Continental Trail King Bike Tire 27.5 x 2.2 Do-it-all tread handles many terrain types and provides predictable cornering Revolution Tubeless Ready (RTR) system is comprised of Revo Sealant and ProTection tires (sealant sold separately) ProTection Apex and UST tires are produced in Germany using the latest Black Chili rubber compound ProTection models deliver low-pressure tubeless performance with improved damping, traction and rolling characteristics Defined Color: Black