2025 NiteRider Sentinel™ 250 Bike Taillight with Laser Lanes image

2025 NiteRider Sentinel™ 250 Bike Taillight with Laser Lanes

NiteRider
Availability:
Most in stock items ship within 1-3 business days. Inventory updates frequently and may not reflect real-time stock. If your item is not available we will contact you and issue a prompt refund.
$59.99
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Weight:
2.00 LBS
Width:
10.00 (in)
Height:
10.00 (in)
Depth:
8.00 (in)
Current Stock:
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Description

The Sentinel™ keeps a watchful eye over the night projecting highly visible laser lines for your own personal bike lane, enhancing your safety immeasurably, while also giving you protection during the day with Daylight Visible Flash (DVF) technology.

Features

  • Lumen Output: 250
  • 7 Modes with Run Times: 5:00 – 45:00hrs
  • Charge Time: 3:00hrs
  • Weight: 116g
  • Battery: Li-Po | 3.7 Volts | 500 mAh | 1.85 Wh
  • Low Battery Indicator
  • Micro USB Rechargeable
  • 250 lumen Daylight Visible tail light with Laser Lanes
  • Water / Dust Resistant IP64 Rated

Fits a Range of Seat Post Diameters

Fits post diameter sizes ranging from 15.8mm - 31.6mm. 27.2mm is the most common seat post size.

Run Times*

  • Flash 1- *6:30h
  • Flash 2- *5:00h
  • High Steady- *8:00h
  • Low Steady- *45:00h
  • *No Lasers

Slow Flash Lasers- *14:00h

  • Fast Flash Lasers- *14:00h
  • Steady On Lasers- *7:00h
  • *Lasers Only

*Run Times are approximations and may vary

Niterider® Technical Lighting

Sentinel™ 250

Also features an innovative Group Ride Mode where you can be seen without distracting fellow cyclists' attention from the pavement or dirt. At 116 grams the USB rechargeable Sentinel meets all required FL1 Standards for impact testing and dust/water resistance. The easy on-and-off seat post strap with quick release tab makes the Sentinel convenient when you do need to give it a quick charge.

  • Optimal VIZ with Daylight Visible Flash (DVF)
  • A wearable safety light - clip onto various straps, belt loops, etc.
  • Highly visible laser lanes
  • All in one, Laser and tail light!
  • Convenient USB rechargeable
  • Group Ride Mode - be seen without distracting fellow cyclists
  • Easy on and off seat post strap mount with quick release tab
  • FL1 Standard IP64, dust and water-resistant

Power Management

Low Battery Indicator

  • When powering off, center circle will light up red indicating low battery

Robust yet lightweight

Product Weight

  • Taillight + Seat Post Strap Mount = 116 Grams

Feature Rich DVF TallLight

What's Included?

  • LED Tail Light w/ Laser Lanes
  • Seat Post Mount
  • USB Charging Cable

Adjustable Angle

Fine tune the direction of light as well as the Laser Lanes, getting themparallel to the left / right of the cyclist.

FL1 Standards Tested

TheSentinel™ 250 meets all required F1 Standards for accurate run times, lumen output testing and dust/water resistance.

USB Rechargeable

Convenient USBRechargeable minimizes the amount of battery waste.Charge time: 3:00h

Click for Sentinel™ 250 User Guide Spec Sheet