Availability: Out of stock


Quick Overview

9C+ REAR 2705 Disk Compatible Motor with 0.35mm Laminations and Thermistor. 12.5 rpm/V for 20" Wheels.
End of Year Sale, 40% off Remaining Hubs

9C+ 2705 Rear Hub Motor

More Views

Nine Continent 2705 REAR Hub Motor updated with 0.35mm Laminations for reduced rolling drag and higher peak efficiency. Includes 10K NTC thermistor for motor temperature sensing and thermal rollback with V3 Cycle Analyst. The 5 turn motor winding runs at 12.5 rpm/V unloaded, and is great building for fast ebikes in 19" or 20" rims. Uses screw-on freewheels
Actual Weight (kg) 6.25
Country of Manufacture China
Manufacturer Nine Continent
Motor Power Range (Watts) 500-1000
Motor KV (RPM / V) 12.5
Phase Resistance (Ohm) 0.10
Disk Brake Compatible Mostly, requires axle spacer washer to 138mm OLD
Axle Length (O.L.D.) 135
Spoke Holes 36 Hole
Nominal Wheel Size Unlaced
Motor Type Direct Drive
Flange Spoke Diameter (mm) 232
Magnetic Pole Pairs (Phaserunner) 23
Speedo Poles (for CA) 23
Hysteresis Losses (N-m) 0.6
Eddie Losses (N-m / rad/sec) 0.0022
Motor Inductance (H) 0.0002

You may also be interested in the following product(s)