Aluminum. Rear. Black anodized with a contrast machined finish. ECE and DOT approved. Precision is done by the CNC machine working on billet aluminum, the operater adds the creative touch. It all comes together in this 3-1 combo that offers smoke injection molded polycarbonate lenses with red taillight and brakelight with amber turn signals / running lights that are all highly visible. The perfect and clean lighting option for a custom bagger that shows the owners good Taste with a big T.