Description
Transform your front-end performance with the GP30 fork internal cartridge kit, a race-bred upgrade engineered to fit any modern upside-down fork. Developed to meet the demanding standards of professional racing in the British Superbikes and the Isle of Man TT—and trusted by top-tier riders—the GP30 brings championship-level technology directly to your motorcycle.
Every kit is custom-built to order at the Maxton facility. The cartridges are meticulously valved and paired with bespoke Silicon Chrome springs matched precisely to your individual rider weight, bike model, and intended use.
Key Features & Specifications
• 30mm Piston Design: Engineered to deliver significantly improved damping performance, greater front-end feel, and support under heavy braking.
• 8mm piston rods: allowing better low speed movement, Increasing mid corner feel.
• Precision Adjustability: Offers a finer and wider range of adjustment for rebound damping, compression damping, and spring preload compared to standard cartridges.
• Positive Click Adjusters: Both rebound and compression adjusters feature tactile clicks for straightforward, user-friendly tuning.
• Billet Alloy Construction: CNC-machined in-house from high-grade 6082 and 7075 alloy, with all components hard-anodized for exceptional durability and wear resistance.
• Dual-Checked Silicon Chrome Springs: Custom-spec springs are rate-checked twice—first by the manufacturer, then verified by Maxton engineers.
• Flexible Installation: Available for direct customer installation (supplied with recommended oil, air gap, full tool set, and instructions) or professionally installed by Maxton technicians, backed by expert technical support.
The GP30 cartridge kit is the ultimate front-end solution for riders demanding maximum feedback, precision control, and race-winning performance.







