RockNRoller RWHLO8X3 8x3 Ground Glider Wheel with Offset Hub, Rear Wheel Upgrade for R6, R8, R14, R16, 2-PackRockNRoller RWHLO8X3 8x3 Ground Glider Wheel with Offset Hub, Rear Wheel Upgrade for R6, R8, R14, R16, 2 Pack 8"x3" offset R Trac no flat wheels combine the advantages of pneumatic and solid wheels. 30% lighter than even pneumatic wheels and features soft cushion ride, low rolling resistance, high strength polymer hub, and no flat tire. Fits cart modelsR6, R8, R14, and R16. Sku: RWHLO8X3 Sold as a set of 2 wheels Installation hardware included This