Spank Spike Race 33 Rim - 26", Disc, Black, 32HSpike Race 33 Rim Bead Bite ridges add friction to the bead rim interface to decrease tire burping The Oohbah profile acts like corrugated steel to the prevent folding rims and adds rigidity for sharper handling Due to the Oohbah profile, which is convex, Spank Fratelli Industries tubeless tape is recommended as it holds that contour better than many other tubeless tape Dynamal alloy used in the extrusion has high tensile strength and yield without