The DM01 Motor: Engineering Excellence for E-Bikes
1. Introduction to the DM01 Motor
In an era where the frontiers of creativity are ever-expanding, To7motor stands out as a beacon of advancement in the e-bike technology landscape.
Introducing the DM01 Mid-Drive Motor—the quintessence of e-bike ingenuity and performance. Boasting a formidable rated power of 750W & 1000W, this motor delivers a thrilling fusion of velocity and power, transforming each journey into an adrenaline-fueled adventure. A hefty torque of 160Nm launches you ahead with conviction, effortlessly surmounting inclines and accelerating with notable ease.
With an IP65 waterproof rating, the DM01 excels under any conditions, whether it’s amidst drenching rains or on sun-baked trails. Its compatibility with 48, 52, and 60-volt battery configurations allows for a smooth integration with diverse e-bike models, offering you the liberty to select the power system that aligns with your cycling preferences.
Designed with performance at its core, the motor hits a top speed of 160RPM, placing you well ahead of the competition. Built to last, it performs flawlessly in a broad temperature spectrum from -20°C to 50°C, guaranteeing dependability from icy dawns to the height of the midday heat.
The central position of the DM01 ensures perfect equilibrium and integration with the bike’s framework, enhancing the sensation of the bike being a natural extension of the rider. Advanced cadence and torque sensors provide a ride that feels instinctive, with power adjustments that are in tune with the intensity and tempo of your pedaling.
Able to accommodate chainrings from 34T to 54T, this motor is tailored to your individual riding demands, whether seeking speed or torque. Its ultra-quiet operation at under 50dB guarantees that your rides remain tranquil, letting you absorb either the tranquility of nature or the city’s ambiance.
At 5.8 & 6 kilograms, the motor’s weight reflects its robust construction while still preserving the nimbleness of the bike. The DM01 is more than just a motor—it’s the pulsating core of your e-bike adventure, propelling you with strength, precision, and intensity.
The DM01 adapts with ease, featuring a BB Axle designed to snugly fit sizes from the standard 68mm and 73mm to the expansive 100mm and 110mm, catering to a broad array of bike styles and certifying its role as the powerhouse of your riding experience.
With a Reduction Gear Ratio of 40.27:1, this motor is crafted for peerless efficiency, channeling your pedaling effort into potent motion while preserving a peaceful ride. The high gear ratio ensures a fluid start and continuous control, whether on challenging ascents or during swift rides.
The DM01’s design is as beautiful as it is functional, offering Shell Color options in Black or Silver for a customized look that can highlight or complement your bike’s appearance. These choices ensure the motor not only functions impressively but also enhances your bike’s look with a stroke of sophistication.
The DM01 is not merely a component—it’s a proclamation. It symbolizes a perfect union of power, versatility, and style—a definitive emblem of To7motor’s commitment to cycling superiority.
THE DM01 Motor’s POWER
Rated Power: 750W/1000W
Torque: 160Nm
Waterproof Rating: IP65
Compatible With 48, 52, 60 Volts Battery Range.
Max Speed: 160RPM
Operating Temperature: -20°C to 50°C
Mounting Position: Central
Shell Color: Black/Silver
Reduction Gear Ratio: 40.27:1
Sensor Style: Cadence/Torque Sensor
Chainring: 46T (or 34T/36T/38T/52T)
BB Axle: 68mm & 73mm – 100mm & 110mm
Noise Level: ＜50dB
Operating Temperature: -20℃ to 50℃
Motor Weight: 5.8kg/6Kg
2. DM01 VS DM01L: WHAT ARE THE DIFFERENCES?
- DM01’s Bottom Bracket is 68 & 73
- DM01L’s Bottom Bracket is 100 & 110
3. DM01/DM01L BOTTOM BRACKET SPECIFICATIONS AND DIMENSIONS FOR BB 68&73 & BB 100&110
We have provided images for both of them. Each of the parts are in the DM01 Explosion diagram below.
3.1. DM01 BOTTOM BRACKET SPECIFICATIONS AND DIMENSIONS FOR BB 68 & 73
- The explosion diagram for the DM01(BB 68 & 73) mid drive motor.
- The Dimension for the DM01(BB 68 & 73) mid drive motor.
- The specifications for BB 68 & 73,
| Component Part | Specification | Qty | BB=68 | BB=73 |
|---|---|---|---|---|
|
Axle Screw |
M8X1X15 |
2 |
✓ |
✓ |
|
Left Crank |
170mm |
1 |
✓ |
✓ |
|
Decoration cap |
– |
1 |
✓ |
✓ |
|
Non-standard Nut |
M33.5X1.5 |
1 |
✓ |
✓ |
|
Screw |
See Column 4 or 5 |
2 |
M6X14 |
M6X20 |
|
Reinforced Plates |
– |
1 |
✓ |
✓ |
|
Drive Unit |
DM01-1000 or DM01-750 |
1 |
✓ |
✓ |
|
Crankset |
46T |
1 |
✓ |
✓ |
|
Locknut |
M42X1.5 |
1 |
✓ |
✓ |
|
Right Crank |
170mm |
1 |
✓ |
✓ |
|
Bushing |
See Column 5 |
2 |
X |
Φ6X5 |
Shown Below,
- The explosion diagram for the DM01L(BB 100 & 110) mid drive motor.
- The dimension for the DM01L(BB 100 & 110) mid drive motor
- The specifications for BB 100 & 110
| Component Part | Specification | Qty | BB=100 | BB=110 |
|---|---|---|---|---|
|
Axle Screw |
M8X1X15 |
2 |
✓ |
✓ |
|
Left Crank |
170mm |
1 |
✓ |
✓ |
|
Decoration cap |
– |
1 |
✓ |
X |
|
Non-standard Nut |
M33.5X1.5 |
1 |
✓ |
✓ |
|
Screw |
See Column 4 or 5 |
2 |
M6X45 |
M6X55 |
|
Reinforced Plates |
– |
1 |
✓ |
✓ |
|
Drive Unit |
DM01L-1000 or DM01L-750 |
1 |
✓ |
✓ |
|
Crankset |
46T |
1 |
✓ |
✓ |
|
Locknut |
M42X1.5 |
1 |
✓ |
✓ |
|
Right Crank |
170mm |
1 |
✓ |
✓ |
|
Lock Washer |
See Column 5 |
2 |
Φ6X32 |
Φ6X42
|
4. Design Philosophy and Durability
Our DM01 Mid-Motor is not just built to perform; it’s designed to last. From its robust aluminum alloy construction to its IP65 rating against the elements, every aspect of the DM01 is the result of thoughtful design and sustainable engineering.
Here are four features that demonstrate our commitment to superior design:
4.1. Better Heat Dissipation
The DM01 motor is engineered with enhanced heat dissipation capabilities. This means that it can maintain optimal temperatures even during intense operation.
Cooler running conditions not only extend the motor’s lifespan by reducing wear and tear but also maintain efficiency and performance.
Whether you’re climbing steep hills or navigating long distances, the DM01 ensures reliable and consistent power by effectively managing its thermal environment.
4.2. Dual-Clutch Mechanism
The dual-clutch mechanism in the DM01 motor is designed to offer minimal resistance when pedaling. This innovative feature means that even when the motor is not engaged, the bike feels smooth and easy to pedal, resembling the feel of a traditional bicycle. Crazy, Right?
This is particularly beneficial for riders who may want to use the bike without assistance or conserve battery power, ensuring a natural riding experience.
The dual-clutch system thus ensures that efficiency and comfort are paramount, making every ride enjoyable, with or without motor engagement.
4.3. Seamless Integration with Standard Bike Frames
The DM01 motor is designed for seamless integration with approximately 95% of standard bike frames, ensuring a wide compatibility range.
This feature is pretty significant, users who want to upgrade/change their existing bike or choose from a broad selection of new bikes. The Easy installation means less hassle and more time enjoying.
The motor’s adaptable design considers various frame geometries and styles, making it a versatile choice for different types of bicycles, from mountain bikes to city commuters.
This commitment to compatibility reflects our understanding of the diverse needs and preferences of cyclists, ensuring that the transition to an e-bike is as smooth as possible.
4.4. Crafted from Robust Aluminum Alloys
The DM01 motor is crafted using robust aluminum alloys, a material choice that strikes an optimal balance between weight and durability. Aluminum alloys are known for their strength, corrosion resistance, and ability to dissipate heat efficiently.
This material selection ensures that the motor can withstand the rigors of daily use, various weather conditions, and the physical demands of different riding styles, all while maintaining a lighter weight profile compared to other materials.
By using high-quality aluminum alloys, We ensure that the DM01 motor is not only durable and reliable but also contributes to the overall performance and agility of the e-bike.
5. Installation Guide
5.1. STEP NUMBER 1: Tools and Preparation
Before beginning the installation process, ensure you have the following tools:
- Specialized wrench
- 6mm Allen wrench
- 8mm Allen wrench
5.2. CHAIN-RING Installation
TOOLS REQUIRED:
- SPECIAL WRENCH
1. Align the internal splines of the chain-ring 8 with the external splines of Motor 7
2. Press firmly till the end. Then tighten the lock-nut 9 Counter-Clockwise with the special wrench, with a tightening torque of 15Nm.
5.3. step 1: MOUNTING THE MOTOR
Insert the Mid-Drive-Motor Through the Bottom Bracket from the right side of the bicycle frame and push it all the way.
5.3. STEP 2: REINFORCING THE PLATE MOUNTING:
– TOOLS: 6MM ALLEN WRENCH
– COMPONENTS: (See: Factory Configuration) : Reinforcement plate 6, M6 screw 5, Washer or bushing 11
You must Screw, tightening the torque 9-10Nm.
We have some diagrams for each bottom bracket size below that can possibly guide you:
BB = 68:
BB = 73:
BB = 100:
BB = 110:
5.3. STEP 3: NON-STANDARD NUTS INSTALLATION:
– Components: (see: factory configuration) : non-standard nut 4
BEFORE TIGHTENING THE NUT!
stops, then use a special wrench to tighten the nut, torque is 45-50Nm when tightening
5.3. STEP 4: DECORATION CAP INSTALLATION:
Turn the Decoration cap clockwise to the end by hand.
5.3. STEP 5: CRANK INSTALLATION:
-COMPONENTS（see: factory configuration）：axle screw 1、left crank 2、right crank 10
Central axle screw locking torque is 35-40Nm.
5.4. Final Touches: speed sensor installation:
5.6. Wiring and Setup
① Operations：
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
6. THE COMPATIBILITY OF THE INSTALLATION
Due to different communication protocols, Our motors can only be
used with the accessories we have provided and are NOT compatible with
accessories from other brands.
7. Warranty and Customer Care
To7motor provides a 24-month warranty from the date of manufacture, underscoring our commitment to quality and customer satisfaction.
Please note that compatibility is key; the DM01 is designed to function seamlessly with To7motor-provided accessories.
8. Conclusion
With its potent combination of power, precision, and sustainability, the DM01 motor is the heart of the modern e-bike, engineered to elevate your riding experience to new heights.
