Gaciron W10-BS smart taillight detects braking, runs for 66 hours!

Gaciron announced a new smart taillight for your bike, the W10-BS. It attaches to either a saddle or seat post, and automatically detects braking forces – switching to its brightest mode for 3-seconds as a warning to others. The W10-BS is IPX5 waterproof, USB-rechargeable, and runs for a stunning 66 hours via a 350mAh lithium battery.

Gaciron W10-BS smart braking bicycle taillight

There have been various execution of automatic lights, but Gaciron set out to bring automatic features to new prices and run times. The new W10-BS will detect when you’re braking and switch to its brightest mode for three seconds.

Don’t like the auto mode? You can also run it manually (via a switch on the back), choosing from three modes: 5 lumen flash, 2 lumen flash, and 2 lumen constant. Also note the USB charging port on the back of the housing.

 

The W10-BS uses an aluminum housing with rubberized seatpost band. Gaciron claims a waterproof rating of IPX5.

Don’t want it on your seat post? Simply zip-tie it to the saddle rails, for a clean look.

The W10-BS weighs in at a claimed 27.8 grams, and is available now for $12 USD. Gaciron updated us with new US retail pricing: $24.

Gaciron.com

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13 Comments
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Brian Cove
Brian Cove
2 years ago

Is this product actually available for sale anywhere?

Joenomad
Joenomad
2 years ago

$12, sounds too good to be true!

Klaster_1
Klaster_1
2 years ago
Reply to  Joenomad

My V9S-1000 serves me well, to be honest I was rather surprised to even see Gaciron mentioned on BR.

Carbonazza
2 years ago
Reply to  Joenomad

I use their front and rear lights for a few years, Gaciron are the best you can find on Aliexpress.

It is funny how cyclists react to a fair price for a LED light.
The bike industry got us badly educated 🙂

IzzyM
IzzyM
2 years ago

This is the same design as the Enfitnix XLite100 which has been around for a while.
The Gaciron has a better (claimed) battery life though, and is much cheaper.

IzzyM
IzzyM
2 years ago

Wait, is that price correct? Only USD12?

Dolan Halbrook
Dolan Halbrook
2 years ago

For $12 looks like a light worth trying, but it’s not clear where/how can you actually buy it?

Rafał Kozłowski
Rafał Kozłowski
2 years ago
Reply to  Dolan Halbrook

It is actually $24 on Aliexpress.

Heffe
Heffe
2 years ago

5 lumens is its max output, can that be right?

Velo Kitty
Velo Kitty
2 years ago

4 Working Modes
———————-
10 Lumen Brake
5 Lumen Flash
2 Lumen Flash
2 Lumen Constant

Aaron
Aaron
2 years ago
Reply to  Velo Kitty

Not a lot of output.

DingDang
DingDang
2 years ago

Didn’t Cateye (and others) do this like years ago?