225/40R18 NEUTON NT8000 92W XL 320-AA-A Optimized ribs, blocks to reduce road noise and enhance traction and handling. Asymmetric tread design for excellent car handling. Contemporary sidewall design. Reinforced sidewall enhances road handling and drive responsiveness. Contemporary sidewall design and rim-flange-guard protects sport rims from side curb damage. Wide grooves. Four wide grooves provide anti-aquaplaning with excellent water drainage, ensuring superior performance on wet surfaces at high speed. Unique tread block sequence provides high traction, precise cornering and confident handling in wet and dry conditions. Lower noise emission five pitch variation for lower noise emission.