Tires Challenge, Cycling, Outdoor Recreation, Sports & Outdoors, Tires & Tubes Challenge Limus Cross Open Tubular (Clincher) Tire (Black/Brown, 33-mm) Review by Coyotea July 25, 2018 No Comments This fits your . Make sure this fits by entering your model number. Deeper 33mm knobs for increased traction in deep mud. Speed and max traction all in one Open Tubular (clincher) -260tpi-340gr-30-90psi x