Bafang 750W 48V Motor Kit Complete Set Electric Bike Middle Drive 8fun BBS02 BBS02B eBike Conversion Kit Central Bicycle Engine

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East Supplier PlatformSKU: 1005007378543534-BBS02B 48V750W100mm-VD04 Display-China Mainland-Brake Lever

Color: BBS02B 48V750W100mm
Price:
$1,625.12 $2,031.40
Stock:
In stock (271 units), ready to be shipped

Description

SPECIFICATIONS

100mm Motor: Fits For BB 90-100mm

68mm Motor: Fits For BB 68-73mm

BBS Chainwheel: 44T In Default, 36T / 42T Option

Bafang Model: M315 MM G340.750.C

Brand Name: BAFANG

Certification: CE

Design: Brushless

Display Working Temperature: -20℃ ~ 80℃

Efficiency: > 80%

Expected Delivery Time: 2-7 Days

High-concerned chemical: None

Maintain Point: France / Spain / Poland / UK /USA / UK / RU / Canada

Max Speed: About 45-55KM/h

Max Torque: 120N.m

Motor: Side Hung Motor

Motor Model: BBS02B / BBS02

Motor Operation Temperature: -20℃ ~ 45℃

Origin: Mainland China

PAS Sensor Type: Speed Sensor

Reduction Ratio: 1 : 21.9

Voltage: 48V

Warranty of Motor: 1 Year

Waterproof Grade: IPX5

Wattage: > 400w



BAFANG BBS02B 48V750W 68mm/100mm Mid-Drive Motor Kit (CAN PROTOCOL)

Convert your bike into a powerful, smart e-bike — easily and reliably.

🔧 What Makes It Great

 

Smooth & Powerful – Delivers strong, consistent torque for climbing and acceleration.

Easy Installation – Comes with a step-by-step video guide. Fits most mountain, road, and city bikes.

Versatile Riding – Switch between effortless cruising, fitness support, or traditional pedaling



✅ Key Features

Feature Description

Power & Torque: 750W motor ‧ 120 N.m max torque ‧ Ideal for hills, trails, and fast commuting

Compatibility:       Fits standard 68–73mm bottom brackets with 34–36mm inner diameter

Riding Modes: 3 modes: Full Electric ‧ Pedal Assist ‧ Manual Pedaling

Battery Safety: Integrated BMS with over-charge/discharge, short-circuit, and over-current protection

Speed & Range: Up to 55 km/h (with 27.5″ wheel)

Design:                Compact ‧ Quiet ‧ Harmonious integration with most bike frames

 

🚴 Perfect For

Daily commuters looking to skip traffic

Adventure riders tackling hills and trails

Seniors or anyone wanting extra pedal support

DIY enthusiasts building a custom e-bike

⚡ Easy Installation | Install in 60 Minutes, Ride in No Time.


 

How Do I Know If the BBS02B 48V750W Fits My Bike?

 

📏 Check Your Bottom Bracket

Use calipers to measure:

✅ Length: 68mm size fits for 68-73mm bottom bracket , 100mm size fits for 89-105mm bottom bracket. ( The spacer is not included by default. If needed for your installation, please let us know when placing your order.)

✅ Inner Diameter: 34–36mm

 

🚲 Compatible With:

Mountain bikes | Road bikes | Most city bikes

⚠️ Frame Clearance Note

On smaller or unique frames, check that the chainring does not contact the rear frame.


🖥️ LCD Display — Your Smart Ride Companion

Turn every ride into an informed experience — with Bafang motor at your fingertips.


🔧 BRAKE SYSTEM OPTIONS | Safety Tailored for Your E-Bike

 

📊 Quick Comparison

Feature                        | Brake Lever     |  Brake Sensor

Motor Cutoff      |   ✅ Built-in      |   ✅ Add-on

Install Type                 | Replace lever   |   Attach to existing lever

Brake Compatibility  | Mechanical only| Hydraulic & Mechanical

 

🎯 How to Choose

Choose the Brake Lever if: You’re building a new e-bike or want a clean, all-in-one setup.
Choose the Brake Sensor if: You already like your current brakes (especially hydraulic) and just need the cutoff function.
Both options provide reliable motor cutoff — it’s about how you want to integrate it into your ride.


📦 What‘s In the Box — Mid-Drive Kit

1 × Mid-Drive Motor

1 × Thumb Throttle

1 × Speed Sensor

1 × 4-in-1 EB-BUS Cable

1 × Display (optional)

1 Pair × Crank Arms

1 × Chainwheel

1 Pair × Brake Levers OR brake sensors

1 × Front Light

1 × Installation Wrench Set

1 × Crank Removal Tool

1 × 36V 250W Sticker

1 × Cable Ties Bundle

1 × User Manual

This motor kit does not include a battery.

✅ Battery is optional and sold separately

✅ We recommend ordering it together with your kit.

✅ Choose from various capacities and mounting styles in our store.

🔍 Frequently Asked Questions (FAQ)

🖥️ Q1: How to choose a display?

Displays vary in interface, screen size, mounting style, and functions.

BAFANG Display: BAFANG DPC080|BAFANG DPC010

Cost Effective: VD03|VD618

Popular Displays: EKD01 (Multi-Language)|VD04

 
📌 Select based on your needs: Bluetooth connectivity, screen clarity, or budget.
 
 

⚙️ Q2: Which chainring for 750W motor should I pick?

Choose based on your riding style:
Smaller Chainring (e.g., 36T)
→ Better for climbing & mountain biking
Larger Chainring (e.g., 42T)
→ Higher top speed for city/road/folding bikes
🔄 You can change the chainring later — just let us know your preference when ordering.
 
 

🔋 Q3: Is a battery included?
— No, this kit does not include a battery.

✅ Battery is optional
✅ We recommend ordering it together with your kit.
✅ Choose from various capacities and mounting styles in our store.
🔌 Need help selecting the right battery? Contact us for a personalized recommendation.
 

❓ Still have questions?

We’re here to help — just send us a message!




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