New hybrid hard enduro / extreme single track trail tire finds traction in the most extreme conditions - it's almost like cheating! Perfect for hard terrain! Best of both worlds, soft sticky rubber compound like the Trail Pro trials tire in a knobby tread pattern to work in a wider variety of soil conditions. Where a Trials tire falls short in braking and lose soil conditions, the 505 "Cheater" bridges that gap to make it the ultimate hybrid off-road tire. Adds confidence even in the most demanding terrain. Tire Specifications: Load / speed index: 68M. Recommended rim (inches): 2.75. Overall diameter (inches): 27.44. Overall width (inches): 4.69. Maximum PSI: 33. Construction: Bias / tube type (T/T).