2014 Bike Lights Shootout: Tunnel Beam Patterns

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Serfas True 550

Serfas True 550

  • Claimed Lumens: 550 Lumens
  • Measured Lumens: 577 Lumens
  • Measured MTBR Lux: 55 Lux
  • Price: $140

http://www.roadbikereview.com/reviews/review-serfas-true-550

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