4-inch 45W Projector Motorcycle Headlight for CG125
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4-inch 45W Projector Motorcycle Headlight for CG125

The 4-inch 45W Projector Motorcycle Headlight for CG125 is a game-changing upgrade for Honda's iconic commuter motorcycle, addressing the limitations of stock halogen headlights with 300% brighter illumination.

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BTTJ03ZC
BTTJ03ZC
BTTJ03ZC
BTTJ03ZC
BTTJ03ZC
BTTJ03ZC


Product Overview


Designed as a direct OEM replacement, it delivers 45W power and 4500 lumens of output through a precision projector lens, ensuring focused light distribution without glare. Its 6000K cool white temperature enhances road clarity by highlighting road markings, potholes, and pedestrians—critical for rural or urban night rides. With an IP65 waterproof rating (resistant to high-pressure water jets) and CAN bus compatibility, it integrates seamlessly with Honda CG125’s electrical system, eliminating error codes or flickering. Built to last 50,000+ hours, it outperforms halogen bulbs by 10x, making it a cost-effective solution for daily commuters and custom bike builders.


Product Specifications


Parameter

Details

Power

45W (4500 lumens)

Voltage

DC 12-24V

Color Temperature

6000K (cool white)

Waterproof Rating

IP65 (resistant to water jets)

Material

Die-cast aluminum with anti-corrosion coating

Beam Type

High/low beam with projector lens

Lifespan

50,000+ hours


Features


Precision Beam Control: The projector lens creates a Z-shaped cutoff pattern that concentrates light 50 meters ahead while blocking upward glare—preventing blindness for oncoming drivers, a common issue with stock halogen bulbs.

CAN Bus Integration: A built-in intelligent IC driver communicates with Honda’s onboard computer, ensuring compatibility with 2005-2023 CG125 models without requiring additional decoders or resistors.

Tool-Free Installation: Replaces H4 halogen bulbs in under 10 minutes using the original headlight bucket. No wiring modifications needed—simply plug into the existing H4 socket.

Advanced Thermal Management: Aviation-grade aluminum heat sinks and a 12,000 RPM silent fan maintain operating temperatures below 70°C, preventing lumen decay during 4-hour continuous rides.

Multi-Voltage Versatility: Works seamlessly with 12V motorcycles (standard CG125) and 24V off-road vehicles, making it suitable for dual-purpose builds or farm/industrial motorcycles.


Applications


Daily Commuting: Enhances safety for CG125 riders navigating busy city streets, where its bright, focused beam cuts through urban light pollution and highlights pedestrians at crosswalks.

Custom Bike Builds: A favorite among café racer and vintage motorcycle enthusiasts, it fits 4-inch headlight buckets common in classic Honda, Yamaha, and Suzuki models, blending retro aesthetics with modern performance.

Rural & Off-Road Riding: Illuminates narrow village roads, unpaved tracks, and agricultural paths, where poor lighting often hides hazards like loose gravel or livestock.


FAQ


Q: Does it include mounting hardware for the CG125?

A: Yes, it comes with a stainless steel mounting bracket pre-adjusted to fit the CG125’s original headlight stays, ensuring a secure fit without vibration-induced loosening.

Q: Can it withstand the vibrations of rough terrain?

A: Absolutely. The die-cast aluminum housing and shock-absorbing silicone gaskets resist vibrations from unpaved roads, extending component lifespan in off-road conditions.

Q: Is the high/low beam function the same as the stock bulb?

A: Yes, it replicates the stock beam pattern: low beam focuses 30 meters ahead for urban riding, while high beam extends to 50 meters for open roads—with 3x brighter output than halogen.


Motorcycle Headlight

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