This motor works well as a replacement/upgrade in the ELF solar e-bike. It fits in ELFs that originally had the geared MAC motor (model years 2013-2015). If your ELF originally had the TDCM direct drive motor (made in ~2015-2019), we recommend this motor instead.
Pair with the Baserunner L10 or Phaserunner motor controller for optimal results.
"GMAC Clutchless Geared Hub Motor, 8T (10.2 rpm/V) Winding. This motor includes an internal 6-pole speedeometer sensor so it can use a CA-DP device and not require an external speedo pickup. Includes 3 piece CNC'd torque arm with inner spline made from 7075 alloy. For more details see the GMAC Info Page
Actual Weight (kg) | 3.82 |
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Manufacturer | MAC Motor |
Motor Power Range (Watts) | 600-1200 |
Motor KV (RPM / V) | 10.2 |
Phase Resistance (Ohm) | 0.046 |
Disk Brake Compatible | Yes |
Connector(s) | L1019 |
Axle Length (O.L.D.) | 138 |
Spoke Holes | 36 Hole |
Motor Type | Geared |
Flange Spoke Diameter (mm) | 173 |
Magnetic Pole Pairs (Phaserunner) | 80 |
Speedo Poles (for CA) | 6 |
Hysteresis Losses (N-m) | 1 |
Eddie Losses (N-m / rad/sec) | .013 |
Motor Inductance (H) | .00014 |
GMAC Motor Dimensional Diagram
^ Above information provided by Grin Technologies, the supplier.