Traxxas stock replacement differential gear set for the T-Maxx. Stock Replacement Diff Gear Set for the Traxxas T/E Maxx. These gears can also be referred to as bevel gears. Constructed of durable steel. INCLUDED: Two 13 Tooth Output Gear Shafts Two 13 Tooth Spider Gears One Spider Shaft One 6x10x0.5mm Teflon washer Requires: Assembly into differential