NiteRider Sentinel 250 Taillight - Lazer Lane Lights | 250 lumens
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NiteRider Sentinel 250 Taillight - Lazer Lane Lights · 250 lumens
NiteRider Sentinel 250 Taillight - Lazer Lane Lights | 250 lumens
The NiteRider Sentinel 250 Taillight is built for cyclists who want more than just a blinking red light behind them. Read the overview
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Overview
What Makes the Sentinel 250 a Smart Taillight?
The NiteRider Sentinel 250 Taillight is built for cyclists who want more than just a blinking red light behind them. Its signature Lazer Lane technology projects highly visible laser lines onto the road surface, creating your own personal bike lane and giving drivers a clear visual boundary around you. With Daylight Visible Flash (DVF) technology, the Sentinel stays effective in bright conditions where standard taillights wash out completely. At just 116 grams, it meets all FL1 Standards for impact resistance and dust and water protection.
The Sentinel 250 includes an innovative Group Ride Mode that lets you remain visible to traffic without blasting disorienting flash patterns into the eyes of cyclists riding behind you. USB recharging keeps you off disposable batteries, and the easy on-and-off seat post strap with quick release tab makes swapping for a charge fast and painless. Whether you're commuting through traffic or rolling a pre-dawn group ride, the Sentinel 250 delivers next-level peace of mind in a compact, intelligent package.
All the specs
MPN 5089
- Output
- 250 lumens
- Technology
- Lazer Lane road projection, Daylight Visible Flash (DVF)
- Modes
- Multiple, including Group Ride Mode
- Weight
- 116g
- Charging
- USB rechargeable
- Standards
- FL1 rated for impact, dust, and water resistance
- Mount
- Seat post strap with quick release tab
Good questions
Get to know NiteRider
There's more to NiteRider than this one product. Our NiteRider page has the full NiteRider lineup we carry and more about the brand.
Visit the NiteRider page →What is Lazer Lane technology on the Sentinel 250?
Lazer Lane projects bright laser lines onto the road surface on either side of your bike, creating a visible personal bike lane that helps drivers gauge clearance distance when passing.
Can the Sentinel 250 be seen during daylight?
Yes. Daylight Visible Flash (DVF) technology produces flash patterns bright enough to be seen in full sun, making the Sentinel 250 effective as a safety light for both day and night riding.
What is Group Ride Mode and when should I use it?
Group Ride Mode keeps you visible to traffic and those behind you without projecting distracting flash patterns into the eyes of other cyclists. Use it anytime you are riding in a group, paceline, or organized event.
What riders say about the Lab
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