This is the optional Robinson Racing 50T Spur Gear

Bearing caps

which won the 2008 IFMAR World Championships at the Farm 2

The set includes four wheels and is listed under SKU PHB7314Grey

Front anti-roll bars

ARRMA 1/10 Kraton 4S 4X4 RTR Brushless Speed Monster Truck Color:Red This is the optional RobinsonARRMA 1 10 Kraton 4S 4X4 RTR Brushless Speed Monster Truck The ARRMA Kraton 4S BLX is a ready to run 1 10 scale speed monster truck built for high speed bashing, big jumps, and all terrain action. It features 3S 4S brushless power, 4WD traction, a center differential, Spektrum Smart electronics, and 55+ MPH speed capability. Key Features 1 10 scale ARRMA speed monster truck 3S and 4S LiPo compatible 55+ MPH speed capability 4X4 drivetrain Brushless