Description
SPECIFICATIONS
Bafang Model: M315 MM G340.500.C
Bottom Bracket Width: Fits For BB 68-73mm
Brand Name: BAFANG
Delivery Time: About 2-7 Days Delivery
Design: Brushless
High-concerned chemical: None
Max Speed: 38-45KM/H
Max Torque: 100N.m
Motor: Side Hung Motor
Motor Chainwheel: 36T / 42T / 44T Option
Motor Model: BBS02 / BBS02B
Motor Size: 68mm
Mounting Position: MID Drive
Origin: Mainland China
Voltage: 48V
Warranty of Motor and Battery: 1 Year
Warranty of Parts: 30 Days
Wattage: 401 - 500 W
BAFANG BBS02B 48V500W 68mm Mid-Drive Motor Kit ๏ผCAN PROTOCOL๏ผ
Convert your bike into a powerful, smart e-bike โ easily and reliably.
๐ง What Makes It Great
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Smooth & Powerful โ Delivers strong, consistent torque for climbing and acceleration.
Easy Installation โ Comes with a step-by-step video guide. Fits most mountain, road, and city bikes.
Versatile Riding โ Switch between effortless cruising, fitness support, or traditional pedaling

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โ Key Features
FeatureDescription
Power & Torque: 500W motor โง 100 N.m max torque โง Ideal for hills, trails, and fast commuting
Compatibility:ย Fits standard 68โ73mm bottom brackets with 34โ36mm inner diameter
Riding Modes: 3 modes: Full Electric โง Pedal Assist โง Manual Pedaling
Battery Safety: Integrated BMS with over-charge/discharge, short-circuit, and over-current protection
Speed & Range: Up to 45 km/h (with 27.5โณ wheel)
Design: Compact โง Quiet โง Harmonious integration with most bike frames
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๐ด 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

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

How Do I Know If the BBS02B 48V500W68mm Fits My Bike?
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๐ Check Your Bottom Bracket
Use calipers to measure:
โ Length: 68โ73mm
โ Inner Diameter: 34โ36mm
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๐ฒ Compatible With:
Mountain bikes | Road bikes | Most city bikes
โ ๏ธ Frame Clearance Note
On smaller or unique frames, check that the chainring does not contact the rear frame.

๐ฅ๏ธ LCD Display โ Your Smart Ride Companion
Turn every ride into an informed experience โ with Bafang motor at your fingertips.

๐ง BRAKE SYSTEM OPTIONS | Safety Tailored for Your E-Bike
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๐ Quick Comparison
Feature ย ย ย ย ย ย ย ย ย ย ย ย | Brake Lever ย ย | ย Brake Sensor
Motor Cutoff ย ย ย ย ย ย |ย ย โ Built-in ย ย ย | ย โ Add-on
Install Type ย ย ย ย ย ย ย ย | Replace lever ย | ย Attach to existing lever
Brake Compatibility ย | Mechanical only| Hydraulic & Mechanical
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๐ฏ How to Choose
Choose the Brake Lever if: Youโre 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 โ itโs about how you want to integrate it into your ride.

Power Your Ride โ Greenergy E-Bike Battery Series
โก Engineered to Go Farther, Charge Faster, Last Longer
๐ Smart Performance Design
Lightweight | Fast Charging | Extended Cycle Life
๐ Optimized Energy Efficiency
High-density cells + Advanced BMS for maximum range and reliability
๐ ๏ธ Versatile Form Factors
In-Tube Batteries โ Sleek, integrated frame design
Rack-Mount Batteries โ Flexible rear-carrier installation
Downtube & Universal Models โ Fit most e-bike frames and setups



๐ Battery is optional, please make your selection when ordering.
โข โ With Battery: Includes battery and charger in your order
โข โ Without (NO) Battery: Includes motor kits only
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๐ฆ Whatโs In the Box โ BBS02B 500W Mid-Drive Kit
1 ร 48V 500W Mid-Drive Motor (68mm)
1 ร Thumb Throttle
1 ร Speed Sensor
1 ร 4-in-1 EB-BUS Cable
1 ร Display (optional)
1 Pair ร Crank Arms
1 ร Chainwheel *(44T default | 36T/42T)*
1 Pair ร Brake Levers or Brake Sensors
1 ร Front Light
1 ร Installation Wrench Set
1 ร Crank Removal Tool
1 ร 36V 250W Stickers
1 ร Cable Ties Bundle
1 ร User Manual
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๐ ๏ธ Everything You Need to Build โ Ready to Ride.
Need a different chainring or brake setup? Just leave a note with your order!

๐ Frequently Asked Questions (FAQ)
๐ฅ๏ธ Q1: How to choose a display?
Displays vary in interface, screen size, mounting style, and functions.
BAFANG Displays: BAFANG DPC080|BAFANG DPC010
Cost Effective: VD03|VD618
Popular Displays: EKD01 (Multi-Language)
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๐ Select based on your needs: Bluetooth connectivity, screen clarity, or budget.
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โ๏ธ Q2: Which chainring should I pick?
Choose based on your riding style:
Smaller Chainring (e.g., 36T)
โ Better for climbing & mountain biking
Larger Chainring (e.g., 42T)
โ Higher top speed for city/road/folding bikes
๐ You can change the chainring later โ just let us know your preference when ordering.
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๐ Q3: Is a battery included?
โ No, this kit does not include a battery.
โ
Battery is optional
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We recommend ordering it together with your kit.
โ
Choose from various capacities and mounting styles in our store.
๐ Need help selecting the right battery? Contact us for a personalized recommendation.
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โ Still have questions?
Weโre here to help โ just send us a message!

Customer Reviews
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