Serfas Thunderbolt 2.0 Headlight Bicycle Night Riding 6 Modes 120 Lumens

Serfas Thunderbolt 2.0 Headlight Bicycle Night Riding 6 Modes 120 Lumens

• Extremely bright and compact - Puts out 120 lumens in a small frame designed for daytime riding, making you highly visible in traffic. Ideal for safety during commutes, cloudy days, or when moving through shifting light conditions.
• USB rechargeable with replaceable battery - Convenient charging and a user-replaceable 500 mAh lithium polymer battery ensure you always have reliable power without the need for constant replacements, saving time and money on the go.
• Versatile solid modes - Choose from High 60 lumens for 1.5 hrs, Medium 40 lumens for 2.5 hrs, or Low 20 lumens for 5.5 hrs to match your environment. Adjust brightness easily for efficiency and comfort during any daytime ride.
• Attention-grabbing flash modes - include Daytime Flash (120 lumens), which lasts 23 hours, High Flash Slow (12 hours), High Flash Fast (7.5 hours), and Low Flash (18.5 hours). Drivers can’t miss you, with flexible options to enhance safety in any traffic situation.
• Durable lightweight design - CNC precision laser-etched aluminum housing delivers a stylish look and long-lasting strength at just 40 grams with bracket, giving you a sturdy yet minimal headlight that won’t weigh down your ride.