【15T/17T/19T pinions】Inner diameter: 5.0mm/0.196inch, come with 3.175mm coupler to convert 3 pinions apertures to 3.175mm/0.125inch. Suitble for 5mm and 3.175mm shaft motors
【Material】Made of high-strength hardened steel, increased wear resistance and last longer life, M4 set screw has been added to each pinion gear used to prevent slipping
【Free Style】The speed depends on your gear ration. We provide 3 different teeth pinion gear(15T/17T/19T) to make you more choice in gear ration
Description
Key Features:
All metal internal gears for high strength
Comes with 15T/17T/19T pinions for different situations use
Easy to use and install