Originally Posted by
nivola
Hey all anyone know of a 72T spur gear that I can use on a trf417?
Will this work? TOP-Racing-Products-48P-Spur-Gear-72T
Too small. You'll have to mill out the motor mount for it to fit smaller spurs. I got a 86T(64P) on with a little milling. Then ended up using 90T(64P).