Forgeline AL Series wheels represent an exciting evolution in Forgeline wheel design and are engineered specifically for the high-performance modern supercar. AL Series models are custom made-to-order three piece modular wheels comprised of precision-machined forged 6061-T6 aluminum centers, 6061-T6 aluminum rim shells, and stepped-lip outers. They are available in 18", 19", 20", and 21" diameters, each uniquely engineered for modern exotic sport and luxury vehicle applications.