Max45 Single Speed, Slw

Torque Sensing Rear Max45 All-Axle Hub Motor with Threaded Freewheel for Single Speed Bikes. 140mm Dropout. Slow 5 turn (~7.2 rpm/V) Winding. 

USD$945.00
Availability: In stock
SKU
M-AA4505R_FW

Rear Max45 All-Axle Hub Motor for single speed bicycles with built-in torque sensor, black anodized side plates, and threaded freewheel. Works with both 135mm quick release and 148mm thru axle dropouts. Perfect for chopper / cruiser bikes with no rear derailleur, or high end mountain or gravel bikes using Pinion gears in the bottom bracket. 

Slow 7.2 rpm/V Winding. Includes 10K NTC thermistor for motor temperature sensing and thermal rollback via controller or Cycle Analyst.

See Grin All Axle Hub Info Page for more details

More Information
Actual Weight (kg) 6.1
Manufacturer Grin
Country of Manufacture Canada
Motor Power Range (Watts) 1000-2000
Motor KV (RPM / V) 7.2
Phase Resistance (Ohm) 0.15
Disc Brake Compatible Yes
L1019 Motor Cable Length (cm) 26
6 Pin HiGo Cable Length (cm) 26
Thermistor Style 10K NTC, Beta ~3450
Axle Length (O.L.D.) 135
Spoke Holes 32 Hole
Motor Type Direct Drive
Flange Spoke Diameter (mm) 214
Magnetic Pole Pairs (Phaserunner) 23
Speedo Poles (for CA) 23
Hysteresis Losses (N-m) 1
Eddy Losses (N-m / rad/sec) 0.007