The inner diameter of the 15T/17T/19T pinion gear set is:5.0mm/0.196inch, come with a 3.175mm coupler to convert 3 pinions apertures to 3.175mm/0.125inch. Suitble for 5mm and 3.175mm shaft motors(3660 3670 3674 4274 4268 550 540 3650 etc).
0.8 metric pitch; compatible with 32-pitch, motor gear diameter: 45mm/1.77inch; inner diameter: 11.9mm/0,47inch, replace for 3956.
Suitable for traxxas slash gears is made of heavy duty hardened steel, long time life span.
The speed depends on your gear ration. We provide three different teeth slash 4×4 gear set to make you more choice in gear ration.
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