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"Nine Continent Rear Hub Motor with larger 212mm rotor diameter for higher torque and better copper fill than normal 205mm DD hub motors. 27mm wide stator with 0.35mm laminations for reduced rolling drag and side cable exit for better protection and torque arm installation. Uses modern cassette freehub system with 135mm axle spacing and proper disk rotor alignment and caliper clearance for standard bike fit compatibility. Terminated with new L10 waterproof high power motor connector and includes 10K NTC thermistor for motor temperature sensing and thermal rollback, plus sealed side plates with Statorade injection port via disk rotor hole.

Actual Weight (kg) 6.3
Country of Manufacture China
Manufacturer Nine Continent
Motor Power Range (Watts) 600-1200
Motor KV (RPM / V) 8.2
Phase Resistance (Ohm) 0.165
Disk Brake Compatible Yes
Axle Length (O.L.D.) 138
Spoke Holes 36 Hole
Nominal Wheel Size Unlaced
Flange Spoke Diameter (mm) 238
Magnetic Pole Pairs 26
Hysteresis Losses (N-m) 0.715
Eddie Losses (N-m / rad/sec) 0.009


Nine Continent 9C212 Rear Cassette Motor Dimensional Diagram"


^Above information and pictures are provided by the distributor, Grin Technologies.