Auto & Motor Parts. New AC Gear Motor Electric Motor Variable Speed Reduction Controller 1:10 125RPM. This item only support 220V. Specification: Reduction ratio: 1:10 (can be customized) Voltage: AC 220V Single Phase Motor power: 25W Speed: 0-125rpm (can be customized) Motor size: 9090MM Axis diameter: 10MM Axis length:32MM Hole to hole center distance: 67MM Keyway: 4MM. The default is 10K (125 rpm 0 rpm), if you need others, please tell us. 1:3 (415 rpm 0 rpm) 1:5 (250 rpm 0 rpm) 1:10 (125 rpm 0 rpm) 1:15 (83 rpm 0 rpm) 1:20 (62 rpm 0 rpm) 1:25 (50 rpm 0 rpm) 1:30 (41 rpm 0 rpm). 1:100 (12.5 rpm 0 rpm). 1 x AC Gear Motor 1 x Speed Controller. Please list your special requests color, packages, etc. Sincerely hope you do not leave us any negative or neutral feedback. Communication is very important, we believe we can resolve all the problem with each other. Welcome to visit our new store! We are a leading wholesaler and distributor of Tools & Workshop Equipment, Home Improvement, Kitchen, Dining & Bar Supplies, Auto Parts & Accessories etc. We will give you the best advise. We welcome to answer any questions you have. (weekend and holidays excluded).