1) N20 gear motor:
Body Size(Including Reduction Box):35.8 x 10 x 12mm
Shaft Diameter: 2.9mm, D Shaft
Shaft Length: 9.4mm
No-load speed: 300RPM ±10%
2) Rubber wheels:
Aperture:D Shaft 2.25mm hole
Material: ABS engineering plastics+import rubber
1pcs N20 Micro Gear Motor+Rubber wheels For Robot Smart Car
Wheels and hubs: The micro metal gear motor’s output shaft matches our assortment of Pololu wheels.
Mounting brackets: Our mounting bracket (also available in white) and extended mounting bracket are specifically designed to securely mount the Gearmotor while enclosing the exposed gears. We recommend the extended mounting bracket for wheels with recessed hubs.