Continental Trinotal Tire - 29 x 2.40 Tubeless Folding BLK/Transparent Rapid Race Casing E25Continental Trinotal Tire 29 x 2. 40 Tubeless Folding Black Transparent Rapid Race Casing E25. The Trinotal is a truly versatile tire designed to be ridden on hard and light mixed soils whether dry or damp. Trinotal supersedes its predecessor the popular Cross King tire. Conquer the varied challenges of modern cross country and down country riding. Deisigned to dominate on mixed and loose terrain Hookless compatible Tubeless ready design allows the