The new simple motor and encoder kit from DAGU combines low cost, reliable encoders with powerful geared motors and 65mm diameter wheels with soft rubber tires and foam rubber inserts. The kit is a pair (One Left and one Right).
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 135 RPM.