The Serfas True Series light line was developed to be the best on the market. Given the True stamp of approval, these tail lights will meet & exceed their expected lumen output while offering you all the features you’ve come to enjoy from Serfas lighting. Please welcome the new line of True Series lights & be prepared to turn night into day.
Super Bright (50 Lumens) *Daytime Flash
Auto Safe Mode
Last Mode Memory
USB Remote Switch Compatible
Aero Post Compatible
Solid Modes: High (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs
Flash Modes: *Daytime Flash (50 Lumens): 19.5 hrs, High Flash Slow (25 Lumens): 9.5 hrs, High Flash Fast (25 Lumens): 5 hrs, Low Flash (10 Lumens): 13 hrs, Auto Safe Mode Extends Runtime an Additional 45 mins