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Fenix BC21R V3 FAQs
Why does the BC21R V3 sometimes downshift to a lower output level?
There are two reasons that this might happen:. First, the light features Intelligent Overheat Protection which may be triggered after a period of use because high-powered LED lights can generate a lot of heat. When the light reaches 140°F (60°C), the
Does the Fenix BC21R (V1) bike mount allow any left-right adjustment?
Yes, the BC21R (V1) bike mount is able to turn left or right.
How can I prevent accidental activation of the BC21R V3?
The BC21R V3 bike light does not feature a lockout function but you can prevent accidental activation of the light by unscrewing the tail cap a small amount or removing the battery while it is not in use.