A directional tire with some micro knurling added for good measure we have the standard 210 size available with a 65psi rating and for all you big tire fans we made an extra large 230 size with dual tread compound also on the 230 size is the option to inflate to 100psi with a 4 ply casing which also doubles as a puncture resistant material folding bead and 60tpi casing keep things light but still maintain durability dual tread compound dtc for speed and cornering grip front and rea