Well, I'm assuming this is a new thing for Powerdyne .... but I don't know. They have an internal drive belt ..... eliminating the need for oil to lubricate because there are no gears. What do you guys think of these? Anyone use them?
Click this link if you don't know what I'm talking about: http://powerdyne.com/silentdr.htm
Click this link if you don't know what I'm talking about: http://powerdyne.com/silentdr.htm