OPTIONAL GEAR SETS: Use these optional gear sets to fine tune your Nitro 4-Tec’s ratios. The gear ratios must be changed as 1st and 2nd gear sets in order to maintain compatible gear center distances.
Weights & Dimensions
Search JPerkins.com by matching specification
Search for matching products across the site or just by Traxxas or just in Spares/Cars
You can also find more similar products in the Traxxas brand store in Spares/Cars.