The Metzeler Racetec RR K1 is a competition-focused tire engineered for demanding track use and is also road legal. It is designed for racers and serious track day enthusiasts who prioritize maximum grip and performance. The Racetec RR K1 is part of the Racetec RR family, which has earned its reputation on international road racing circuits, including the Isle of Man TT.
The K1 compound signifies this tire as the softest option in the Racetec RR range. This super-soft compound is formulated to deliver exceptional grip levels in a variety of conditions. The tire is known for its quick warm-up and consistent performance, providing riders with confidence-inspiring feedback. The Racetec RR K1 features a composite structure that enhances stability and precision at high speeds. This is achieved through a differentiated construction between the crown and the sides of the carcass, allowing the tire to effectively absorb asphalt imperfections.
Compared to other tires in its class, the Racetec RR K1 offers a balance of outright grip and durability. While it may not last as long as harder compound tires, it provides a competitive edge for racers seeking maximum performance. The tread pattern is designed to maximize the contact patch, ensuring optimal grip and water evacuation for road use. The dual-compound design on the rear tires features a highly conductive center strip, which supports the shoulder compound and warms it up during long straights by redistributing the heat generated to the shoulders, maintaining them in the operative temperature and ensuring grip when going into lean. The Racetec RR K1 is a tire that delivers race-winning performance and consistent results for experienced riders.
