For RMH1 & R2 Carts