The lightweight Fenix BC05R V2.0 taillight delivers maximum efficiency with 15 lumens output, multiple lighting modes and mounting options, and USB Type-C charging. It boasts an impressive runtime and can be spotted up to 164 feet away, giving riders excellent visibility and peace of mind in low light conditions. The 180º wide-angle beam provides greater protection and can be seen from both sides and the rear. With an IP66 water-resistance rating, it's well-suited for urban commuting and mountain biking, even in heavy rain.