Sirris F43 Fork Suspension Upgrade For Sur-Ron Ultra Bee
- Lead Time: Ships in 5 Days
Unleash your true speed potential with the Sirris F43 Fork suspension upgrade for Sur-Ron Ultra Bee electric dirt bikes. Engineered with precision for e-moto, its purpose-tuned design and pressure-balanced architecture deliver unmatched responsiveness and control. Featuring 246mm of ultra-plush travel, the Sirris F43 Fork embodies the essence of genuine e-moto design for aggressive riding styles.
Choose your tune and customize your Sur-Ron Ultra Bee suspension with the ultimate fork upgrade and unlock a new level of performance.
Sirris F43 Fork Features
- Available Tunes: Trail | MX | SX | EBMX
- click "Tunes" tab above for details
- Fully Adjustable Compression, Rebound, And Preload
- Custom Spring Rates for All Riding Styles and Rider Sizes
- True Symmetrical Closed Cartridge Design For Balanced Performance
- Reliable Predictability + Fade-Free Responsiveness with Every Ride
- Hydraulic Bump Stop for Soft Landings at Max Stroke
- 246mm of Increased Travel (6mm more than stock) adds cushioning for aggressive riding
- Dual Oil Circuits for Maximum Damping Performance
- Cartridge Bodies / Outer Tubes Made from 7000 Series Aluminum for Max Strength
- Finished in Type 3 Hard Anodization for Scratch Resistance + Durability
- 43mm Hard-Chrome Stanchions + Wrap-Around Guards Maintain Optimal Performance
- High-Tensile, Lightweight Springs: 8.8 lbs (4 kg) per leg for standard config.
- Plug-And-Play Easy Installation - No Additional Mods or Parts Required
- Includes Dust Seal + Headset Bearing Already Installed on Steerer Tube
- Triple Clamps + Guards Perfectly Fit Sur-Ron Ultra Bee Fairing / Cable Routing
The Perfect Pair: Sirris R46 Rear Shock in addition to the Sirris F43 Fork together make the ultimate suspension package for Sur-Ron Ultra Bee. Pressure balanced. Fully adjustable. Optimized for E-Moto. Revolutionize your bike's potential with harmonized suspension performance, front and back.
True Symmetrical Closed Cartridge Design
Balanced Performance: The Sirris F43 Suspension Fork is engineered for balanced load, race-ready handling, and high performance. With its closed-cartridge suspension system, you can expect reliable predictability and fade-free responsiveness with every ride.
Hydraulic Bump Stop: Experience soft landings at max stroke with the F43 Fork, even during the most severe impacts.
Uncompromised Suspension Quality
Dual Oil Circuits for Optimum Performance: The damping system is optimized for maximum effectiveness by completely separating the lubrication and damping oils.
High-Quality Materials + Surface Treatment: All cartridge bodies and outer tubes are fabricated from high-strength 7000 series aluminum for maximum structural integrity. The F43 Fork is finished in type 3 hard anodization for scratch resistance and durability. Hard-chrome stanchions and wrap-around guards maintain optimal performance for the long haul.
Fully Tunable For Every Rider & Riding Style
Ultimate Front Suspension Tuning: Customize your front suspension performance with fully-tunable valving for compression and rebound. The spring rates of the Sirris F43 Fork suspension are matched to your weight and riding type. Easily adjust your setup for various terrains and ride types to enhance your overall riding experience.
- Adjustable compression, rebound, and preload
- Custom spring rates for all riding styles and rider sizes
Sirris F43 Fork Suspension Installation
Plug-And-Play: Upgrade your stock Sur-Ron Ultra Bee effortlessly with a direct-swap front suspension system. No additional modifications or parts are required. The Sirris F43 Fork includes a dust seal and headset bearing already installed on the steerer tube for quick and easy installation.
OEM Sur-Ron Ultra Bee Compatibility: The triple clamps and guards perfectly align with the Ultra Bee fairing and cable routing. Additionally, the Sirris Fork upgrade is compatible with the Ultra Bee stock display, fender, and brake as well.
5-Hour Break-In Period Recommendation: The Sirris F43 Fork will break-in during the first 5 hours of use with significant improvements in friction. We recommend that you don’t make significant changes to clicker positions or valving until after the 5-hour break-in period.