This is the replacement idler gear and shaft for the nitro Stampede/Rustler. This gear is located in the transmission.
Features: White nylon construction and steel shaft
Includes: One 20-tooth idler gear and idler gear shaft
Requires: Nothing, this is direct replacement part
Gear outer diameter: 17.5mm (0.69)
Diameter of shaft: 5mm (0.20)
Note: There is no metal upgrade to replace this part.