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Serfas True 350 USB Front Bike Light

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Brightening the path for bike commuters and low-light rides, the Serfas True 350 front bike light enhances visibility with a 350-lumen beam and recharges at the USB port of your computer.

  • Offers 3 hrs. in overdrive (350 lumens). 4 hrs 30 min. on high (230 lumens); 7 hrs. 30 min. on medium (150 lumens); 18 hrs. on low (80 lumens), and 6 hrs. on flashing
  • The Serfas True 350 front bike light includes a USB charging cable, wall adapter, handlebar mount, helmet mount, and an interchangeable lens for standard or wide beam
  • Charge time with USB: 5 hrs. and 30 min.; charge time with wall charger 4 hrs.
  • 195g light and 40g handlebar bracket weigh a total of 235g


Item 865667


This item's hot - and it's only available online.

This item contains hazardous or flammable materials and is restricted to surface shipping only. Online orders for shipment to Alaska must be picked up at the Anchorage REI store (follow options for Free Shipping to REI Store when ordering); shipment to any other Alaska address is not offered. Sorry, this product cannot be shipped to Hawaii, APO, FPO or international addresses.

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Serfas True 350 USB Front Bike Light Specs
Best use
Handlebar and helmet
(USB) 5.5 / (wall) 4 hours
Lithium ion
3.5 hours
18 hours
6 hours
(Light) 195 / (handelbar bracket) 40 grams
Bulb type
Number of bulbs
Max light output (lumens)
Headlight mounting
Charge time
Integrated battery
Battery life on high
Battery life on low
Battery life flashing

Serfas True 350 USB Front Bike Light

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