VIARON Bicycle Tail Light with Brake Sensor: USB rechargeable
Available Options
Red Black
Joom
$16.36
Out of stock
Imagine you're coasting downhill at dusk when the car behind you suddenly brakes—except it's not the car, it's your bike's tail light flashing brighter as you slow down. The Bicycle Tail Light with Brake Sensor isn't just another blinky light; it's a clever safety upgrade that shouts 'heads up' to traffic the moment you hit the brakes. Waterproof? Check. No more fumbling with disposable batteries thanks to USB charging? Double check. And with a mount that clamps onto your seatpost like a determined koala, it's ready for anything from urban commutes to muddy trail rides. This isn't just about being seen—it's about being understood, one bright pulse at a time.
- Waterproof design
- Brake sensor technology
- Seatpost saddle mount
- Night riding safety
- USB rechargeable
General specs
- Brand: VIARON
- Seller: Joom
- Power Source: USB rechargeable
- Waterproof: Yes
- Mount Type: Seatpost saddle mount
- Special Features: Brake sensor technology
- First listed by seller: 8/13/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$16.36
Last price update: 8/13/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Bicycle Tail Light with Brake Sensor USB rechargeable
|
USB Rechargeable Bike Smart Brake Light USB rechargeable
|
USB Rechargeable Bike Smart Brake Light USB rechargeable
|
Bicycle Tail Smart Brake Light Smart brake detection
|
Bicycle Rear Light with Smart Brake Smart brake detection
|
Smart Rear Bicycle Light Smart brake sensor
|
|
| Brand | VIARON | KaCoshi | Actually lighting | CYCLAMI | JAPAN SPORTS | Sturdy equipment |
| Model | ||||||
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $16.36 | $34.35 | $39.50 | $43.87 | $42.98 | $21.12 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | September 20, 2025 | August 19, 2025 | August 23, 2025 | August 31, 2025 | August 31, 2025 | August 20, 2025 |
| Power Source | USB rechargeable | USB rechargeable | USB rechargeable | USB rechargeable | Rechargeable battery | |
| Light Type | LED | LED | LED | |||
| Waterproof Rating | IPX6 | IPX6 | Waterproof | |||
Bicycle Tail Light with Brake Sensor
$16.36
Reviews
3
5
0
4
0
3
1
2
0
1
0
Jeanne R.
Lyon
August 17, 2025
As a mom who cycles a lot with the kids, safety is a big deal for me, so I was excited to try this out. Q: Did it make me feel safer? A: Most likely, yes—the way it flashes when I brake is a nice touch, and drivers seem to notice it better. Q: Is it worth the money? A: Quite possibly, if you're a deal hunter like me, but it's not perfect. I've used it for a couple of months now, and while it's reliable for evening rides, I wish it were brighter for those sunny days. Overall, it's a good addition to my gear, but I might look for something with a bit more oomph in the future.
- Pros: I really liked how it gets brighter when I slow down, which feels much safer in traffic. The mount is super secure and easy to attach, and I appreciate that it charges with a standard cable instead of needing batteries. It's held up well in rain, so no worries about weather.
- Cons: The light isn't as bright as I hoped for daytime use, and it can be a bit finicky to adjust the sensitivity for braking. The battery life is decent but not amazing—I find myself charging it more often than I'd like, especially on longer rides.