Fenix TK21R Duty Flashlight
$134.95 - $135.00$159.90
Limited-Time Holiday Offer: Get a FREE Fenix T5 Pen (a $24.95 value) with your TK21R. Choose "TK21R + FREE T5 Pen" in black or blue ink above. Available through December 31, 2026, or while supplies last.
The Fenix TK21R is a genuine duty flashlight built for professionals who can't afford unreliable light. A Luminus SFT90 LED and Fenix's patented APF pulse-frequency transmission system combine for a powerful 3600-lumen output and a beam that reaches 480 meters with real consistency, not just raw numbers on a spec sheet. A dual tail switch puts Instant Burst and Instant Strobe one press away, ideal for momentary blinding or signaling when things move fast.
A hidden USB-C port recharges the included 6000mAh 21700 battery in just 1.5 hours, and a battery-level indicator means you're never caught off guard mid-shift. Rugged IP68 waterproofing, 1-meter drop resistance, and intelligent overheat protection keep the TK21R dependable through extended use — from tactical operations to night patrols, this is a light built for people who carry one every single day.
| Compare | OG3A | OG3 Pro Series | P30 | Lynx 16" BMX |
|---|---|---|---|---|
| Brakes | Disc Brakes | Disc Brakes | Disc Brakes with Gyro kit | 6061 aluminum U brake |
| Weight Rating* | 175lbs | 265lbs | 265lbs | N/A |
| Handle bars | 2 piece 4130 Chromoly | 4 piece 6061 Aluminum | 4 piece 6061 Aluminum | 4 piece 6061 Aluminum |
| Handle bar size | Small | Medium | Medium | Medium |
| Frame | Hi-ten steel | Hi-ten steel | Full 4130 Chromoly | Full 4130 Chromoly |
| Tires | Pro-Street, Pattern T04 | Pro-Street, Pattern T04 | Pro-Street, Pattern T04 | Pro-Street 16"x2.25 |
| Crank | One Piece hi-ten steel arms | 3 piece 4130 Chromoly | 3 piece 4130 Chromoly | 3 piece 4130 Chromoly |
| Stem | Premium 6061 Aluminum Top Load | Premium 6061 Aluminum Top Load | Premium 6061 Aluminum Top Load | Premium 6061 Aluminum Top Load |
| Head parts | Standard cup | Fully sealed bearings | Fully sealed bearings | Fully sealed bearings |
| Seat | One Piece FAT type | Pivotal | Pivotal | Pivotal |
| Chain | Traditional KMC Z410 | Traditional KMC Z410 | Traditional KMC Z410 or Half Link | Half link |
| Sprocket | 28t Hi-ten Steel | 28t forged aluminum | 28t forged aluminum | Guarded 25t, 7075 aluminum |
| Wheel | Cross Wheel ABS/Aluminum | Turbo Wheel Nylon/Aluminum | Turbo Wheel Nylon/Aluminum | Aluminum, 16x28H, double walled | * Tested on riders up to weight rating |