The ROCKBROS R0 Smart Bike Rear & Handlebar End Light is a compact, weather-ready beacon that doubles as both a rear light and a handlebar end light, crafted for riders who value visibility in all conditions and on group rides.

• Dual-Use Design: Serves as a rear tail light and a handlebar end light for versatile mounting and multi-angle visibility.
• IPX6 Waterproof Rating: Built to withstand rain, splashes, and wet rides without compromising performance.
• Smart Braking & Auto-Sensing: Braking triggers a distinct 3-second brake light; acceleration activates a high-beam alert for enhanced awareness on the road.
• Stealth-Secure Bar Integration: Flush-mounted, aero profile with anti-shake locks for stable visibility that blends with your bike’s aesthetics.
• Team Sync & Signaling: Green mode coordinates flashing with teammates up to 30 meters away; Blue mode allows centralized control of multiple units within 2 meters for unified signaling.
• Five Lighting Modes: Choose from Fast Flash (≈13 hours), Breathing (≈12 hours), Lightning (≈13 hours), High Frequency (≈213 hours), or Steady On (≈7.5 hours) to match any riding scenario.
• Brightness Control: Long-press the power button while the unit is off to adjust brightness in Steady On mode (High/Medium/Low) for personalized visibility.
• Fast USB-C Charging: Quick recharge with USB-C; battery life ranges from 6 to 40 hours depending on mode, with practical runtimes for day or night rides.
• Lightweight & Durable: Weighs 30 grams with high-brightness LED beads and a rugged ABS housing, designed for everyday cycling sessions.
• Fit & Installation: Specifically designed to fit 22 mm (2.2 cm) handlebars; easy two-hex-key installation with secure bar plugs.

Designed for riders who want reliable, intelligent lighting without fuss, the ROCKBROS R0 delivers automatic brightness adjustments, responsive braking signals, and coordinated group signaling. Whether you’re commuting in drizzle, heading out for a night ride, or leading a team on a dusk ascent, this light helps you stay visible from multiple angles while preserving the bike’s clean look. Its durable construction, simple installation, and flexible lighting options make it a practical upgrade for everyday cyclists who demand performance without complexity.