Thunderbolt 2.0 Headlight

buy on amazon

Serfas

Bike
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Claimed Specs

Beam

Flood

Lumens

60 High
40 Med
20 Low

Run Time (mins)

90 High
150 Med
330 Low

Charge Time
Weight

40 grams

Claimed vs Actual Results
Lumens Beam Angle Runtime
Claimed 60 90 mins
Actual 87 117 mins
Difference

Lumen Test