Metzeler Block K has a flat profile that is designed for vintage sidecar use. The Metzeler Block K motorcycle tire is a tube-type tire, and it has a good grip for both wet and dry conditions. It also has high skid resistance. Metzeler Block K is P rated for speeds of up to 93 mph. It also has specific tread design and groove geometry to allow consistent performance, water drainage, and very high mileage. Block K has a tire contour with a curvature that enables high precision in handling and setting trajectories. Block K tires are available for you in sizes 4.00 - 18.