PEV Scout

The best turn signals & brake lights for PEV riders.

Taking a hand off the bars to signal at 25 mph is genuinely sketchy, and e-motos ship turn signals stock while e-bikes and scooters do not. Aftermarket signals and brake-flash lights close a real gap, not a fashion one.

Our top picks

The short answer. Every pick is written up in full below.

Lumos FireflyTop pickLumosFireflyUniversal clip mountsRead why

Compare the picks

ProductPositionControlBattery
LumosFireflyTop pickUniversal clip mountsApp or bar RemoteWireless charging, up to 96 h signals
LezyneSaddle Ai Alert 250Saddle or seatpostAutomatic brake detectionUSB-C, 5-60 h

The picks in full

1Lumos Firefly
LumosTop pick

Firefly

Modular clip-on lights with built-in yellow turn signals — mount on bars, seatpost, rack or helmet, and sync several together. IPX7 waterproof.

  • Works on bikes, scooters and helmets
  • Signals plus front/rear light in one unit
  • IPX7
  • Automatic brake flash needs the separate Lumos Remote
Position
Universal clip mounts
Control
App or bar Remote
Battery
Wireless charging, up to 96 h signals
Check price on Amazon
2Lezyne Saddle Ai Alert 250
Lezyne

Saddle Ai Alert 250

A rear light that watches your speed: accelerometer brake detection fires a 250-lumen burst when you slow hard, no wiring and no remote needed.

  • Brake flash is fully automatic
  • 270-degree visibility
  • IPX7
  • Rear only, no turn signals
Position
Saddle or seatpost
Control
Automatic brake detection
Battery
USB-C, 5-60 h
Check price on Amazon

How we pick

We do not lab-test this gear. These picks come from published manufacturer specifications, the certifications that carry real weight in each category, and what long-term owners report. Where a manufacturer does not publish a figure we leave it blank rather than estimate it, which is why some cells in the table read as a dash.

Badges are ours and reflect the trade-off each product wins on, not what any brand paid for. Placement is never sold. When we start testing gear hands-on, this section will say so and will name what changed.

As an Amazon Associate, we earn from qualifying purchases. Picks are chosen editorially; placement is never sold.