MG311 Very Fast Wind 16''

Bafang G311 Front Geared Hub Motor Laced in 16" (ISO 305) Rim. Very Fast Wind (11.9 rpm/V).

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USD$300.00
Availability: Out of stock ETA:
SKU
M-MG311_VFst_16

Bafang G311 16'' front hub with a nominal 250-350 watt power rating. Works great for stealthy systems that do not require significant assist for steep hills or cargo. This motor is laced in a 16" (ISO 305) rim and includes an internal 6-pole speedometer sensor so it can use a CA-DP device and not require an external speedo pickup. It has a helical gears on the initial reduction of a double stage planetary gear and is exceptionally quiet for a geared motor.

This hub is wound with a very high 11.9 rpm/V winding constant appropriate for the very small wheel diameter, and is popular for use on Bob Trailers and certain recumbent bikes.

Uses 9-pin overmolded Higo Z910 waterproof connector for the motor phase, hall, and speedo wires. Has internal tabbed washers for anti-torque rotation with the dropouts and a round 10mm axle. Does not work with conventional torque arms.

For more details, see the G31X Geared Motor Info Page

More Information
Country of Manufacture China
Actual Weight (kg) 2.66
Manufacturer Bafang
Motor Nominal Wheel Size 16" (ISO 349)
Motor Power Range (Watts) 250-500
Motor KV (RPM / V) 11.9
Phase Resistance (Ohm) 0.075
Disk Brake Compatible Yes
Connector(s) Z910
Axle Length (O.L.D.) 100
Rim Brake Compatible yes
Spoke Holes 36 Hole
Motor Type Geared
Flange Spoke Diameter (mm) 123
Magnetic Pole Pairs (Phaserunner) 88
Speedo Poles (for CA) 6
Hysteresis Losses (N-m) 0.666
Eddie Losses (N-m / rad/sec) 0.015
Motor Inductance (H) 0.000098
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