Universal Parts 11-Tooth Electric Motor Sprocket - #25 Chain

Get your electric scooter or mini-chopper back in motion with the Universal Parts 11-Tooth Front Motor Sprocket . Designed for MY1016/MY1020-style small electric motors, this sprocket features a "Double-D" bore with two flat sides for a non-slip, keyed fit on the motor shaft. Precision-cut teeth ensure smooth #25 chain engagement and quiet, reliable power transfer. Key Features Double-D Bore: Two flat sides (8.6mm apart) lock onto the motor shaft, preventing free-spinning under load. 11-Tooth Torque Profile: Ideal balance of low-end take-off torque and consistent top speed for small electric vehicles. #25 / #25H Chain Compatible: Fits the most common drive chain size used in electric powersports. Heat-Treated Steel: Resists tooth hooking and wear even with frequent stop-and-go use. Technical Specifications Tooth Count: 11 Outer Diameter: 25.5mm Inner Diameter (flat to flat): 8.6mm Inner Diameter (round to round): 10mm Chain Size: #25 / #25H Part Number: 127-7 Compatibility Universal fit for 24V, 36V, and 48V electric motors (200W–500W) with Double-D shafts: Vehicle Type Common Models Razor Scooters E300, Pocket Mod, Ground Force Go-Kart Razor Dirt Bikes MX350, MX400 (verify shaft shape) Electric Mini-Choppers Generic 250W–350W Boreem-style choppers Motors MY1016, MY1018, MY1020 (8.6mm flat shafts) Installation Tips Before ordering, verify your motor shaft shape. Razor and other manufacturers sometimes switch between Double-D (two flat sides) and round keyway shafts. This sprocket fits Double-D shafts only . About Universal Parts Universal Parts is a leading supplier of OEM-compatible replacement components for electric scooters and powersports vehicles. Their parts are engineered to factory specifications for reliable performance and straightforward installation. California Prop 65 Warning: www.p65warnings.ca.gov