PRS1 Bronze Front BumperPRS1 Bronze Front Bumper.. Bronze front bumper: "The new bronze feont bumper adds nose weight to balance your RM buggy. more steering and even better acceleration is possible. The added front weight reduces wheelies and increases overall forward drive of the RM buggy. The V4R can also take advantage of the added front weight when your balance is on the tighter side but still need maximum steering in slower turns. *Check with your rules body for