This is a Serpent Spiral 43T Differential Ring Gear. The 43T ring gear and 10T pinion (SER600695 - not included) have a slight spiral cut. Precision machined from topquality steel and hardened, these gears run supertrue and smoother than the straight cut gears. These are included as standard equipment on the Cobra E-truggy and are an excellent upgrade for the Cobra Nitro Truggy.
This product was added to our catalog on September 19, 2014