The BA20D is bulb for many Tomos models and other mopeds. Please compare yours before purchasing.
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Bulb is lower cost than other suppliers and higher wattage. It is dim at idle but fine on the road. The higher wattage should handle voltage spikes that cause blowouts. Replacing the regulator is a necessary step as well, that’s what handles the voltage spike.
The bulb works great. Replaced the 25/25 bulb in my Tomos ST 2013 with this one and it makes a huge difference. It's much easier to see at night now.
What a difference an extra 10 Watts makes. I upgraded from the standard 25 Watt bulb and it makes for a much brighter and safer night riding experience.