S1 (BA20d) 6V Bulbs

S1 (BA20d) 6V Headlight Bulbs for Classic Motorcycles, Mopeds & Scooters

Our S1 (BA20d) 6V bulbs are designed for classic motorcycles, mopeds, and scooters that use a traditional 6V system. Built with reliability and affordability in mind, these bulbs are the perfect choice for vintage and classic vehicles.

We stock trusted options like the RING R392 S1 25/25W 6V halogen bulb, supplied in single-box packaging. With a dual-filament design, these bulbs provide both dipped and main beam lighting in one compact unit.

✅ 6V 25/25W halogen design
✅ BA20d (S1) base fitting
✅ Ideal for motorcycles, scooters & mopeds
✅ Trusted RING Automotive quality
✅ Affordable and dependable replacement

For the best results, always replace bulbs in pairs to maintain balanced lighting performance.