Sirris F43 Closed-Cartridge Fork | Surron Ultra Bee

TRUE CLOSED-CARTRIDGE FRONT SUSPENSION FOR THE SURRON ULTRA BEE.

The Sirris F43 Closed-Cartridge Fork is built for Ultra Bee riders who want sharper front-end control, stronger confidence, and real E-Moto suspension performance.

This is not a basic stock replacement. The F43 is a premium front fork upgrade with 246 mm of ultra-plush travel, pressure-balanced damping, and true moto-style architecture built for aggressive riding, cleaner landings, and predictable control when the terrain gets rough.

PRECISION PARTS - BUILT FOR HARD RIDING - RACE READY

⚡ HIGHLIGHTS

Closed-Cartridge F43 Design
Symmetrical closed-cartridge damping helps deliver balanced, predictable front suspension performance under hard riding.

246 mm Ultra-Plush Travel
Built to absorb aggressive impacts while keeping the front end controlled, planted, and ready for rough terrain.

Pressure-Balanced Performance
Designed to stay responsive and consistent through repeated hits, fast sections, and aggressive riding conditions.

Hydraulic Bump Stop
Helps soften harsh bottom-out impacts at max stroke for cleaner landings and better control.

Dual Oil Circuit System
Separate lubrication and damping oil circuits help optimize suspension performance without compromise.

Fully Tunable Setup
Compression, rebound, valving, and spring-rate options allow the fork to be matched to rider weight, terrain, and riding style.

Premium Materials
Built with 7050 aluminum outer tubes, hard-anodized coatings, chrome-plated steel stanchions, forged aluminum components, and high-impact wraparound guards.

Plug-and-Play Ultra Bee Fitment
Designed as a direct front fork upgrade for the stock Surron Ultra Bee with no required modifications on a stock setup.

🔧 FITMENT

Compatible with: Surron Ultra Bee

Fork configuration:
43 mm USD front fork
856 mm free length
246 mm travel
25 mm offset
Ø43 chrome-plated steel stanchions
Symmetrical adjustable closed-cartridge damping
External compression and rebound adjustment
High-impact 210-degree wraparound guards

Verify fitment before ordering if your bike has aftermarket triple clamps, front wheel, brake setup, fairing, cable routing, or front end modifications.

📦 WHAT’S INCLUDED

Sirris F43 front fork assembly for Surron Ultra Bee

MTN MOTO VALUE

At MTN MotoWorks, we bring riders upgrades that actually change the bike. The Sirris F43 Fork is for Ultra Bee riders who want a stronger front end, sharper control, cleaner landings, and suspension that can keep up when stock performance is no longer enough.

Where Performance Meets Passion™