Brand: Hot Racing
Part Number: ERVT54M01
Hot Racing 54t Mod 1 Steel Spur Gear E Revo 2 X-Maxx Xo-1 (part #ERVT54M01), made for the Traxxas X-Maxx. Spur size sets the final drive ratio, and a steel or hard-anodized spur stands up to brushless power much better than stock.