Introducing the all-new and revolutionary Cygolite Slingshot Pro 210 lumen bicycle taillight, the perfect fusion of Cygoliteâs renown brightness and cutting-edge compact designs7 lighting modes for day and night use (Steady - Zoom - SteadyPulse® - Bzzz Flash - Triple Flash - DayLightning® Flash - Random Flash)Experience the best battery life ever on the most powerful and slimmest bicycle light series of its kindTwo-button design lets you fine tune the brightness and flash speeds to your cycling needsExpand run times beyond factory default settings by fine tuning the brightness modes and flash speedsSturdy flexible mount built for tough terrain secures the light onto standard and aero seatpostsLight mode memory keeps the light in its current mode when turning on and offEngineered with the perfect balance of brightness, ruggedness, and compact styleCycling Tuned Optics⢠throws a long range, extra wide beamBlack7RearSeatpostUSB-C210UPC/EAN/GTIN: 745025046137