235 50R17 L-Zeal 56 100XLW Grenlander Tyre The Grenlander L-Zeal56 is a performance and high performance, depending on the speed rating of the specific tire size, all season tyre manufactured for passenger vehicles. The special tread block placement and continuous center ribs and the all season tyre compound work together to boost the year round performance. The tread designs optimized pattern firmly grips the road surface in dry, wet and winter weather, while the compound keeps its flexible traction throughout the year, including in cold temperature winter weather. The tread designs wide circumferential grooves prevent hydroplaning by dispersing water and slush from below the tires footprint. The better hydroplaning resistance and all season tire compound work together to increase the year round driving safety.