Disc 5 Speed Internal Gear Hub Black Bicycle Hub Gear Systems
| Model: | LG-P7100-5D | Application Focus: | Connected Smart E-Bike Platform Integration |
| Target Vehicle Type: | Connected E-Bikes / Smart Commuter E-Bikes / Shared Mobility Platforms | Electronic Integration Role: | Supports Integrated Shifting Logic For OEM E-Bike Drivetrain Development |
| Drivetrain Positioning: | Sealed Internal Gear Hub For Cleaner Rear-Wheel Structure | Electrical Matching Focus: | Voltage Range, Power Supply, Standby Current And Baud Rate Confirmation |
| Brake Matching: | 6-Bolt Disc Brake | Certification: | RoHS / REACH |
| High Light: | Disc 5 Speed Internal Gear Hub,5 Speed Internal Gear Hub Black,OEM bicycle hub gear systems |
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The Smart Electronic Gear Hub is designed for connected e-bike platforms, smart commuter e-bikes and OEM drivetrain projects that need electronic shifting integration inside a clean rear hub structure. Based on LG-P7100-5D, this application page focuses on connected vehicle-side matching rather than presenting the product as a hub motor or a basic mechanical gear hub.
For connected e-bike development, drivetrain integration is not only a mechanical question. The gear hub must be reviewed together with the vehicle controller, power supply conditions, electrical interface requirements and riding logic. LG-P7100-5D supports this direction by combining electronic internal shifting with a sealed rear hub gear structure.
For OEM brands, the main value is a more integrated e-bike drivetrain platform. The internal gear mechanism supports cleaner rear-wheel design compared with exposed derailleur layouts, while the electronic matching parameters help product teams plan smart shifting behavior within the vehicle system. This makes the model suitable for connected e-bike platforms that need both drivetrain refinement and system-level compatibility review.
- Connected E-Bike Integration Focus: Designed for OEM platforms that need electronic gear hub matching with the vehicle-side system.
- LG-P7100-5D Reference Model: Uses the E05 electronic internal gear hub as the source-backed product basis.
- Electronic Internal Shifting: Supports smart drivetrain development where shifting behavior is considered as part of the e-bike system.
- Vehicle-Side Electrical Matching: Requires confirmation of voltage range, power supply, standby current and communication-related parameters.
- Cleaner Rear-Wheel Structure: Keeps the gear mechanism inside the hub for a more integrated e-bike drivetrain layout.
- 6-Bolt Disc Brake Support: Matches modern rear-wheel braking layouts used in connected e-bike platforms.
- OEM System Review: Encourages controller interface, frame, brake, spoke and waterproof requirement confirmation before sampling.
- Not A Hub Motor: The source parameters identify LG-P7100-5D as an electronic 5-speed internal gear hub, not a motor product.

| Parameter | Specification |
|---|---|
| Product Name | Electronic 5-Speed E-Bike Gear Hub |
| Model | LG-P7100-5D |
| Product Type | 5 Speed Internal Gear Hub |
| Product Category | 5 Speed Internal Gear Hub |
| Number Of Speeds | 5 |
| Overall Gear Ratio | 249% |
| Gear Ratios | 0.74 / 1.00 / 1.30 / 1.56 / 1.84 |
| Brake Type | 6-Bolt Disc Brake |
| Spoke Size | #13 / #14 |
| O.L.D. | 142 mm |
| Axle Length | 198 mm |
| Thread Size | M12 x 1.25 |
| Spoke Holes | 36H |
| Color | Black |
| Weight | 2.15 kg |
| Operating / Storage Temperature | -30-80℃ / -40-85℃ |
| Waterproof Rating | IPX6 |
| Certification | RoHS / REACH |
| Operating Voltage Range | 15V-60V DC |
| Power Supply Requirement | ≥2.5A @ 36V |
| Standby Current | 20mA @ 36V |
| Baud Rate | 250K bps |
LG-P7100-5D uses an internal 5-speed gear structure to change transmission ratios inside the hub rather than moving the chain across exposed sprockets. Electronic shifting support helps OEM teams build a more integrated drivetrain layout for connected e-bike platforms.
The connected platform value comes from reviewing the gear hub as part of the complete vehicle system. Controller interface, electrical supply, communication-related settings, brake layout and rear frame structure should be confirmed together so the drivetrain can work properly within the smart e-bike architecture.
The sealed internal hub structure also supports a cleaner mechanical layout. For connected commuter e-bikes and shared mobility platforms, this can reduce exposed drivetrain complexity while giving the vehicle brand a stronger smart drivetrain differentiation point.
LG-P7100-5D is suitable for connected e-bikes, smart commuter e-bikes, premium electric bicycles, shared mobility bikes and OEM drivetrain development projects that require electronic internal shifting and vehicle-side system matching.
It is especially useful for platforms where the brand wants cleaner rear-wheel structure, integrated shifting control, disc brake compatibility and source-backed electrical matching data for smart e-bike development.
Before sampling or production, OEM customers should confirm rear frame drawing, frame O.L.D., brake type, spoke specification, voltage range, controller interface, communication requirements, waterproof requirements, target riding conditions and final image/SKU matching.
Q: What is the main application focus of this page?
A: It focuses on connected smart e-bike integration for LG-P7100-5D electronic 5-speed internal gear hub projects.
Q: Is LG-P7100-5D a hub motor?
A: No. The source parameters identify LG-P7100-5D as an electronic 5-speed internal gear hub, not a hub motor.
Q: What makes it suitable for connected e-bike platforms?
A: It combines electronic internal shifting with vehicle-side electrical matching requirements, making it suitable for OEM drivetrain integration review.
Q: What brake interface does this model use?
A: The reference parameter table lists 6-bolt disc brake support.
Q: What is the backend product category?
A: The backend product category should be 5 Speed Internal Gear Hub.
Q: What should be confirmed before OEM sampling?
A: Confirm frame O.L.D., brake layout, spoke specification, voltage range, controller interface, communication requirements and waterproof requirements before sampling.