Michelin Primacy S1 – 225/45 R21 95W TL is a premium road tyre designed for modern passenger vehicles requiring high levels of comfort, stability, and efficiency. It features an optimised touring tread pattern with well-distributed circumferential grooves that support controlled water evacuation and dependable wet-road braking performance. The tread compound is engineered to reduce rolling resistance while maintaining consistent grip and uniform wear characteristics. Noise-optimised tread block geometry contributes to a smooth and quiet driving experience, making it suitable for daily commuting and long-distance travel. With a 95W load and speed rating and tubeless construction, the Primacy S1 delivers reliable performance for large-diameter wheel applications.