Fenix BC45R High-Performance Mountain Bike Light
The Fenix BC45R is a high-performance mountain bike light built to own the dark. A single SFT-40 LED paired with four SST12 LEDs throws 3,300 lumens up to 286 meters, with independent high-beam and low-beam systems you can run separately or together. A wireless bar-mounted remote fires instant Turbo and cycles modes without moving your hands off the grips, while the OLED display reads out mode, brightness, charging status, and exact battery percentage. Two replaceable ARB-L18-3400 18650 cells supply the runtime, and an inner-sealed USB-C port delivers 18W fast charging — empty to full in about 3.5 hours. The A6061-T6 aluminum body is IP66 sealed and rated to a 1.5-meter drop, and the quick-release mount with 22–35mm shims goes on and off the bars tool-free.
User manual
Specifications
| ANSI FL-1 RATING | ||||
| OUTPUT MODE |
OUTPUT LUMENS |
MAXIMUM RUNTIME |
MAXIMUM DISTANCE |
MAXIMUM INTENSITY |
| TURBO | 3,300 | 3h | 286 meters | 20486 cd |
| HIGH BEAM HIGH | 2,000 | 5h 15min | 269 meters | 18211 cd |
| HIGH BEAM MED | 800 | 6h 15min | 174 meters | 7651 cd |
| HIGH BEAM LOW | 200 | 16h 45min | 85 meters | 1820 cd |
| LOW BEAM HIGH | 1,500 | 5h 30min | 142 meters | 5049 cd |
| LOW BEAM MED | 800 | 6h 15min | 102 meters | 2617 cd |
| LOW BEAM LOW | 200 | 20h 15min | 50 meters | 629 cd |
| LOW BEAM ECO | 50 | 59h 9min | 25 meters | 157 cd |
| FLASH | 800 | |||
Features
- 3,300 maximum lumen output and 286-meter maximum beam distance.
- One SFT-40 cold white LED plus four SST12 cold white LEDs, each rated for a 50,000-hour lifespan.
- Independent high-beam and low-beam systems — run them separately or together from the light and the wireless remote.
- Wireless handlebar remote fires instant Turbo and switches modes without taking your hands off the grips.
- OLED display shows brightness level, mode, charging status, and battery percentage at a glance.
- Powered by two included, replaceable ARB-L18-3400 18650 batteries.
- Inner waterproof USB Type-C port with 18W (9V/2A) fast charging — about 3.5 hours from empty to full.
- Quick-release handlebar mount with shims for 22–35mm bars; tool-free to fit and remove.
- Durable A6061-T6 aluminum-alloy body.
- IP66-rated protection and 1.5-meter impact resistance.
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