The Banebot motor-18v (
http://banebots.com/p/M7-RS775-18) has a 17040 rpm. After the P60 gearbox with a 16:1 deduction goes on (
http://banebots.com/pc/P60K-S7/P60K-44-0007), it has a 1065 rpm. Then the 32 tooth chained to 10 tooth sprocket makes it 3408 rpm.