Revolution Design B7 Slipper Eliminator Set (Fits RDRP and Kimbrough Spur Gears) SP1 SP1 F 7mm standard body weighs in 7mm standard body weighs in at about 75g cut & including wing– Detailed decal sheet– 2 step window masks– Wing mounting hardware– 100mm grid on the rear truck lid for easy and convenient body mounting– Designed to meet GBS rules We have noticed that the new Matrix D36 in particular needs a lot of heat to function optimally The Revolution Design Racing Products (RDRP) B7 Slipper Eliminator Set (RDRP0647) is the ideal solution for any stock racer seeking low rotating mass and an efficient drivetrain The spur gear carrier is made from black anodized aluminum with silver details that match the popular style of many tuning parts