Smart Brake Tail Lights
Compare supplier-described brake sensing, Type-C charging, mount options, runtime wording, and weather ratings before choosing a rear bike light.
WEST BIKING Variant #207327 Smart Brake Sensing Bike Taillight
Features
- Smart brake sensing
- 8 lighting modes
- Type-C rechargeable
- Waterproof IPX4
- Vibration detection
- 400mAh battery
General specs
- Brand: WEST BIKING
- Seller: Banggood
- ID: 2019576
- Brand: WEST BIKING
- Weight: 0.083 lbs
- Material: Aluminum Alloy
- Charging Time: 2 hours
- Lighting Modes: 8 Light Modes
- Lamp Beads Type: 61 COB Lamp Beads
- Battery Capacity: 400mAh Lithium Battery
- Package Contents: 1 x Taillight, 1 x Seat Post Bracket, 1 x Seat Bow Bracket, 1 x Charging Cable, 2 x Cable Tie
- Waterproof Rating: IPX4
- Charging interface: Type-C
- Runtime (steady red light): 9h
- Runtime (7 color cycle light): 6.5h
- Runtime (3 red lights flashing): 21.5h
- Runtime (colorful lights flash): 6.5h
- Runtime (slow flashing red light): 14.5h
- Runtime (red and blue lights flash in reverse): 28.5h
- Runtime (three lights colorful and fast flash): 17h
- Runtime (red/blue, red/green lights flash alternately): 9.5h
- First listed by seller: February 23, 2026
If you are interested in more details, you can find full information on the seller's page.
€11.93
Last price update: 5/9/26
Available to order
Price History for seller Banggood
Shipping options
Delivery to 
United States
United States
Available
This smart brake sensing bike taillight is for the urban commuter who rides in traffic or the evening cyclist navigating dimly lit streets. It goes beyond basic visibility to enhance safety with real-time responsiveness.
Its brake sensing feature detects when you slow down, automatically brightening to alert drivers behind you. This gives you one less thing to worry about during sudden stops. The vibration sensor turns the light on when you start riding, so you never forget to activate it. With 8 lighting modes, including steady red and colorful flashes, you can choose a mode for day or night. The 400mAh battery lasts through long rides, and Type-C recharging is quick and convenient. It mounts easily to your seat post or bow with included brackets.
You stay visible and focused on the road, making every ride safer and more confident.
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| Brand | WEST BIKING | GIYO | CYCLAMI | ROCKBROS | BIKIGHT | ROCKBROS |
| Model | CY120 | Q5 | Highlight Warning Taillight | R3 | ||
| Price | €11.93 | €15.34 | €11.93 | €16.19 | €11.08 | €14.49 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Weight | 0.083 lbs | 26g (0.057 lbs) | 0.06 lbs | 0.12 lbs | 0.099 lbs | 0.073 lbs |
| Material | Aluminum Alloy | Carbon Fiber, PCB | Aluminum Alloy, 6061 Aluminium alloy | Aluminum Alloy | Aluminum Alloy, Plastic Base | |
| Lighting Modes | 8 Light Modes | Single Flash, Double Flash, Breathing Flash, Steady On, Running Lights, Spinning Wheels | 4 | |||
| Battery Capacity | 400mAh Lithium Battery | 350mAh | 400mAh | 400mAh | ||
| Waterproof Rating | IPX4 | Waterproof | IPX6 | IPX6 | ||
| Light Modes | 6 | 4 | 4 modes, fast flashing, slow flashing, steady running light | |||
| Features | Instant Activation, Vibration Wake Up, Energy Saving Mode, Multiple Light Modes, Waterproof Design | Vibration Sensor Wake-up, Automatically turn on/off based on light intensity and motion, Auto sleep mode for power saving, Seat rail mounting, 4 flash modes, 20 hours runtime, Type C charging, Battery indicator flashes every 6 seconds, Compact and lightweight design, IPX6 waterproof | Dual Bracket Design, Same Frequency Induction Brake Light, Smart Brake Light with Automatic Detection, Easy Installation, Wear and Tear Resistant, Versatile for All Bicycle Types | |||
| Dimensions | 1.5 inches x 1.16 inches | 1.57 x 1.34 x 1.34 inches | 1.18 x 1.34 x 1.34 inches | |||
Smart Brake Sensing Bike Taillight Smart brake sensing
€11.93
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