Zen Racing introduce this diff hub set for 1/12th on-road chassis. The set has been designed to give 1/12th rear wheels a more positive lock to eliminate wheel wobble. Also with the addition of the left hand clamp spider the rear axle weight is far more equal aiding better drive forward and a better balanced rear axle. The hubs also make use of M2.5 screws over the conventional 4-40 fasteners for an easy and simple use track side. All parts are also available separately.