555 Size DC Motor with Encoder, 12V - 8000 RPM - RobotShop

12V DC Motor 146RPM w/Encoder - RobotShop

DC Planetary Geared Motor w/ Encoder Diameter 36mm - 12V 345RPM - RobotShop

555 Size DC Motor with Encoder, 12V - 8000 RPM - RobotShop

775 Size DC Motor with Encoder, 12V - 4100 RPM - RobotShop

12V DC Motor 146RPM w/Encoder - RobotShop

12v Geared Dc Motor Encoder 12v Dc Motor Encoder High Torque - 36gp-555 Planetary - Aliexpress

8.5D coreless DC motor, 3.7V - 53000 RPM - RobotShop

555 Size DC Motor with Encoder, 12V - 8000 RPM - RobotShop

DC Planetary Geared Motor w/ Encoder Diameter 36mm - 12V 345RPM - RobotShop

Brushed DC Pager Motor (RPM2) - RobotShop