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We offer a 14-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues.Have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrossport.co.uk
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Experience hands-free safety with the ROCKBROS R0—a clever handlebar plug that doubles as a smart rear light. This waterproof wonder automatically syncs with your braking, flashing brighter when you slow down to alert traffic behind you. Simply plug it into your handlebar end and ride with confidence. Perfect for commuters and weekend warriors who refuse to compromise on visibility. Smart cycling just got easier!
Intelligent Synchronization: Automatically synchronizes taillight flashing with teammates.
Brake Warning: Automatically illuminates to alert when decelerating or braking.
Automatic Sleep/Wake-up: Sleeps when stationary and wakes upon vibration.
Waterproof and Long Battery Life: USB-C charging, 6-40 hours of battery life.
Multiple Lighting Modes: Selectable flashing, breathing, lightning, high-frequency, and constant-on modes.
🌟 Smart Sync Technology – Team Ride Ready
Ride smarter together! 🚴♂️ The advanced Smart Sync system automatically synchronizes your tail light’s flashing patterns with compatible teammate lights, ensuring a unified and eye-catching signal for group rides and added safety on the road.
💡 Intelligent Brake Warning – Instant Visibility
Stay seen when it matters most! The light automatically brightens for 3 seconds during braking or sudden deceleration, clearly warning riders and vehicles behind you — improving awareness and preventing rear-end accidents.
😴 Auto Sleep & Wake – Motion-Activated Convenience
No need to press buttons! With a built-in vibration sensor, the light intelligently enters sleep mode when idle and instantly wakes up as soon as it detects motion, saving energy and hassle.
💧 Waterproof & Long Battery Life – Ride Through Any Weather
Engineered with an IP-rated waterproof shell and powered by a USB-C rechargeable battery ⚡ offering up to 6–40 hours of runtime. Perfect for daily commutes or long-distance adventures, rain or shine.
✨ Multiple Lighting Modes – Customize Your Glow
Switch between Flash, Breath, Lightning, High-Frequency, or Steady modes to match your riding style, terrain, or weather. Whether day or night, your visibility and safety always shine bright.
| Feature | Description |
|---|---|
| Smart Sync | Syncs with teammates' tail lights. |
| Brake Warning | Lights up during braking or deceleration. |
| Auto Sleep/Wake | Sleeps when idle, wakes with vibration. |
| Waterproof & Long Battery | Waterproof, USB-C, 6-40 hrs battery life. |
| Auto Sync | Syncs flashing with compatible tail lights. |
| Brake Light | Lights up for 3 seconds during braking. |
| Vibration Sensor | Sleeps when idle, lights with vibration. |
| Lighting Modes | Flash, breath, lightning, high-frequency, steady. |
| Housing | Durable ABS plastic. |
| LED | High-brightness LED beads. |
| Bracket | Aerospace aluminum alloy. |
| Weight | 30 grams. |

Experience hands-free safety with the ROCKBROS R0—a clever handlebar plug that doubles as a smart rear light. This waterproof wonder automatically syncs with your braking, flashing brighter when you slow down to alert traffic behind you. Simply plug it into your handlebar end and ride with confidence. Perfect for commuters and weekend warriors who refuse to compromise on visibility. Smart cycling just got easier!
Intelligent Synchronization: Automatically synchronizes taillight flashing with teammates.
Brake Warning: Automatically illuminates to alert when decelerating or braking.
Automatic Sleep/Wake-up: Sleeps when stationary and wakes upon vibration.
Waterproof and Long Battery Life: USB-C charging, 6-40 hours of battery life.
Multiple Lighting Modes: Selectable flashing, breathing, lightning, high-frequency, and constant-on modes.
🌟 Smart Sync Technology – Team Ride Ready
Ride smarter together! 🚴♂️ The advanced Smart Sync system automatically synchronizes your tail light’s flashing patterns with compatible teammate lights, ensuring a unified and eye-catching signal for group rides and added safety on the road.
💡 Intelligent Brake Warning – Instant Visibility
Stay seen when it matters most! The light automatically brightens for 3 seconds during braking or sudden deceleration, clearly warning riders and vehicles behind you — improving awareness and preventing rear-end accidents.
😴 Auto Sleep & Wake – Motion-Activated Convenience
No need to press buttons! With a built-in vibration sensor, the light intelligently enters sleep mode when idle and instantly wakes up as soon as it detects motion, saving energy and hassle.
💧 Waterproof & Long Battery Life – Ride Through Any Weather
Engineered with an IP-rated waterproof shell and powered by a USB-C rechargeable battery ⚡ offering up to 6–40 hours of runtime. Perfect for daily commutes or long-distance adventures, rain or shine.
✨ Multiple Lighting Modes – Customize Your Glow
Switch between Flash, Breath, Lightning, High-Frequency, or Steady modes to match your riding style, terrain, or weather. Whether day or night, your visibility and safety always shine bright.
| Feature | Description |
|---|---|
| Smart Sync | Syncs with teammates' tail lights. |
| Brake Warning | Lights up during braking or deceleration. |
| Auto Sleep/Wake | Sleeps when idle, wakes with vibration. |
| Waterproof & Long Battery | Waterproof, USB-C, 6-40 hrs battery life. |
| Auto Sync | Syncs flashing with compatible tail lights. |
| Brake Light | Lights up for 3 seconds during braking. |
| Vibration Sensor | Sleeps when idle, lights with vibration. |
| Lighting Modes | Flash, breath, lightning, high-frequency, steady. |
| Housing | Durable ABS plastic. |
| LED | High-brightness LED beads. |
| Bracket | Aerospace aluminum alloy. |
| Weight | 30 grams. |
