CineDrive Slider Motor (50 Series)We recommend the 100 series motor for most applications. If lifting (vertically) more than 12. 5 lbs., we would suggest a stronger motor however you will lose top end speed. (100 series is 2X faster than the 200 series when at the same speed setting) This explanation pertains primarily to the use of our slider in a vertical or inclined configuration. Although the mechanical portion of the motor is the exact same as its analog elektraDRIVE counterpart,