Brand New - High-Powered 24 Volt 500W Electric Scooter Motor Specifications: 500 Watts of Power Operates at 24 Volts D/C Reaches a Speedy 2650 RPM Rated Current: 13.7 Amps Equipped with an 11-tooth sprocket Bracket Hole Spacing (left to right): 102mm (3-¾") Bracket Hole Spacing (front to back): 56mm (1-¾") Shaft Diameter: 12mm Shaft Length Overall: 1 inch Uses #25 chain (Not compatible with bicycle chain)