Introducing Sirris Suspension: Elevate Your E-Moto Experience
Precision Engineering | Durability | Race-Ready
Sirris Suspension is revolutionizing E-Moto performance. Specifically engineered for electric motorcycles, our suspension products deliver unmatched precision and durability. Coming Fall 2024, our fork and shock systems for the Surron Ultra Bee will be available. Stay tuned for other E-Moto models, including Dust, soon to be equipped with Sirris Suspension.
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The F43 Front Fork
Super responsive, purpose-tuned, and pressure-balanced, the F43 front fork offers 246 mm of ultra-plush travel. Built with a true moto architecture, it is designed for aggressive riding and can be fully customized to your preferences.
The Perfect Pair: The R46 Rear Shock
Pressure balanced and fully adjustable, the R46 rear shock is optimized for E-Moto, offering harmonized suspension performance both front and back. This ultimate suspension package will revolutionize your bike's potential.
True Symmetrical Closed Cartridge F43 Fork
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Balanced Performance: Designed for high-performance, race-ready durability. No matter how intense your ride, the closed cartridge ensures consistent, fade-free performance.
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Hydraulic Bump Stop: Provides a smooth landing even during the most aggressive impacts.
No Compromises: Dual Oil Circuits for Optimal Performance
Sirris Suspension features separate lubrication and damping oils, enabling optimal damping performance without compromise.
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High-Quality Materials & Surface Treatments: Made with 7000 series aluminum and finished with type 3 hard anodization, these components are built for maximum strength and durability. Chrome stanchions and wrap-around guards ensure long-lasting performance.
Every Rider, Every Riding Style
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Ultimate Suspension Tuning: Fully customizable compression, rebound, and spring rates, tailored to rider weight and style. Adapt your suspension setup for different riding experiences.
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Plug-and-Play: A direct swap for the stock Ultra Bee, with no additional modifications required. Comes pre-installed with a dust seal and headset bearing for a quick install.
R46 Rear Shock: Exceptional Responsiveness
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Dual Speed Compression (DSC): Offers a broad adjustment range, providing superior control over both high-speed and low-speed circuits.
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Built to Last: The R46 features a type 3 hard-anodized finish and induction heat-treated, hard-chrome hollow shafts, ensuring it looks new even after thousands of miles.
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Lightweight Design: Weighs just 3.9 lbs (1.76 kg) plus the spring.
F43 Fork Specifications
- 43MM USD, 856MM X 246MM, 25MM OFFSET, Surron Ultra Bee Spec
Key Features
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Architecture: Upside-down fork
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Travel: 246 mm
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Weight: 22 lbs / 10 kg (including clamps and steerer)
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Stanchions: Chrome-plated steel
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Outer Tubes: Seamless 7050 aluminum with type 3 hard anodized coating
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Triple Clamps: Forged 6061 aluminum with type 3 hard anodized coating
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Damping: Symmetrical, adjustable closed cartridge
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Adjusters: External compression and rebound
R46 Shock Specifications
- 46MM Piston, 320MM X 85MM, Surron Ultra Bee Spec
Key Features
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Architecture: Piggyback, steel spring
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Stroke: 85 mm
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Length: 320 mm
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Weight: 3.9 lbs / 1.76 kg without spring
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Piston: High-flow Ø46 mm CNC 6061 billet aluminum with type 3 hard anodized coating
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Damping: Tunable compression and rebound
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Reservoir: Pressurized with a floating piston
