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Serfas Thunderbolt 2.0 Front Bike Light

sku# 149501
Serfas - Thunderbolt 2.0 Front Bike Light
Model Info
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Product Info

The Serfas Thunderbolt 2.0 Front Bike Light give you what you need in a light. Rechargeable, long-lasting and a brightness that rivals the sun. Get one, mount it up, and keep your bike safe and visible during your ride.

Product Details


Super Bright (120 Lumens) *Daytime Flash

Strip of 16 High Powered White Micro LEDs


Battery500 mAh Lithium Polymer

USB Rechargeable


Solid ModesHigh (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs

Flash ModesDaytime 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 ModeExtends runtime an additional 45 minutes.


Aero Post Compatible

Additional Features

Last Mode Memory

USB Remote Switch Compatible

CNC Aluminum Heat Sink Light Housing

Water Resistant (IPX4)


  • Biking Type: Urban/Commuter
  • Light Output (lm): 50
  • Weight (g): 40
  • Rechargeable: Yes
  • Warranty: Limited Lifetime



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