Intermediate rubber compound Aramid belts enhance high speed performance Large block type tread pattern with excellent braking, cornering and acceleration characteristics Specially designed tread grooves help to dissipate water efficiently on wet surfaces These motorcycle tires are tubeless These sport bike motorcycle tires are W rated for speeds up to 168 mph DOT approved Note: Tire size 240/40VR18 (Part# 369-874019) is V rated for speeds up to 149 mph. Available in the following motorcycle tire sizes: 160/60ZR17, 170/60ZR17, 180/55ZR17, 190/50ZR17, 200/50ZR17, 240/40VR18.