The Runway Enduro HP XL tyre is designed for maximum speeds of up to 168 mph, with a tread depth of 7.8mm. With a load index of 101 and a tyre width of 225, this tyre is suitable for vehicles with a rim diameter of 17. The XL markings indicate that this tyre is reinforced for enhanced durability and performance, making it an ideal choice for those looking for a high-quality tyre for their vehicle.