Cusco 311 261 C D1 4-Point Chromoly Roll Cage

The Cusco 311 261 C D1 Roll Cage is a competition-grade 4-point chromoly roll cage engineered for drivers who demand both safety and performance. Built from 40mm outer diameter chromoly steel tubing with a 1.6mm wall thickness, this cage delivers exceptional structural integrity while weighing approximately 33% less than comparable mild steel roll cages.

Cusco's D1 Roll Cage series is developed from decades of motorsport experience in rally, circuit racing, time attack, and gymkhana competition. The bar layout is refined through real-world track feedback to maximize chassis rigidity and occupant protection without unnecessary bulk.

Key Features:

• 40mm OD chromoly steel tubing with 1.6mm wall thickness for high strength-to-weight performance
• 4-point configuration supporting 2 to 4 passengers
• Approximately 33% lighter than equivalent mild steel roll cage designs
• High-strength, ultra-lightweight connection joints engineered to maintain rigidity at critical stress points
• Increases chassis and body rigidity, improving handling and structural stiffness
• Finished in Cusco Blue powder coat
• Note: Not compatible with sunroof or moonroof-equipped vehicles
• Note: Chromoly roll cages may not be permitted in all sanctioned motorsport competitions — verify with your governing body prior to purchase

Cusco is a Japan-based performance manufacturer and ISO 9001-certified company with a long heritage in motorsport. The 311 261 C is a direct-fit, bolt-on roll cage designed to deliver race-proven protection and measurable chassis benefits for track and street-driven builds alike.