Aluminum Servo Holders & Graphite Bridge reinforces the leading part of the vehicle. Direct replacement standard composite servo holders. Fits all XB2, XT2 and SCX. • Stiffer servo holder decreases framework tweak • Reinforces leading an element of the automobile • More dependable servo mounting • Direct alternative to composite parts • XB2, XT2, SCX #326201 Aluminum Servo Holders & Graphite Bridge