Features: Machined carbon fiber wheel faceCNC machined aluminum rear ring and hub, black CNC machined black clamp ringHigh clearance inner wheel opening, Rapid fast tire changes with 6/3 screwsMore offset optional can be achieved by changing Material:Wheel Face: Carbon FiberClamp Ring: PlasticRear Ring: Aluminum AlloyHub: Aluminum AlloySpecification:Size: 1.9 InchOuter Diameter: 58.5mmInside Diameter: 47mmWidth: 27mmCenter Hole: 7mmDrive Hex: 12mmOffset: +0.35mmStyle: D-round holeColor: As ShownMaterial: Aluminum +carbon fiberPackage Contents:4 x Wheel Rim for RC carOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.