Auto Shifting Automatic Gear Hub Three Speed Internal Hub Bike
| Reference Product Families: | A02 Automatic 2-Speed Internal Gear Hub Series / A03 Automatic 3-Speed Internal Gear Hub Series | Buyer Intent Focus: | City Bike OEM Development For Auto Shifting Drivetrains |
| Target Buyer: | OEM City Bike Brands / E-Bike Product Managers / Procurement Teams | Development Use Case: | Compare Automatic Gear Hub Directions Before Final SKU Selection |
| Rider Experience Value: | Simpler Daily Riding Without Constant Manual Gear Selection | Brake Matching Options: | 6-Bolt Disc Brake / Drum Brake Lock Depending On Family And SKU |
| OEM Matching Focus: | Speed Level, Drive System, Brake Interface, Frame O.L.D., Chainline, Belt Or Chain Matching | Technical Data Source: | Detailed Values Follow The A02 And A03 Family Reference Parameter Tables. |
| High Light: | Auto Shifting Automatic Gear Hub,Automatic Gear Hub OEM,RoHS three speed internal hub bike |
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The Auto Shifting Gear Hub is designed for city bike OEM development projects that need a clear automatic drivetrain direction before selecting the final hub model. This buyer-intent page is built around the Lofandi A02 and A03 automatic gear hub families, helping OEM teams compare automatic internal shifting options for commuter e-bikes, city bikes and urban mobility platforms.
For city bike development, automatic shifting can simplify the riding experience and reduce the need for rider-operated gear selection in daily stop-and-go use. A02 provides an automatic 2-speed family direction, while A03 provides an automatic 3-speed family direction using CentriGear automatic mechanical shifting. The correct choice depends on the target riding experience, drivetrain layout and frame matching requirements.
For OEM product managers and procurement teams, this page works as an early-stage selection guide. Instead of treating all automatic hubs as the same product, buyers can compare speed level, chain or belt drive direction, brake interface, chainline, belt cog matching and service needs before confirming the final A02 or A03 SKU.
- Auto Shifting OEM Development Focus: Helps OEM teams compare automatic gear hub directions for city bike and e-bike projects.
- A02 And A03 Family Coverage: Separates automatic 2-speed and automatic 3-speed family options instead of mixing them as one SKU.
- Simpler Rider Operation: Supports city riding concepts where the rider does not need constant manual gear selection.
- Chain And Belt Drive Planning: Allows buyers to review conventional chain-drive and cleaner belt-drive project directions.
- City E-Bike Platform Matching: Useful for commuter e-bikes, city bikes, urban mobility models and premium low-maintenance platforms.
- OEM Procurement Workflow: Encourages confirmation of speed level, drive system, brake interface and frame matching before sampling.
- Automatic Internal Gear Structure: Keeps shifting function inside the rear hub for cleaner drivetrain integration.
- Family-Level Technical Tables: Keeps A02 and A03 parameters separated for source-faithful review.

| Parameter | Specification |
|---|---|
| Product Family | A02 Automatic 2-Speed Internal Gear Hub Series |
| Reference Models | LG-N7000-2D / LG-N7003-2G / LG-N7001-2D |
| Product Category | Automatic Gear Hub |
| Speed Level | 2 Speed |
| Total Gear Ratio | 133% |
| Gear Ratios | 1.00 / 1.33 |
| Spoke Size | #13 / #14 |
| Axle Length | 180 mm |
| Thread Size | JIS BC3/8-26 |
| Spoke Hole Diameter | 3.2 mm |
| Average Weight | 1.3 kg |
| Operating / Storage Temperature | -30-80℃ / -40-85℃ |
| Waterproof Rating | IPX6 |
| Certification | RoHS / REACH |
| Color | Silver |
| Reference Model | Drive System | Brake Type | O.L.D. | Chainline G1 / G2 | Upload Positioning |
|---|---|---|---|---|---|
| LG-N7000-2D | Chain Drive System | 6-Bolt Disc Brake | 130 mm | 49.4 / 44.5 mm | Compact city e-bike disc brake hub |
| LG-N7003-2G | Chain Drive System | Drum Brake Lock | 135 mm | 56 / 50.8 mm | Low-maintenance city bike hub with drum brake lock matching |
| LG-N7001-2D | Belt Drive System | 6-Bolt Disc Brake | 135 mm | 45.5 / Not Provided | Clean belt-drive commuter e-bike hub |
Automatic internal gear hubs are designed to reduce rider-side shifting work during everyday city riding. In the A02 direction, OEM teams can evaluate a compact automatic 2-speed platform. In the A03 direction, buyers can evaluate CentriGear automatic mechanical shifting with a wider city riding gear structure.
Both family directions keep the gear mechanism inside the rear hub shell, supporting a cleaner rear-wheel drivetrain layout than external shifting systems. For city bike OEM development, this can be useful when the project goal is simple operation, low routine service exposure and a more integrated rear hub appearance.
The final engineering decision should not be made from the page title alone. A02 and A03 have different speed levels, reference models and matching requirements. OEM teams should use the family comparison and technical tables to decide whether the project needs a simpler 2-speed direction or a 3-speed CentriGear direction, then confirm the final SKU.
This auto shifting gear hub selection page is suitable for city bike OEM development, commuter e-bike platform planning, urban mobility bicycle projects and premium low-maintenance e-bike programs that need automatic internal shifting.
It is especially useful at the product definition stage, when buyers are comparing automatic 2-speed and automatic 3-speed internal gear hub directions before confirming drive system, brake interface, frame O.L.D., chainline, belt cog or chain matching and installation clearance.
Before sampling or production, OEM teams should confirm whether the project needs the A02 or A03 family, then review speed level, drive system, brake interface, frame O.L.D., chainline or belt line, cog or sprocket matching, spoke specification, rear fork structure, brake mounting width and final image/SKU matching.
Q: What is the purpose of this page?
A: It helps OEM city bike teams compare A02 and A03 automatic gear hub families before selecting the final model.
Q: Is this one single automatic hub model?
A: No. It is a buyer-intent page covering A02 and A03 family directions. Final SKU selection must follow the technical tables.
Q: How is A02 different from A03?
A: A02 is the automatic 2-speed family, while A03 is the automatic 3-speed family using CentriGear automatic mechanical shifting.
Q: Can both chain drive and belt drive projects be considered?
A: Yes. The reference families include chain-drive and belt-drive directions, but final matching depends on the selected SKU.
Q: What is the backend product category?
A: The backend product category should be Automatic Gear Hub.
Q: What should OEM teams confirm before sampling?
A: Confirm speed level, drive system, brake interface, frame O.L.D., chainline or belt line, cog or sprocket matching, spoke specification and installation clearance.