Traxxas has updated the X-Maxx to be even tougher and now reach speeds of 50mph! New features to accomplish this include the VXL-8s esc, stronger precision steel gears, all-new ring and pinion gears, a new impact-absorbing Cush Drive, larger diameter driveshafts, and larger main bearings, heavy-duty, cast-alloy, Torque-Biasing Center Drive unit and much more.
If you already own an X-Maxx just get the Power-Up kit to get everything in one place to get your machine up to speed!