These are Gear Differentials Outdrive for use on the Associated RC18T2. 21317
FEATURES:
Plastic construction
Black in color
INCLUDES:
Two gear differential outdrives
REQUIRES:
Installation
SPECS:
Length-
Cup: 7.5mm (.30")
Overall: 19mm (.75")
Diameter-
Cup: 10mm (.40")
Shaft: 5mm (.20")