Fenix BC06R Smart-Brake Taillight – 270° visibility, IP66

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The Fenix BC06R is a brake-sensing taillight that jumps to 90 lumens on deceleration — useful on roads where following distance is tight. Fits seatposts 25.4–31.6mm and saddle rail s 39–50mm, so it covers most setups without an adapter. Brake sensing - Automatically boosts to 90-lumen burst when braking; visible up to 100 meters Beam angle - 270° coverage; multiple modes including steady, flash, and spinning light Runtime - Up to 24.5 hours; charges fully in 2 hours via USB-C Mounting - Fits seatposts 25.4–31.6mm and saddle rails 39–50mm; confirm your post diameter before ordering Weather resistance - IP66 rated for all-weather use Show more