EMX® QS138 70H V1 Kit - Electro & Company Inc.
EMX® QS138 70H V1 Kit - Electro & Company Inc.
EMX® QS138 70H V1 Kit - Electro & Company Inc.
EMX® QS138 70H V1 Kit - Electro & Company Inc.

EMX® QS138 70H V1 Kit

Regular price$1,024.00
Shipping calculated at checkout.

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QS138 70H V1 72V IPM PMSM Mid Drive Motor Kit

The infamous QS138 to this day has little to no competition in the electric power sports market. With its v-shaped embedded magnets and finned body that provide excellent heat dissipation, Its is hard to beat. The QS138 70H is well known around the world for its ability to produce power in a small form factor. A tried and true motor that packs a hefty punch for its size and weight. This is the sleekest version of the qs138 and is always an excellent choice.

Electro and company has paired this motor with these three outstanding performers. The Votol EM-150/2 brings all the performance of the original EM-150 but in a smaller form factor. This Combo is great for any small to medium size motorcycle on or off road and is capable of up to 16kW Peak.

Then there is the EM-200/2 that bumps it up a notch with a small increase in footprint to 20kW Peak, This controller is appropriate for medium size motorcycles and powersports vehicles.

If your looking for yet even more power take a look at the all new EM-260 Controller that brings the power up to a astonishing 28kW Peak! This Combo is ideal for larger wheel motorcycles that need big bike power but in a form factor that will fit into the space constraits of your project.


Our kits come pre wired and pre tuned for powersports applications with our specialty being competition motocross. You will save years on your life not stressing about the details of wiring and tuning your setup that will not come with proper instructions or documentation from overseas. Just plug in an E&C kit, apply power and go! We build you a custom braided harness complete with Waterproof connectors, Switches, Throttle & Controller that is pretuned with our proven EMX setup.

Key Features 

  • Convenient Mounting locations
  • Light weight and small dimension compared to other motors of similar power outputs
  • V configured rotor design allows for higher RPM with flux weakening
  • High Torque suitable for high performace high load situations such as climbing and racing.
  • No setup required with Electro & Companies tried and true plug and play service

Display Options

  • DKD Display - Heads up display unit that shows the rider battery life, speed, amperage draw, mode selection & more.
  • Volt Meter - Handlebar mounted voltage meter that allows the rider to get an exact voltage reading at a glance.

Current Lead Time

1-3 Weeks

Motor Specifications

Weight: 28lbs

Diameter: 150mm (mounts not included)

Length: 234mm

Rated RPM: 4000

RPM with Flux: 6500+

Rated Power: 3kW continuous

E&C Findings: 28kW bursts

Controller Specifications

Standard EM-150/2:

Length: 223mm

Width: 134mm

Height: 70mm

Voltage: 40-90v

Peak Amps: 200A

Max Output: 16,000w (16kW)

Optional EM-200/2:

Length: 250mm

Width: 138mm

Height: 76mm

Voltage: 40-90v

Peak Amps: 250A

Max Output: 20,000w (20kW)

Optional EM-260s:

Length: 214mm

Width: 134mm

Height: 80mm

Voltage: 40-90v

Peak Amps: 350A

Max Output: 28,000w (28kW)

Note: Kits purchased with battery come with 5a charger and matching controller leads.

Note: Standard motor rotation direction is counterclockwise, as for motorcycles with the chain on the left hand side. If you need a clockwise rotation direction please request when ordering.

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