The XB2 rear gear differential offers increased on-power steering that is beneficial on nearly all types of tracks, but is especially great on carpet and astro turf.
CNC-machined gear diff outdrive adaptors are super lightweight and manufactured from HUDY Spring Steel™, additionally hardened for extra lifespan and reliability.
The XB2 ball differential is recommended for all XB2 configurations when used on very-low to medium-traction dirt or clay surfaces to increase traction.