Specialized Flux 250R Rear Bike Taillight USB Rechargeable 250 Lumens
Specialized Flux 250R Rear Bike Taillight USB Rechargeable 250 Lumens
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Specialized Flux 250R Rear Taillight
250 Lumens | USB Rechargeable | Daytime Visible | IPX7 Waterproof
Ride with confidence day or night using the Specialized Flux 250R Rear Taillight. Designed for serious road cyclists, the Flux 250R produces an impressive 250 lumens and is visible from over 1 mile (1.5 km) away in bright daylight, helping motorists see you long before they reach you.
Featuring three high-output CREE XBD 901 LEDs, a hybrid spherical and Fresnel lens system, and a powerful 1000mAh rechargeable battery, the Flux 250R delivers exceptional visibility, long runtimes, and dependable performance in all weather conditions.
Maximum Daytime Visibility
Engineered to help riders stand out in the brightest daylight conditions.
Benefits include:
- Up to 250 lumens of output
- Visible from over 1 mile (1.5 km)
- Ideal for daytime road riding
- Excellent visibility in urban and rural environments
Ride with greater confidence knowing you'll be seen.
Advanced Optical Design
The Flux 250R uses premium optics to maximize light output where it matters most.
Features include:
- Hybrid spherical lens
- Fresnel lens technology
- Three high-output CREE XBD 901 LEDs
- Optimized beam pattern for long-distance visibility
Efficient optics provide outstanding brightness while maximizing battery life.
Multiple Lighting Modes
Choose the ideal balance of brightness and runtime for every ride.
Lighting Modes
- Steady High: 100 lumens — Up to 3 hours
- Steady Low: 25 lumens — Up to 12 hours
- Power Flash: 250 lumens — Up to 8 hours
Perfect for commuting, training rides, and high-visibility daytime cycling.
USB Rechargeable Convenience
A built-in 1000mAh lithium battery provides dependable runtime and quick charging.
Features include:
- USB rechargeable
- Includes Micro-USB charging cable
- Approximately 2 hours 15 minutes recharge time
Recharge quickly and get back on the road.
Secure Fit & Weather Protection
Designed to fit a wide variety of bicycles and riding conditions.
Features include:
- Fits round and D-shaped seatposts
- Includes three sizes of EPDM mounting O-rings
- Two O-rings included per size for spares
- Overmolded bezel improves side visibility
- IPX7 waterproof rating for dependable wet-weather performance
Built for year-round riding in all conditions.
Specifications
- Brand: Specialized
- Model: Flux 250R Rear Taillight
- MPN: 49120-2500
- Maximum Output: 250 Lumens
- LEDs: 3 × CREE XBD 901
- Battery Capacity: 1000mAh Rechargeable
- Charging Port: Micro-USB
- Recharge Time: Approximately 2 hours 15 minutes
- Waterproof Rating: IPX7
- Seatpost Compatibility: Round & D-Shaped
- Visibility Distance: Over 1 mile (1.5 km)
Lighting Modes
| Mode | Output | Runtime |
|---|---|---|
| Steady High | 100 Lumens | 3 Hours |
| Steady Low | 25 Lumens | 12 Hours |
| Power Flash | 250 Lumens | 8 Hours |
What's Included
- Specialized Flux 250R Rear Taillight
- Micro-USB Charging Cable
- Three Sizes of EPDM Mounting O-Rings
- Two O-Rings per Size (Spare Set Included)
Key Features
✔ Genuine Specialized Flux 250R rear bicycle taillight
✔ Powerful 250-lumen maximum output
✔ Visible from over 1 mile (1.5 km) in daylight
✔ Three high-efficiency CREE XBD 901 LEDs
✔ Hybrid spherical and Fresnel lens optics
✔ USB rechargeable 1000mAh battery
✔ Fits round and D-shaped seatposts
✔ IPX7 waterproof construction
✔ Enhanced side visibility with overmolded bezel
Ideal For
✔ Road cycling
✔ Daytime riding
✔ Commuting
✔ Endurance training
✔ Group rides
✔ Urban cycling
✔ All-weather riding
Why Choose the Specialized Flux 250R?
- Exceptional 250-lumen output helps motorists see you even in bright daylight
- Visible from over one mile away for increased rider safety
- Premium optical design maximizes brightness and efficiency
- Multiple lighting modes provide flexibility for any ride or condition
- Rechargeable 1000mAh battery delivers long runtimes with quick USB charging
- Genuine Specialized engineering with IPX7 waterproof protection and universal seatpost compatibility
The Specialized Flux 250R Rear Taillight is built for cyclists who demand maximum visibility without compromising performance or style. With its powerful 250-lumen output, advanced optics, long-lasting rechargeable battery, and weatherproof construction, it's an ideal safety upgrade for road cyclists, commuters, and anyone who rides in daylight or low-light conditions.