M4040R_TA

Crystalyte H4040 UFO Rear Motor with 148 x 12 Boost Size Thru Axle Standard
Note: New torque arm design

SKU

M-M4040R_TA

Crystalyte H4040 UFO Rear Motor for 148x12 Boost Size Thru Axle Bike Frames

40mm wide stator and magnets for extra power
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 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)	7.46
Motor Power Range (Watts)	1000-2000
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.)	148
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