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)
Product Diagrams
Features
Double-D Bore (8.6mm Flat-to-Flat) — Non-Slip Keyed Fit on MY1016/MY1020-Style Motor Shafts
11 Teeth — Balanced Low-End Torque and Top Speed for Small Electric Vehicles
#25 / #25H Chain Compatible — Most Common Drive Chain in Electric Powersports
Heat-Treated Steel — Resists Tooth Hooking and Wear Under Stop-and-Go Use
Fits 24V, 36V, and 48V Motors (200W–500W) with Double-D Shafts
Same day shipping for orders placed before 2PM (CST) M-F
30-day return period on eligible items
Flat-rate shipping for orders shipped to the 48 Contiguous United States.
