Open tubular clincher an open tubular is constructed using the same casing and tread materials and process as a tubular but instead of sewing the casing together closed the sides of the tubular casing are folded around aramid fibre cords to produce beads this open design performs like a tubular yet conveniently mounts like a standard clincher tyre if combined with a latex inner tube the ride becomes even closer to that of a tubular offering excellent traction and cornering low roll