Specialized 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.

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. Made in Morgan Hill, California — for serious riders who deserve the best.

Key Features

• Hybrid spherical lens and Fresnel lens over three high-power LEDs to send lumens for miles, or kilometres.
• Three CREE XBD 901 LEDs for maximum brightness and efficiency.
• Massive 1000mAh battery recharges via included micro USB cable in 2:15 hours.
• Overmolded bezel for excellent side visibility.
• Designed to fit round and D-shaped seatposts.
• Includes 3 different size EPDM o-rings to fit a wide variety of seatposts (2 o-rings per size for spares).
• IPX7 waterproof — built to perform even in the hardest rain.

Lighting Modes

• Steady High: 100 lumens for 3 hours
• Steady Low: 25 lumens for 12 hours
• Power Flash: 250 lumens for 8 hours