Rock N Roller RWHLO6X2 6" x 2" R-Trac Rear Wheel (for R2G, R2 Upgrade), 2-pack

The 6"x2" offset hub R-Trac no-flat wheels combine the advantages of pneumatic and solid wheels. This rear wheel upgrade for the R2, and R2G is 30% lighter than even pneumatic wheels and features soft cushion ride, low rolling resistance, high-strength polymer hub, and no-flat tire.