Traxxas 7871 Sledgehammer Belted Tires Black Wheels On-Road Tires This is the optional Robinson

This is the optional Robinson Racing 16 Tooth Pinion Gear for the

1546 78 tooth

Fine-tune Ackermann on the fly with the adjustable servo mount

High-quality decals pre-applied for a finished

RPM A-arms are molded from a nearly indestructible blend of engineering grade nylons for performance you can rely on when the conditions are at their worst

Traxxas 7871 Sledgehammer Belted Tires Black Wheels On-Road Tires This is the optional RobinsonThe Traxxas 7871 is a pair of fully assembled and glued tires and wheels for the X Maxx and X Monster Chassis: Sledgehammer belted tires on black X Maxx wheels with foam inserts installed. Sold as a left and right pair, ready to bolt on. The belted construction is the important part. At the speeds and tire diameters these trucks run, an unbelted tire balloons outward under centrifugal force it grows, goes out of round, and the truck gets unstable at