Fenix BC06R Smart-Brake Bicycle Taillight | 90-Lumen Burst, 270° Beam, IP66, USB-C

Brake Smarter. Be Seen Instantly.

The Fenix BC06R is the only bicycle taillight that automatically detects when you brake and instantly surges to a 90-lumen burst — alerting drivers up to 100 meters away before they even realize you've slowed down. Pair that with a 270° wide-angle beam (vs. the 180° on standard taillights) and you're visible from nearly every angle on the road.

Smart Brake Sensing

The BC06R's accelerometer detects deceleration in real time and triggers the 90-lumen burst automatically — no button press required. When you're cruising, it drops back to your selected mode to preserve battery. It's the closest thing to a brake light your bike can have.

270° Wide-Angle Visibility

Most taillights cover a narrow rear arc. The BC06R's 270° beam wraps around to cover your sides as well — critical at intersections, roundabouts, and lane changes where narrow-beam lights leave you invisible to cross-traffic.

24.5-Hour Runtime

With up to 24.5 hours of continuous runtime, the BC06R outlasts most rides — and most competitors. Charges fully in just 2 hours via USB Type-C (universal cable, no proprietary charger needed).

Fits Almost Any Bike

Dual mounting system supports both seatposts (25.4–31.6mm) and saddle rails (39–50mm) — no adapters required for most road, gravel, and mountain bikes.

IP66 Waterproof

IP66 means protected against powerful water jets — not just light rain. Ride in any weather without worrying about the light failing mid-commute.

Multiple Lighting Modes

• Constant mode
• Flashing mode
• Spinning light mode
• Smart brake burst (automatic, always active)

Specs

• Max Output: 90 lumens (brake burst)
• Beam Angle: 270°
• Visibility Range: Up to 100m
• Runtime: Up to 24.5 hours
• Charge Time: ~2 hours (USB Type-C)
• Waterproofing: IP66
• Seatpost Compatibility: 25.4–31.6mm
• Saddle Rail Compatibility: 39–50mm
• Weight: ~0.3 lbs