Knog Blinder ARC 640 Pewter
Knog Blinder ARC 640 BlackKnog Blinder ARC 640 SilverKnog Blinder ARC 640 RedKnog Blinder ARC 640 in the boxKnog Blinder ARC 640 in action

Knog Blinder ARC 640


The Knog Blinder Arc 640 is at the top range of Knog’s line, intended for serious road and trail cyclists who are routinely riding in darkness. Small and compact, this light packs a punch as it powerfully pumps out light to keep your path safely illuminated.



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Product Description

Specially designed to illuminate the curves of the road and trail, with the Blinder Arc 640 you won’t be caught surprised by any unseen objects as you ride. The light uses 640 lumens from the latests CREE LEDs to project up to 1000 meters out in front of you. It uses an elliptical beam of 16 degrees vertical and 24 degrees horizontal so the light is focused ahead of you and not scattered out into the darkness.

The light features four different modes: High Beam (1.7 hrs), Medium Beam (3.3 hrs), Low Beam (7.3 hrs), and Flash (15 hrs). The light comes with two interchangeable straps that are compatible with 25-30mm and 30-35mm handlebars. A helmet mount is also included. When it comes time to recharge the battery, you will be notified by the red, low-battery indicator on the light. Simply use the integrated USB plug on the light and you will be fully charged and ready to go in no time. The Blinder Arc 640 is available in four colors: Black, Pewter, Ruby, and Silver.


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LIGHT OUTPUT : 640 lumens
DIMENSIONS : 32 x 32 x 100.5mm.
WEIGHT : 150g
LIGHT MODES : 4 light modes: High, Medium, Low & Flash
BIKE ATTACHMENT : 2x interchangeable straps for bars 25-30mm / 30-35mm in diameter. Helmet Mount included
BEAM ANGLE : Elliptical beam; 16° (vertical) x 24° (horizontal)
High Beam: 1.7hrs
Medium Beam: 3.3hrs
Low Beam: 7.3hrs
Flash: 15hrs