1. Introduction
Thank you for choosing the ROCKBROS Bike Light Set, featuring the RHL series front light and the BL-S2 smart tail light. This set is designed to enhance your safety during day and night cycling with powerful illumination and intelligent warning features. Please read this manual carefully before use to ensure proper installation, operation, and maintenance.
2. Product Features
- RHL Series Front Light: Available in 200, 400, 600, 800, 1000, and 1500 lumens.
- BL-S2 Smart Tail Light: Upgraded touch-sensitive, multifunctional with brake sensing, light sensing, and vibration wake-up.
- Quick and tool-free installation for both lights.
- Multiple lighting modes for various riding conditions.
- Base and hanging installation options for the front light.
- Two installation options for the tail light (seat bow/seat post).
- IPX6 waterproof rating for reliable performance in wet conditions.
- Type-C charging for convenience.
- Side lights on front light double as battery indicators.
- Synchronous mode for tail light, ideal for group rides.
3. Specifications
RHL Series Front Lights
| Model | Lumens | Lighting Modes | Battery Capacity | Waterproof Level | Charging |
|---|---|---|---|---|---|
| RHL200 | 200LM | 4 | 1800mAh | IPX6 | Type-C |
| RHL400 | 400LM | 4 | 2000mAh | IPX6 | Type-C |
| RHL600 | 600LM | 5 | 2600mAh | IPX6 | Type-C |
| RHL800 | 800LM | 5 | 3000mAh | IPX6 | Type-C |
| RHL1000 | 1000LM | 5 | 4000mAh | IPX6 | Type-C |
| RHL1500 | 1500LM | 5 | 5000mAh | IPX6 | Type-C |
Common Features: Body Material: Aluminum alloy, Mounting Placement: Handlebar, Intelligent sensing: Yes (for some models).
BL-S2 Smart Tail Light
- Features: Touch-sensitive, Brake sensing, Synchronous mode, Light sensing activation, Vibration wake-up.
- Lighting Modes: 6 modes (Single Flash, Double Flash, Diffusion Flash, Steady, Ripple Flash, Random Flash).
- Battery Capacity: 200mAh Lithium Battery.
- Battery Life: 10-20.5 hours (depending on mode).
- Waterproof Level: IPX6.
- Charging: Type-C.
- Installation: Seat Bow or Seat Post.
4. Setup & Installation
4.1 RHL Series Front Light Installation
The RHL front light offers quick installation without tools and supports both base and hanging mounting.
- Attach the Bracket: Secure the quick-release strap bracket to your handlebar. The bracket features rubber anti-slip patches and adjustable mounting holes for a snug fit.
- Mount the Light: Slide the RHL front light onto the bracket until it clicks into place.
- Adjust Angle: For RHL1000/RHL1500 models, use the positioning screws to adjust the light angle. Twist and tighten to secure.
4.2 BL-S2 Smart Tail Light Installation
The BL-S2 tail light can be installed on either the seat bow (saddle rails) or the seat post.
4.2.1 Seat Bow Bracket Installation
- Attach the seat bow bracket to the saddle rails using the provided screw.
- Slide the BL-S2 tail light onto the bracket until it is securely fastened.
4.2.2 Seat Post Bracket Installation
- Wrap the rubber strap of the seat post bracket around your seat post and secure it.
- Slide the BL-S2 tail light onto the bracket until it is securely fastened.
5. Operation
5.1 RHL Series Front Light Operation
The RHL series front lights feature multiple lighting modes and a side light indicator.
- Power On/Off: Press and hold the power button for 1.5 seconds.
- Cycle Modes: In power-on state, a single click cycles through modes (e.g., A-B-C).
- Flashing Mode: A double click enters the flashing mode (e.g., Mode D or E).
RHL200 Operation Modes:
| Mode | Brightness/Lumen | Battery Life (approx.) |
|---|---|---|
| A mode: High | 200 lumens | 2.5h |
| B mode: Medium | 160 lumens | 3.8h |
| C mode: Low | 100 lumens | 7.5h |
| D mode: Flashing | - | - |
RHL400 Operation Modes:
| Mode | Brightness/Lumen | Battery Life (approx.) |
|---|---|---|
| A mode: High | 400 lumens | 2.5h |
| B mode: Medium | 280 lumens | 4.0h |
| C mode: Low | 180 lumens | 6.5h |
| D mode: Flashing | - | - |
RHL600 Operation Modes:
| Mode | Brightness/Lumen | Battery Life (approx.) |
|---|---|---|
| A mode: High | 600 lumens | 1.5h |
| B mode: Medium | 400 lumens | 2.5h |
| C mode: Low | 280 lumens | 3.0h |
| D mode: Lighting | 180 lumens | 5.0h |
| E mode: Flashing | 180 lumens | - |
5.2 BL-S2 Smart Tail Light Operation
The BL-S2 tail light features a touch-sensitive switch and smart sensing capabilities.
- Power On/Off: Long press the touch switch on the top of the lampshade.
- Flashing Mode Switch: Single click the touch switch to cycle through flashing modes (Single Flash, Double Flash, Diffusion Flash, Steady, Ripple Flash, Random Flash).
- Smart/Manual/Synchronous Mode Switch: Double click the touch switch to switch between Smart, Manual, and Synchronous modes.
Smart Features:
- Brake Sensing: Automatically illuminates for 2 seconds when braking or decelerating.
- Light Sensing Activation: Intelligently detects ambient light, autonomously determining when to illuminate (e.g., turning on in tunnels).
- Vibration Wake-up: Enters sleep mode after 2 minutes of stationary time to conserve battery. Easily awakened by a gentle touch or vibration.
- Synchronous Mode: When teammates equipped with the same tail light get close (within 30 meters), the lights automatically switch to and maintain the same frequency of illumination, ideal for group rides.
BL-S2 Tail Light Modes and Battery Life:
| Light Mode | Battery Life (approx.) |
|---|---|
| Single Flash | ~20.5H |
| Double Flash | ~13.3H |
| Diffuse Flash | ~11.6H |
| Steady | ~10H |
| Ripple Flash | ~12.3H |
| Random Flash | ~15H |
6. Battery & Charging
6.1 Battery Level Indicators (RHL Front Light)
The side lights on the RHL front light indicate the battery level:
- RHL200: Above 10% battery: Side light stays on. Below 10% battery: Side light flashes.
- RHL400: Above 50% battery: Side light stays on. Below 50% battery: Side light flashes slowly. Below 25% battery: Side light flashes quickly.
- RHL600: Above 30% battery: Side light stays on. Below 30% battery: Side light flashes slowly. Below 15% battery: Side light flashes quickly.
- RHL800: Above 50% battery: Side light stays on. Below 50% battery: Side light flashes slowly. Below 10% battery: Side light flashes quickly.
- RHL1000/RHL1500 (Button LED Light): Above 50% battery: Green light stays on. Below 50% battery: Green light flashes slowly. Below 30% battery: Red light flashes slowly. Below 15% battery: Red light flashes quickly.
6.2 Charging Guidelines
- It is recommended to use a 500+mA (USB2.0) charger.
- Avoid vibration during charge.
- Do not charge in direct sunlight or in places with a temperature range of 5~40°C.
- Ensure the USB plug is free of debris before charging.
- The product may not charge when the PC is in sleep mode.
- After completing the charge, do not leave the USB plug connected for an extended period.
- Charging Status (Front Light): Breathing flash.
- Fully Charged Status (Front Light): Constantly on.
6.3 Battery Guidelines
- Charging or storing the battery in high-temperature conditions may accelerate battery degradation.
- If the light duration significantly decreases after correct charging, it indicates the end of the battery life.
7. Maintenance
- Regularly check whether the light fixture is securely fixed. Do not use damaged rubber straps.
- Keep this product out of reach of children.
- If the light fixture or parts get dusty, use a soft cloth with water or mild soapy water for cleaning. Avoid using diluents, essential balm, or alcohol to prevent surface damage.
8. Troubleshooting
- Light not turning on: Ensure the battery is charged. For front light, long press the power button for 1.5 seconds. For tail light, long press the touch switch.
- Light duration is short: The battery may be degrading due to age or improper charging/storage. Refer to battery guidelines.
- Light not responding to touch (tail light): Ensure the touch area is clean and dry.
- Brake sensing not working: Check if the tail light is in Smart mode. Ensure it's securely mounted and not obstructed.
- Charging issues: Ensure the USB plug is free of debris and the charger meets the 500+mA (USB2.0) specification. Avoid charging in extreme temperatures.
9. Warranty Information
ROCKBROS offers the following warranty services:
- Within 15 days from purchase date: If the light does not function under normal conditions, a same-model replacement is available with a valid invoice or receipt.
- Within 1 year from purchase date: Warranty services are provided for material and manufacturing defects.
The warranty does not cover the following:
- Products beyond the free warranty period.
- Damages, surface scratches, or detached parts caused by human factors.
- Products that have been disassembled or modified without authorization.
- Accidental misuse or damage due to irresistible natural factors.
10. User Tips
No specific user tips were available from provided reviews or Q&A content.
