Hazard wheels are made in the USA by Madness Skateboards. CP "City Park" Formula, Conical Surelock Shape. City Park formula featres is the highest rebound forumal for maximum speed; Exceptional control formulated to grip when needed and slides on command; fastest, most responsive on all surfaces; most durable urethane ever. The Conical Surelock shape features a higher profile, flattened inside edge to lock into grinds perfectly; Medium width for unpararlleled stability and control. Measures 54mm x 33mm with a 21.5mm riding surface. 101A.