Grin Max45 All-Axle Rear Hub Motor for 16–20″ Wheels (Fatbike)
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$895.00 USD
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A Grin Max45 All-Axle rear hub motor for fatbikes, suited to 16–20″ wheels (9 rpm/V).
Specs:
- The higher-power fatbike version, with a wider hub that laces easily into fat rims
- Built-in pedal-assist torque sensor, so you don't need a separate bottom-bracket sensor
- Fits Shimano HG cassettes
- Fits quick-release and thru-axle fatbike dropouts
- Built-in temperature sensor guards against overheating
See the Grin All-Axle info page for details.
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Specifications
| Motor type | Direct Drive |
| Position | Rear |
| Winding speed (Kv) | 9 rpm/V |
| Spoke holes | 32H |
| Weight | 6.1 kg |
Connectors
Higo Signal CSignal / control
L1019Motor phase
Technical details
| Thermistor | 10K NTC, Beta ~3450 |
| Speedo poles (Cycle Analyst) | 23 |
| Flange spoke diameter | 214 mm |
| Spoke-calculator hub ID | GR_45 |
Downloads
CAD & 3D Files
