Crystalyte H3540 (9.5 rpm/V) UFO Rear Motor with 142 x 12 Thru Axle Standard

Note: New torque arm design


Crystalyte H3540 UFO Rear Motor for 142x12 Thru Axle Bike Frames

  • 35mm wide stator and magnets
  • Full 18mm of space from the disk boss to the side cover, allowing for compatibility with majority of disk calipers
  • Cable routing terminates with waterproof L1019 plug with built in themistor tor temperature sensing
  • Uses threaded freewheel instead of cassette freehub. 8 and 9 speed freewheels and many 7 speed freewheels require additional axle spacer
  • Integrated torque arm - use Thru Axle Frame Clamp if you do not want to fabricate your own frame holder
More Information
Country of Manufacture China
Actual Weight (kg) 6.9
Motor Power Range (Watts) 600-1200
Motor KV (RPM / V) 9.5
Phase Resistance (Ohm) 0.123
Disk Brake Compatible Yes
Connector(s) L1019
Thermistor Style 10K NTC, B~3900
Axle Length (O.L.D.) 142
Spoke Holes 36 Hole
Motor Type Direct Drive
Flange Spoke Diameter (mm) 232
Magnetic Pole Pairs (Phaserunner) 23
Speedo Poles (for CA) 23
Hysteresis Losses (N-m) 0.77
Eddie Losses (N-m / rad/sec) 0.0185
Motor Inductance (H) 0.0005
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