Lezyne Fender Mount Ebike Taillight – 11 Lumen STVZO Black. Lezyne Ebike Fender Alert Taillight; A compact lightweight fender-mounted StVZO certified e-bike taillight with custom-programmed Alert Technology. It features four high-output emitters that provide a constant 11 lumens and then 22 lumens when deceleration is detected. Its co-molded design is constructed from durable Composite Matrix material which provides an IPX7 waterproof rating. It comes with an integrated 130 cm (51.2 inches) cable that connects to the e-bikes motor/battery system. Stainless steel mounting hardware is included. Compatibility: 6 12v input 1.2w. Download the manual below for further installation and compatibility details.