Metzeler Karoo 3 Rear Tire (140/80-17 TT) The best new Enduro On / Off tire for your off-road adventures. A new concept of for adventure and enduro on / off tires dedicated to off-road expeditions, that feature both off-road traction and on-road stability with an excellent mileage. Improved off-road traction and handling. Increased mileage over its predecessor. Cutting edge tread design lends to improved performance.