Description
The 12V 21/5W BA15 bulb is specifically designed for the rear/brake light on bike carriers and is supplied per 2 pieces on a blister card. With a dual function of 21 watts for the brake light and 5 watts for the rear light, this bulb provides complete illumination in a single bulb. The BA15 socket is a standard bayonet socket that fits in most bike carrier lighting systems. The dual filament automatically switches between the functions: 5W burns continuously as the rear light, 21W lights up when braking for clear warning. The set of 2 pieces ensures that you have an immediate spare bulb or can replace both sides at the same time. Suitable for 12V systems on cars with bike carrier. Perfect for safe bike transport.
Why choose this product?
– Dual function 21W brake + 5W rear light – Solved the problem of multiple lights with a single bulb that combines both functions, making it simpler and more reliable.
– Set of 2 for both sides – Direct complete replacement for left and right sides or a spare available, cost-effective and practical for maintenance.
– Standard BA15 fitting for bike carriers – The universal bayonet fitting fits most 12V bike rack lighting systems without any adjustments.
