★These FRP mounts allow attachment of rollers in wider positions, contributing to sharper cornering and boosted stability. ★Contains two FRP mounts, 830 ball bearings, and small parts for attachment. Compatible Cars Super-1*1, Super-II, Super TZ*1, Super X, Super XX, Super TZ-X, VS, MA, MS & AR Chassis cars *Some rollers may require modification of chassis. *1Use with FRP plate from Item 15242.