F43 MX Tune | Tool Free LSC | 260 mm Travel | Surron Ultra Bee 1.2

MORE TRAVEL. MORE PERFORMANCE. Now featuring 260mm of travel, tool-free LSC adjustment, Torx fasteners, and updated graphics. MX Tune is purpose-built for motocross performance. Its race-focused setup delivers the balance, control, and bottoming resistance needed to charge through big jumps, hammer whoops, and attack fast corners at race pace. RIDER WEIGHT SPECS: Sirris offers five weight ranges to choose from when selecting your Trail Tune F43 fork. (Listed weight ranges are rider weight without riding gear on. 15 pounds of riding gear is calculated into the weight ranges) < 160 lbs (Light = 4.4/4.4 springs) 160-200 lbs (Medium = 5.0/4.8 springs) 200-240 lbs (Heavy = 5.4/5.0 springs) 240-280 lbs (X Heavy = 5.4/5.4 springs) > 280 lbs (XX Heavy = 5.4/5.4 springs) Fork spring rates listed above are left side/right side. FORK SPECS: Architecture Upside down fork with symmetrical and adjustable pressurized closed cartridge dampers Travel 260 mm Free length 856 mm Fork weight, includes clamps and steerer 22 lbs / 10kg Stanchions Ø43, high tensile steel with hard chrome Outer tubes Seamless 7050 aluminum, type 3 hard anodized coating Drop outs Forged 6061 aluminum, type 3 hard anodized coating Brake mounting Sized for stock Ultra Bee calipers and 240mm rotors Triple clamps Forged 6061 aluminum, type 3 hard anodized coating Steer tube Seamless 7050 aluminum, type 2 anodized coating Damping • MX tune • Symmetrical and adjustable closed cartridge with spring backed IFP • High-flow pistons and fully tunable compression and rebound valving • Dual oil circuits for optimum performance. Separate oil circuits deliver optimized damping and lubrication performance. • Balanced, race-ready, high performance. No matter how hard you ride or how many laps you put in, Sirris closed-cartridge forks deliver consistent, fade-resistant performance and predictable handling lap after lap. • The hydraulic bump stop system provides progressive bottom-out control, delivering softer landings and maximum usable travel, even under the most aggressive impacts. Damper bodies Race-grade internals: Seamless 7050 aluminum, type 3 hard anodized coating providing high durability to keep your ride in top condition. Spring Dual side high tensile steel spring, adjustable preload Adjusters External tool-free compression, rebound adjustment (rebound adjusted tooled to ensure durability in the harshest environments) Seals NOK Heavy Duty seals Bushings Premium Daido bushings (Custom Sirris proprietary design) Guards High impact PP, 210-degree wraparound