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Combining two great lights, the Serfas Thunderbolt 2.0 Combo Bike Light Set is Serfas's most popular. With their Thunderbolt 2.0 design, they've managed to cram an incredible amount of power into a low profile form factor. These lights are bright, versatile, and smart: they've got an Auto Safe mode that kicks in when your ride goes long, adding an extra bit of shine for those last few miles home.
Headlight – 16 High Powered White Micro LEDs
Tail Light – 30 High Powered Red Micro LEDs
Battery – 500 mAh Lithium Polymer
Micro USB Charging Cable Included
Headlight Solid Modes – High (60 Lumens): 1.5 hrs, Medium (40 Lumens): 2.5 hrs, Low (20 Lumens): 5.5 hrs
Headlight Flash Modes – *Daytime Flash (120 Lumens): 23 hrs, High Flash Slow (60 Lumens): 12 hrs, High Flash Fast (60 Lumens): 7.5 hrs, Low Flash (25 Lumens): 18.5 hrs
Taillight Solid Modes – High (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs
Taillight 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
Handlebar Mount
Adjustable Strap Mount Taillight
Last Mode Memory
CNC Aluminum Heat Sink Light Housing
Wired Remote Switch Compatible
Water Resistant (IPX4)
Aero Post Bracket Included