Snot Curb Killer Conical 52mm 99a Skateboard Wheels - White The Snot Curb Killer Conical 52mm 99a Skateboard Wheels combine a compact diameter with a versatile conical profile for street and park skating. The 52mm size keeps your setup quick and responsive for technical tricks, while the 99a durometer provides a firm feel with a balance of grip and predictable slide. The conical shape puts a solid footprint under the board for confident control on smooth skate surfaces. Finished in classic white. Details Diameter: 52mm Durometer: 99a Shape: Conical profile Use: Street and park skateboarding Color: White Quantity: Set of 4 skateboard wheels