186% 3 Speed Automatic Bicycle Hub Multiple Brake Options Cycle Hub Gear OEM
| Reference Product Family: | M03 Fork-Out Manual 3-Speed Internal Gear Hub Series | Product Category: | 3 Speed Internal Gear Hub |
| Configuration Focus: | Multiple Brake-Interface Options For City Bicycle Platforms | Target Buyer: | OEM City Bicycle Brands / Product Development Teams / Procurement Teams |
| Comparison Scope: | Roller Brake / V Brake / Center-Lock Disc Brake / Drum Brake / 2715 Brake Lock | Shifter Ecosystem: | LL-3S01E / LL-3S02E / LL-3S03E / LL-3S04E |
| OEM Confirmation Focus: | Brake Interface, Frame O.L.D., Chainline, Spoke Specification, Cable Routing And Installation Clearance | Technical Data Source: | Detailed Values Follow The M03 Family Common Parameters And SKU Difference Reference Table. |
| High Light: | 186% 3 speed automatic bicycle hub,3 speed automatic bicycle hub OEM,cycle hub gear OEM |
||
The City Bicycle Internal Gear Hub With Multiple Brake Options is created for OEM city bicycle projects that need to compare several rear hub brake-interface configurations within one internal gear hub family. It is positioned around the Lofandi M03 fork-out manual 3-speed internal gear hub series, helping buyers evaluate which brake-matching direction is suitable for a specific city bicycle platform.
City bicycle development often starts with the drivetrain concept, but the final hub selection depends heavily on the brake system, rear fork structure and frame matching. The M03 family keeps the internal gear mechanism in a protected rear hub layout while offering several brake interface directions, including common city bike and shared bicycle configurations.
For OEM brands and procurement teams, this configuration page provides a clearer comparison path. Instead of treating every M03 model as the same product, buyers can first define the target brake layout, then review the matching reference SKU, frame dimensions, chainline and service requirements before sampling.
- Multiple Brake-Interface Options: Helps OEM buyers compare M03 variants by brake system and rear hub matching needs.
- City Bicycle Platform Focus: Suitable for commuter bikes, city e-bikes, shared bicycles and utility bicycle development.
- M03 Internal Gear Hub Family: Uses one manual internal gear hub family as the reference structure for several city bike configurations.
- Fork-Out Service Layout: Supports easier observation, adjustment and service review around the rear wheel.
- Protected Internal Gearing: Keeps the main shifting mechanism inside the rear hub shell for a cleaner drivetrain layout.
- OEM Selection Workflow: Encourages buyers to confirm brake interface, frame matching and shifter routing before final SKU selection.
- Shifter Matching Support: Works with LL-3S series shifter options for different cockpit and cable routing layouts.
- Variant Comparison Ready: Includes a SKU difference reference table to prevent mixing brake types across models.

| Parameter | Specification |
|---|---|
| Product Family | M03 Fork-Out Manual 3-Speed Internal Gear Hub |
| Reference Models | LG-N3010-3R / LG-N3019-3G / LG-N3010-3V / LG-N3010-3D / LG-N3014-3G |
| Product Category | 3 Speed Internal Gear Hub |
| Speed Level | 3 Speed |
| Total Gear Ratio | 186% |
| Gear Ratio 1 | 0.73 |
| Gear Ratio 2 | 1.00 |
| Gear Ratio 3 | 1.36 |
| Shift Control Layout | M03 Fork-Out Version |
| Matched Shifter | LL-3S01E / LL-3S02E / LL-3S03E / LL-3S04E |
| Spoke Size | #13 / #14 |
| Spoke Hole Number | 36H |
| Spoke Hole Diameter | 3 mm |
| Axle Length | 189.5 mm |
| Thread Size | JIS BC3/8-26 / Not Provided For Some Variants |
| Color | Silver |
| Average Weight | 0.9 kg |
| Operating / Storage Temperature | -30-80℃ / -40-85℃ |
| Waterproof Rating | IPX6 |
| Certifications | RoHS / REACH To Be Confirmed Against Final Compliance Documents |
| Reference Model | Brake Type | O.L.D. | Chainline G1 / G2 | Upload Positioning |
|---|---|---|---|---|
| LG-N3010-3R | Roller Brake | 120 mm | 45 / 40 mm | Roller brake city e-bike hub |
| LG-N3019-3G | 2715 Brake Lock | 135 mm | 49 / 44 mm | Brake-lock shared bicycle / fleet hub |
| LG-N3010-3V | V Brake | 120 mm | 44.7 / 39.7 mm | V brake city bicycle hub |
| LG-N3010-3D | Center-Lock Disc Brake | 115.3 mm | 42.3 / 37.3 mm | Center-lock disc brake city e-bike hub |
| LG-N3014-3G | Drum Brake | 127 mm | 48 / 43 mm | Drum brake utility / city e-bike hub |
The M03 manual internal gear hub uses a planetary gear mechanism inside the rear hub shell. Riders change gears through a matched manual shifter, while the main shifting mechanism remains inside the wheel assembly. This gives city bicycle projects a compact internal drivetrain base before the final brake-interface variant is selected.
The configuration advantage comes from the M03 family structure. OEM teams can compare roller brake, V brake, center-lock disc brake, drum brake and brake-lock directions without rewriting the entire drivetrain concept for every bicycle platform. Final selection should still follow the real model-specific parameter table.
The fork-out control layout also supports practical assembly and service review. Since the shift control area is easier to access around the rear wheel, OEM teams can evaluate cable routing, adjustment access and maintenance workflow together with brake-interface matching.
This internal gear hub configuration page is suitable for OEM city bicycle projects, commuter bike development, city e-bike platforms, shared bicycle programs and utility bicycles that need to compare multiple rear hub brake-interface options within one M03 internal gear hub family.
It is especially useful for product managers and procurement teams who need to select a drivetrain family first, then confirm the final model according to brake system, frame O.L.D., chainline, rear fork structure, shifter routing and installation clearance.
Before sampling or production, confirm the target brake interface, frame O.L.D., rear fork structure, chainline, spoke specification, shifter model, cable routing, installation clearance and final image/SKU matching. Do not assume all brake interfaces share the same frame-matching parameters.
Q: What is the purpose of this configuration page?
A: It helps OEM buyers compare M03 internal gear hub variants by brake interface before selecting the final city bicycle SKU.
Q: Is this a single physical SKU?
A: No. It is a configuration variant comparison page based on the M03 fork-out manual 3-speed internal gear hub series.
Q: Which brake options are covered?
A: The M03 family reference covers roller brake, V brake, center-lock disc brake, drum brake and 2715 brake lock directions.
Q: Why should brake interface be selected before sampling?
A: Brake interface affects frame matching, rear fork structure, chainline review, installation clearance and final hub compatibility.
Q: Does the page still use real product parameters?
A: Yes. The Technical Parameters section keeps the M03 family common parameters and SKU difference reference table for source-faithful review.
Q: What should OEM teams confirm before production?
A: Confirm brake interface, frame O.L.D., chainline, rear fork structure, shifter model, spoke specification, cable routing and final SKU image matching.