Powerdyne rival aluminium quad skate plateplease note the rival has now been replaced by the powerdyne reactor neo plate and as such only limited sizes are availabledurable responsive and lightweight the all new rival from powerdyne has been engineered from start to finish by skaters whow know what a plate needs to perform the rival is built from extruded aircraft aluminum with an exclusive solid support beam that offers unmatched durability and rigidity for the reactor inspired platform e