Review: Knog Blinder ARC 640

Functionality, useability and style are its virtues

Lights Lights Shootout
The USB plug is built in and it tucks neatly behind the light. It is water sealed when in the stored position.

The USB plug is built in and it tucks neatly behind the light. It is water sealed when in the stored position (click to enlarge).

At the end of the day, the beam pattern is good too. It is an honest output that matches up to claims and it is a shaped beam that is not a simple circle. Great care was taken with the optics to give a wide, rectangular beam.

Knog Blinder Arc 640 Beam Pattern

Beam Pattern Photo

We photographed the lights in the same location setting with the same camera settings. The photo was taken in the back yard that is approximately 25 yards long. The backyard beam pattern allows you to gauge the throw and the width of the light. Compare all Beam Patterns here »

Integrating Sphere Measured Lumens

This light measured 630 Lumens in an integrating sphere. Claimed Lumens by the manufacturer is 640 Lumens. Compare all Lumen Tests here »

Weight of 152 grams is right in the middle of the pack for this output level.

Weight of 152 grams is right in the middle of the pack for this output level (click to enlarge).

If high power is not your goal, you won’t be disappointed with this Knog light or other Knog offerings. Use one or two for the trail and you’re set.

For more information visit usd.knog.com.au.

This article is part of Mtbr and RoadBikeReview’s 2016 Bike Lights Shootout. See the 2016 Mtbr Headlights Index and the RoadBikeReview Commuter Lights Index.


About the author: Francis Cebedo

The founder of mtbr and roadbikereview, Francis Cebedo believes that every cyclist has a lot to teach and a lot to learn. "Our websites are communal hubs for sharing cycling experiences, trading adventure stories, and passing along product information and opinions." Francis' favorite bike is the last bike he rode, whether it's a dirt jumper, singlespeed, trail bike, lugged commuter or ultralight carbon road steed. Indeed, Francis loves cycling in all its forms and is happiest when infecting others with that same passion. Francis also believes that IPA will save America.


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