Put it on in the garage in 2 minutes
Clipped it under the saddle, strapped the remote on and that was it. The red light alone is brighter than my old one.

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Press left or right. An arrow lights up the road beside your wheel.
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It clamps onto the back of your seat post with a quick-release mount, no tools needed. The remote straps onto your handlebar.
Press left or right on the remote. That side of the light blinks amber and an arrow is projected onto the road beside your rear wheel. Press again to switch it off.
The arrow is made for low light: dusk, night, tunnels and dark mornings. In bright sun it's faint, but the amber side lights still blink.
Plug the included USB cable into any USB charger or laptop. No batteries to buy.
Yes. It's splash-resistant, so light rain and wet roads are fine. Just don't submerge it or pressure-wash it.
The Arrowcast light, the wireless handlebar remote, the seat-post mount, a USB charging cable and a quick-start guide.
Set up in under a minute
Clamp it on, strap on the remote, ride.

Your turn, drawn on the road
Arrowcast projects a bright arrow onto the road right beside your rear wheel. Drivers behind you see where you're heading before you turn, and between turns it's a bright red tail light.
Pick your bundle:
More than a tail light
A bright arrow on the road is hard to miss, long before you turn.
Signal with your thumb instead of taking a hand off.

Charges over USB. A red tail light keeps you visible between turns.
Ride home seen
Take it on your next night ride.
verified_user30-Day Money-Back Guarantee. Not for you? Send it back within 30 days of delivery for a full refund.
Get my Arrowcast · from €39,99 ↗Based on 1,500+ reviews
Put it on in the garage in 2 minutes
Clipped it under the saddle, strapped the remote on and that was it. The red light alone is brighter than my old one.

Got it for my daughter
She rides home after dark twice a week. Seeing that arrow on the road made me feel a lot better about it.

Drivers give me room now
My commute has a nasty left turn across traffic. With the arrow on the road, cars actually wait instead of squeezing past.
Everything in the box
Light, remote, mount, cable and a little guide. Packed well, charged it fully before the first ride.

Great at night, faint in sun
The arrow is amazing at dusk and night. In full sunshine you mostly see the amber side lights, which is what they say on the page.
Works on my e-bike too
Fits the seat post on my e-bike fine. Hallway photo because I'm still showing it to everyone.

Hands stay on the bars
Hand signals in traffic always felt sketchy. Now it's a thumb press and both hands stay where they should.
Bought the 2-pack
One for me, one for my son. Both bikes at the rack now have one.

Good, wish the strap was longer
Works well and is bright. The remote strap is a bit tight on my thick handlebar, but it holds.
Survived a wet week
Five days of rain on my commute and no issues. The arrow even reflects nicely on the wet road.

Trail rides at dusk
Use it on the way to and from the trails. The remote fits fine on a wide MTB bar.

Easy to charge
I just plug it into my laptop charger at work. No batteries to keep buying.
Arrowcast Projection Turn Signal
€39,99 €59,99