Motorcycle Headlight Bulb Motorbike Headlamp 12v 35/35w BA20D Bosch

Ensure clear visibility and road‑legal lighting performance with this Motorcycle Headlight Bulb 12V 35/35W BA20D Bosch Fitment, designed for a wide range of motorbikes, scooters, and classic motorcycles. This high‑quality replacement headlamp bulb offers reliable illumination, OEM‑style fitment, and full ECE / E‑Mark approval, making it suitable for road use in the UK and across Europe.

Whether you’re replacing a failed bulb, restoring a classic motorcycle, or carrying out routine maintenance, this BA20D motorcycle headlight bulb is a dependable and affordable solution.

Direct Replacement – Bosch BA20D Fitment

This bulb uses the BA20D base type, commonly found on:

• Classic motorcycles
• Scooters and mopeds
• Older Japanese and European bikes
• Custom builds and restorations

Designed as a direct replacement, it fits seamlessly into compatible headlamp units without modification, making installation quick and straightforward.

Key Features

• Voltage: 12V
• Wattage: 35/35W (dual filament – dip and main beam)
• Base Type: BA20D (Bosch fitment)
• E‑Marked / ECE Approved – Road legal in the UK & Europe
• Dual Filament Design – Separate dipped and main beam
• OEM‑Style Replacement – Reliable and consistent performance
• Suitable for Motorcycles, Scooters & Mopeds

Road Legal & MOT Friendly

This headlight bulb is E‑Marked and ECE approved, meaning it complies with UK and European road safety regulations. It is suitable for:

• UK MOT testing
• European road use
• Daily commuting and touring

Using an approved bulb helps ensure correct beam pattern, brightness, and safety for both rider and other road users.

Reliable Lighting Performance

With a 35/35W output, this bulb delivers balanced illumination that is ideal for:

• Urban commuting
• Night riding
• Country roads
• Classic and vintage bikes with standard electrical systems

The dual‑filament design provides dependable low beam and high beam operation, offering clear forward visibility without overloading older charging systems.

Ideal for Classic & Modern Applications

This BA20D motorcycle headlight bulb is widely used on:

• Classic British motorcycles
• Vintage European bikes
• Japanese commuter motorcycles
• Scooters and mopeds
• Custom café racers, bobbers, and restorations

Its Bosch‑style fitment makes it a popular choice for riders seeking a correct period‑style replacement while still meeting modern road regulations.