Value bundle includes a 2 pack quantity of the Spank Spoon 32 Rims. Spoon 32 Rims feature a versatile, bombproof all-purpose design that�s ready to tackle the trails.BeadNip technology adds a second set of horizontal "Nips" (in addition to the standard, vertical hooks of rims) to provide additional security for tire beads. 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. The Manufacturer Spec ERD specification listed uses the less common �ERD+� method. ERD+ is the manufacturer listed diameter of the rim at the spoke nipple seat and does not account for the height of.