Custom made to fit motors B81HT and B82HT

17mm bore with a 6mm keyway
Weight: .5 lb
Machined out of 1/2" x 3.5" 6061 Aluminum
Bolt Circle: (4) @ 2 3/4" and (4) @ 2 13/16"

NPC-B81HT High Torque Left-Side Geared Motor

NPC-B82HT High Torque Right-Side Geared Motor