Description

The QS 205 V3MD BLDC out-runner motor (24x5T) delivers impressive torque—around 190Nm—making it an excellent choice for high-performance applications. This motor is perfectly compatible with Q140MD frame kit. It’s completely silent in operation, offering a highly responsive feel between the throttle and rear wheel. Perfect for wheelies, this motor is built for fun and control. For improved heat dissipation, we recommend using cooling Ferro-fluid (Item 7). The motor already includes a dedicated filling port for easy FF application.

Motor specifications:
• BLDC Permanent Magnet Outer Rotor Motor
• 50mm magnet height, 16 pole pairs, 3000W rated
• Speed: 24*5T, 650RPM at 72V, equal to 9.03kV
• Torque: approx. 190Nm@ 72V 150A Battery Current
• English thread for single-speed Freewheel
• Dual Halls with waterproof connectos
• 10mm² Phase wire
• Thermic Probe: KTY 83/122
• Waterproof grade: IP54
• Efficiency: ≥87%
• 10mm Axle flats

Important notice:
The motor is equipped with KTY83/122 temperature sensor and needs to be protected from over temperature (limit range: 130‐140°C). We strongly advise to use display (CA3 for ex.) or controller to regulate the motor power. Not protecting the motor from over‐temperature voids the warranty!

The motor’s power cable length is 36 cm, measured from the outlet to the connectors. The cable is equipped with the M6 lug phase connectors and 6-pin water tight Hall connectors (motor has two sets of Hall sensors). You will have to install the motor, connect cables, install seal, secure cable with zip ties and tighten all nuts and bolts.

Motor Add-ons are available separately, for ex.:

• Single speed freewheel
• Cooling Ferro-fluid
• Motor chain
• Motor chainwheel 22T, 26T
• Rear chainwheel 26T, 30T, 34T, 38T

What’s included:

• 1 x Motor
• 2 x Bearing for swing arm
• 5 x 2 mm Motor axle spacer
• 2 x M16 nut
• 2 x Axle end covers
• 2 x M5x10 Countersunk torx bolt

Additional information