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Flux 250R Taillight

Serious road riders put in serious miles. Most of those miles occur in the daytime, when bright ambient conditions mean you need huge lumens numbers to be seen by motorists.

But there's no reason a super-bright taillight can't look the part on the fastest road bikes. You invest in the best road bike technology--you deserve an equally fast taillight.

Packing a huge punch with 250 lumens, the Flux 250R taillight is visible at more than 1 mile (1.5 km) in the brightest daytime conditions. Here in Morgan Hill, California we get those conditions all the time—this is the taillight we made for ourselves, and for you.

Rider Reviews

  • 4.7
  • 25 Reviews

I always get complimented by

I always get complimented by how visible my taillight is by my riding buddies - very visible from afar!

Would Recommend?
Yes!

Verified Buyer

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Name:
Jenny B.

Helpful?

Fine light; poor battery

Tons of lumens, easy use, lightweight, and good fit against the flat backside of my Tarmac's seatpost. But 8 hrs' battery in power flash mode? Never. More like 3-4 hours. I charge it after every ride after ending too many rides unsafely. My Cygolite Hypershot has more lumens, half the price, and lasts far longer. It doesn't fit the Tarmac seatpost but does prove that this little one is overpriced.


Name:
Andrew

Helpful?

Super bright - Perfect for day road rides

I had a friend tell me that they could see this light - and me, which is what it's all about - a mile away on a long, sweeping downhill. It's bright! I'd say it's "Impossible to miss" but I lack that hubris in these days of distracted drivers.

Would Recommend?
Yes!

Verified Buyer

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Name:
Chris T.

Helpful?

The brightest light you will ever find; perfect for daytime use.

On full brightness this light is super-bright!! Brighter than any other light I have seen or used (which includes the Bontrager lights and Garmin lights). If you are looking for a light to use during the day, this is it. Battery life at full brightness using the blink mode only lasts me for two rides, though (rides average about 40-50 miles each). I don't like that I must remove the light to charge it.

Would Recommend?
Yes!

Verified Buyer

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Name:
Jon L.

Helpful?

Flux 250R Taillight

GREAT!

Would Recommend?
Yes!

Verified Buyer

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Name:
Jeffrey E.

Helpful?

Fabulous light.

Fabulous light. Battery lasts forever. Super bright. My boyfriend who is a long-term road biker is jealous of my sweet taillight! He has several different models and they never last even half as long as this bad boy.

Would Recommend?
Yes!

Verified Buyer

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Name:
Megan W.

Helpful?

Great Rear Light

Great rear light...VERY bright, easy attachment to seat post, streamlined appearance !!

Would Recommend?
Yes!

Verified Buyer

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Name:
Dean K.

Helpful?

Bright

Bright

Would Recommend?
Yes!

Verified Buyer

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Name:
Shane H.

Helpful?

BEST BIKE LIGHTS

best one so far.. long lasting bike lights worth $$

Would Recommend?
Yes!

Verified Buyer

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Name:
KIRK J.

Helpful?

The light is amazing. The

The light is amazing. The best one for day use I ever had. The duration of the battery is very good and the blinking options are very suitable for day and night. The only thing to take care is the charger port cover. You need to keep very well closed, and use a strong rubber to keep tight (seatpost and rubber cover.

Would Recommend?
Yes!

Verified Buyer

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Name:
Vinicius M.

Helpful?