"GS" Rear Light as a classic rear light of the 1960s for Vespa 125/150 Models, with combined rear and brake light lens.

The "GS" Rear Light can be found on many 125 and 150 models from the 1960s and is considered the successor to the VBA Rear Light. In contrast to its predecessor, the rear and brake light lenses are designed as a single unit. Rear Lights from BOSATTA have a chrome-plated plastic housing and are available with either red or transparent Rear Light Lens. Repro Rear Lights are available with a chrome-plated metal housing or polished aluminum housing. SIEM stands for high-quality chrome-plated metal housings.