Michelin Pilot Sport 4 S – 265/35 ZR21 (101Y) XL TL is an Ultra High Performance summer tyre engineered for high-powered passenger vehicles that demand maximum dry grip, precise steering response, and dependable wet-road stability. It utilises an advanced asymmetric tread design with wide circumferential grooves to ensure rapid water evacuation and consistent wet braking performance. A dual-compound tread layout enhances dry cornering grip on the outer shoulder while maintaining reliable wet traction on the inner tread area. Michelin’s Dynamic Response belt technology delivers highly accurate steering feedback and a stable contact patch at very high speeds. With a certified (Y) speed rating and reinforced XL construction, the Pilot Sport 4 S provides confident high-speed control, strong braking performance, and durability for aggressive road driving on large-diameter wheels.