DM02 Mid Drive Motor
Torque Sensor / Cadence Sensor

PRODUCT

DM02 Mid Drive Motor
Torque Sensor / Cadence Sensor

DM02 Motor: Affordable E-Bike Mid-Drive Powerhouse

Mid-drive Motor E-Bike

Notice: Unauthorized alterations to the motor’s voltage beyond the factory-specified levels may result in permanent damage to the motor and are not covered under the warranty.

Competitive Pricing DM02 Ebike Mid-Drive Motor with Enhanced Features

 

E-bike Mid-Drive Motor

DM02 Ebike Mid-Drive Motor:

Equipped with Torque Sensor & Cadence Sensor.

Up to 500W Rated Power Output.

Output Torque of 90Nm.

Compatible With 24,36, 48, 52,60 Volts Battery Range.

 

Mid Drive E-bike Motor

Better heat dissipation ensures cooler and longer operation, optimizing E-bike motor efficiency.

Enhanced power output ranging from 250W to 500W for dynamic e-bike performance.

High speed ratio (53) provides swift starts and impressive climbs.

 

E-bike Mid-Drive Motor

Seamless integration with 95% of standard bike frames for easy installation of E-bike mid-drive motors.

Engineered for a smooth, comfortable journey, resembling the traditional bicycle feel.

Crafted from robust Aluminum alloys, ensuring durability in various environments.

Trusted by top electric bicycle manufacturers for enduring performance.

 

Upgrade Your E-bike Today with DM02 Mid-Drive Motor!

 

Additional informations

Mounting Position

Central

Shell Color

Black / Silver

Rated Power

250W – 350W – 500w

Rated Voltage

36V/48V

Wheel Size

20’~29′

Max. Speed

100rpm

Max. Output Torque

90N.m

Speed Ratio

53

Assist Ratio

2.5-3

Efficiency

>80%

Sensor Style

Cadense/Torque

Teeth Species

42T 46T

Noise Level

<50dB

Work Temperature

-20℃-50℃

Motor Weight

3.6-3.9Kg

Waterproof Level

IP65

① BB=68-73	DM02-500	DM02-350
DM01 Mid Drive Motor Installation        

Component Part Specification Qty BB=68 BB=73
Axle Screw M8X1X15 2
Left Crank 170mm 1
Non-standard Nut M33.5X1.5 1
Screw See Column 4 or 5 2 M6X14 M6X20
Reinforced Plates 1
Lock washer See Column 5 2 × Φ6X5
Drive Unit DM02-500 or DM02-350 1
Crankset 42T or 46T 1
Locknut M42X1.5 1
Right Crank 170mm 1
② BB=100-110 DM02L-500 DM02L-350 DM01 Mid Drive Motor Installation
Component Part Specification Qty BB=68 BB=73
Axle Screw M8X1X15 2
Left Crank 170mm 1
Non-standard Nut M33.5X1.5 1
Screw See Column 4 or 5 2 M6X45 M6X55
Reinforced Plates 1
Bushing See Column 5 2 Φ6X32 Φ6X42
Drive Unit DM02L-500 or DM02L-350 1
Crankset 46T 1
Locknut M42X1.5 1
Right Crank 170mm 1
   ① BB=68   CL=50(or 59)  
         Model:   DM02-500     DM02-350



DM01 Mid Drive Motor Dimensions    


   ② BB=73   CL=52.5(or 61.5)  
         Model:    DM02-500     DM02-350

 DM01 Mid Drive Motor Dimensions    

    ③ BB=100    CL=66(or 75)  
          Model:     DM02L-500      DM02L-350


DM01 Mid Drive Motor Dimensions    




    ④ BB=110    CL=71(or 80)  
          Model:     DM02L-500      DM02L-350

DM01 Mid Drive Motor Dimensions    

DM02 Mid Drive Motor Torque Sensor / Cadence Sensor

1) Installation Tool 

   ① Special wrench:
           
   DM01 Mid Drive Motor Installation               

   ② General tools:
            6mm  Allen wrench    
            8mm  Allen wrench
            5-8mm Slotted screwdriver
            3-5mm Phillips screwdriver
            Scissors


2) Cranket Mounting
   -  Tools: Special wrench

   -  Operation: Align the internal splines of the cranket 8 with the external 
      splines of the motor 7, press firmly to the end. Then tighten the lock nut  9, 
      counterclockwise with a special wrench with a tightening torque of 15Nm

   -  Diagram:
 
  DM01 Mid Drive Motor Installation 

3) Motor Mounting

  -  Insert the mid-drive motor through bottom bracket from right side of the bicycle 
     frame and push it all the way
    
                   
   DM01 Mid Drive Motor Installation 

    -   Reinforcement Plate Mounting
    -   Tools: 6mm Allen Wrench
    -   Components(see: factory configuration):Reinforcement plate 6、M6 screw 5、 
            M6 screw 4(X2)、washer or bushing 6(X2)
    -	Requirement: Screw tightening torque 9-10Nm
    -	Diagram:

    - BB=68	

  DM01 Mid Drive Motor Installation 

    - BB=73   washer specification  Φ6X5

 
  DM01 Mid Drive Motor Installation 


    - BB=100  Bushing specification  Φ6X32	
    - BB=110  Bushing specification  Φ6X42
 

   DM01 Mid Drive Motor Installation 

    ③  Non-standard nuts installation
    -	Tools: Special wrench
    -	Components(see: factory configuration):non-standard nut 3
    -	Requirement: before tightening the nut, turn the motor clockwise until the 
        motor is close to the lower tube of the frame and does not turn until it 
        stops, then use a special wrench to tighten the nut, torque is 45-50Nm when 
        tightening
    -	Diagram:

  DM01 Mid Drive Motor Installation 


     ⑤  Crank Installation
        -	Tool: 8mm Allen wrench
        -	Components(see: factory configuration):axle screw 1 (X2)、left 
                crank 2 、 right crank 10
        -  	Requirement: central axle screw locking torque is 35-40Nm
        -	Diagram:
 

  DM01 Mid Drive Motor Installation 



4) Speed Sensor Installation
   ① Tool:  5-8mm flat-blade screwdriver	
     3-5mm Phillips screwdriver	
     Scissors

   ② Fasten the sensor to the frame flat fork with 2 cable ties, then install the 
     magnets onto the wheel spokes with a flat-blade screwdriver

   
      Notice:Make sure the magnetic field side of the magnet is aligned with the 
      circular mark on the sensor

   ②  Loosen the screws on the sensor with a Phillips screwdriver, then move the 
      receiver of the speed sensor, to ensure that the distance between the circular 
      marking to the sensor surface and the magnet is from 2 to 10 mm, the tighten 
      the screw with a screwdriver to complete the installation
DM01 Mid Drive Motor Installation DM01 Mid Drive Motor Installation
1-Sensor 2-Tie 3-Magnet 4-Screw 5-Receiver 5) Wiring ① Operation: Insert the plugs on the bus cable, battery and speed sensor to the corresponding plugs of the motor,the other end of the bus cable can be plugged into the display, brake, throttle, etc. ② Precautions: Try not to pass all cables through the narrow space of the motor and bike frame, so as to avoid the cables being squeezed and damage 5. Warranty: The warranty on the motor is valid for 24 months from the SN date of production. This warranty does not mean that seller's products are not free from damage or permanent use. 6. Compatibility: Due to different communication protocols, our motors can only be used with the accompanying accessories we provide and are not compatible with accessories from other brands. ATTENTION: WARRANTY VOID IF SEAL IS REMOVED

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