Canadian
Rear Max45 All-Axle, Slw 1Spd
Torque Sensing Rear Max45 All-Axle Hub Motor for Single Speed Bikes. Slow 5 turn (~7.2 rpm/V) Winding. Threaded Freewheel.
USD$895.00
Availability:
In stock
Only 1 left
SKU
M-AA4505R_1S
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 142/148mm 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
| Actual Weight (kg) | 6.1 |
|---|---|
| Manufacturer | Grin |
| Country of Manufacture | Canada |
| Motor MFG | Grin Tech |
| Motor Power Range (Watts) | 1000-2000 |
| Motor KV (RPM / V) | 7.2 |
| Phase Resistance (Ohm) | 0.100 |
| Disk Brake Compatible | Yes |
| Connector(s) | L1019 |
| 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 |
| Eddie Losses (N-m / rad/sec) | 0.007 |