The Maxxis Forekaster 27.5 TPI Dual Compound Tyre. With the Forekaster on your bike, you can forget about the weather and hit the trails. Maxxis Forekaster 27.5 TPI Dual Compound Tyre Features Ideal for Wet and Mud With the Forekaster on your bike, you can forget about the weather and hit the trails Mid-height tread blocks are spaced evenly to allow penetration through loose trail conditions and openly for better mud-clearing compared to other race tires Wide cupped knobs down the middle provide excellent braking on the sloppiest singletrack When the leaves start falling and the weather becomes more unpredictable, the Forekaster is the late-season tire of choice