We offer a wide range of IG32 (32mm), IG42 (42mm), and IG52 (52mm) motors with encoders, motor controllers with encoder feedback and breakout boards to interface a microcontroller board directly to the encoder.
This is a set of wheelchair motors and make great heavy duty robot motors. One left motor and one right motor. They are right angle gear drives with a release and electric brakes. They are 24VDC and the operating speed is 120 RPM.