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Reviews (6)

Dec 14, 2016
Great light
1 of 1 found this helpful This light is bright enough at night so you can't outdrive it at 30 mph on the pulse mode. During the day on its daylight flash mode, I have had no problems with cars seeing me at intersections, unlike a previous light of 350 lumens. The handlebar mount is bulletproof, easy to install and easy to remove and reinstall the light on. I have over 9000 miles on the 850, it's tough.

Oct 31, 2017
Great flatlander cassette, not recommended for hills.

Dec 07, 2016
Excellent light
2 of 2 found this helpful I leave at 6:00 in the morning and need a headlight to see the road in the dark and make myself as visible as possible. This Cygolite 850 on pulse does that perfectly. The handlebar mount is sturdy, easy to install, holds the light very securely and is easy release the light from. On daylight flash no motorist should not see it as it's extremely bright. This unit now has over 9000 miles on the bike with zero problems.