GSI GT 300 mm Wheel Rim

GSI GT 300 mm Wheel Rim – Alloy-Core GT Rim for the Interlock System The GSI GT 300 mm Wheel Rim is a 300mm GT-shaped sim racing wheel rim engineered on a rigid alloy core, designed to provide a stable platform for precise control and accurate force feedback response. Its motorsport-inspired shape supports natural ergonomics, making it well-suited for long sessions and consistent performance. Built around a 70mm PCD bolt pattern for broad compatibility, the GT 300 works seamlessly with the GSI Interlock system as well as most sim racing button boxes, and features a 55mm horn cutout for LED Matrix compatibility. Available in Perforated or Suede finish, with an optional LED Matrix center. Main Features Rigid alloy core — stable platform for precise control and detailed, accurate force feedback response Motorsport-inspired GT shape — natural ergonomics for comfort and consistency over long sessions 70mm PCD bolt pattern — broad compatibility with the GSI Interlock system and most sim racing button boxes 55mm horn cutout — designed for LED Matrix compatibility Comfortable and ergonomic shape — supports a natural hand position Two material options — Perforated or Suede finish to match your preference Optional LED Matrix center — for telemetry and shift information (Interlock Base Module required) Technical Specifications Product: GSI GT 300 mm Wheel Rim Diameter: 300mm Shape: GT Core: Rigid alloy Bolt Pattern: 70mm PCD Horn Cutout: 55mm (LED Matrix compatible) Material Options: Perforated / Suede Center Options: None / LED Matrix What's in the Box 1x GSI GT 300 mm Wheel Rim (in the selected material and center configuration) Mounting hardware Compatibility GSI Interlock system Sim racing button boxes using a 70mm PCD bolt pattern LED Matrix center — requires the GSI Interlock Base Module (sold separately) Important Note The Interlock Base Module is required for LED Matrix compatibility. Frequently Asked Questions What bolt pattern does the GSI GT 300 mm Wheel Rim use? The GT 300 mm Wheel Rim uses a 70mm PCD bolt pattern, giving it broad compatibility with the GSI Interlock system and most sim racing button boxes. What materials is the GSI GT 300 mm Wheel Rim available in? It is available in two finishes: Perforated and Suede. Both are built on the same rigid alloy core. Can I add an LED Matrix to the GSI GT 300 mm Wheel Rim? Yes. The rim offers an optional LED Matrix center and features a 55mm horn cutout for LED Matrix compatibility. The GSI Interlock Base Module is required for the LED Matrix to work. Is the GSI GT 300 mm Wheel Rim compatible with non-GSI button boxes? Yes. As long as your button box uses a 70mm PCD bolt pattern, the GT 300 mm Wheel Rim will fit. It also integrates directly with the GSI Interlock system. What size is the GSI GT 300 mm Wheel Rim? It is a 300mm diameter GT-shaped rim, a popular size for GT and endurance racing that balances precision and comfort.