The F43 fork — Super responsive. Purpose-tuned. Pressure balanced. With 246 mm of ultra plush travel, its true moto architecture is made for the most aggressive riding and we tune it to your exact specifications.
Plug & Play Installation: The F43 fork seamlessly integrates with the Surron Ultra Bee’s OEM front end setup, factory compatibility with the OEM display, fender, and brake caliper. This is a direct swap for the stock Ultra Bee, with pre-installed dust seal and headset bearing. Designed to fit directly with the Ultra Bee fairing and cable routing. No additional modifications required.
Enhanced Front End: 43mm stanchions and robust upper fork tubes provide significant improvement in stability and strength, while maintaining the bike’s turning radius.
Increased Travel: 246mm of travel, 6mm more than stock, offers extra cushioning, particularly beneficial for aggressive riding.
Hydraulic Bump Stop: Smoothly handles even the most forceful impacts at maximum stroke, ensuring soft landings.
True Symmetrical Closed Cartridge: Ensures balanced load distribution and consistent performance, resistant to fade for predictable handling after extensive use. No matter how hard you ride or how many laps you take, closed cartridge will never fade and will always feel predictable.
Dual Oil Circuits: Separate lubrication and damping oils optimize damping performance without compromise.
High-Quality Materials: Made from 7000 series aluminum with Type 3 hard anodizing for strength and scratch resistance. Hard chrome stanchions and wrap-around guards extend performance lifespan.
Ultimate Suspension Tuning: Fully tunable valving for compression and rebound, with spring rates adjustable to your weight and riding style for a tailored suspension setup.
Lightweight: Each leg weighs only 8.8 lbs (4 kg), offering a powerful yet lightweight upgrade.
F43 Fork Specifications
Fork Diameter: 43mm USD
Length: 856mm
Travel: 246mm
Offset: 25mm
Compatibility: Surron Ultra Bee
Architecture
Upside down fork
Travel
246 mm
Free length
856 mm
Fork weight, incl clamps and steerer
22 lbs / 10kg
Stanchions
Ø43, chrome-plated steel
Outer tubes
Seamless 7050 aluminum, type 3 hard anodized coating
Drop outs
Forged 6061 aluminum, type 3 hard anodized coating
Triple clamps
Forged 6061 aluminum, type 3 hard anodized coating
Steer tube
Seamless 7050 aluminum, type 2 anodized coating
Damping
Symmetrical, adjustable closed cartridge with spring backed IFP
Damper bodies
Seamless 7050 aluminum, type 3 hard anodized coating
We highly recommend pairing your F43 Fork with the Sirris R46 Shock. Pressure balanced. Fully adjustable. Optimized for E-Moto. Revolutionize your bike's potential with harmonized suspension performance front and back. The ultimate suspension package is here.
PLEASE NOTE THE FOLLOWING INFO WHEN SELECTING YOUR FORK SETTINGS:
Rider Weight: Please indicate rider weight without gear.
Type of Riding: Please indicate the terrain you ride your Ultra Bee (MX, Singletrack,Desert, etc.)
Plug-and-play Direct swap, no other modifications or additional parts needed to upgrade a stock Ultra Bee. Comes with dust seal and headset bearing installed on steerer tube for quick install. Triple clamps and guards fit directly with Ultra Bee fairing and cable routing. Compression, rebound, and preload adjust. Custom spring rates for all riding styles and rider sizes. High tensile lightweight springs. Weighs only 8.8 lbs (4 kg) per leg (standard configuration spring)
"I got tracking for the warp9 rear wheel already. I’m so thankful! Can’t say thank you enough for all your help and for answering my questions so thoroughly.
The entire experience of doing business with you has been incredible. I honestly don’t remember the last time I received such great support from any company in any industry. I will most definitely be ordering from you in the future. Thank you so much!
-Caleb M.
"Your YouTube channel was essential for me learning about the Ultra Bee...The in-depth spec coverage, riding tests, range tests and upgrade reviews are great. Really good editing of the videos, too. Watching Tucker's riding, the footage is great and when you see a guy shred on these bikes, it gives you a really good feel for what these things are capable of... and makes me trust your guys' opinions. Keep up the good work!"
