Conversion set for T4'20 to transform it on T4'21 Graphite edition. Includes all necessary parts particularly graphite chassis, graphite top deck, body upstops & battery pack adj. width plates, composite 4 c-hubs for body upstops, composite bumper top owner brace, composite adj. battery holders & backstops, springs, ECS drive shafts 52mm, aluminum steering plate 8mm, aluminum belt tensioner, aluminum motor mount, aluminum chassis brace, aluminum rear suspension, holders with centering pin, steel solid drive shafts alongside components.