The ASR 4 is ASR's high-end SimRacing chassis with a 4.5" (120mm) aluminum base and reinforced steering column. Its 4.5" (120mm) aluminum base will give you more height and stability, ensuring optimal performance from the most powerful SimRacing peripherals. The ASR 4 is available in Matte Black (Powder Coat). ASR's proprietary powder coat formula is designed for extra durability, enhanced scratch protection and of course, the pristine look that will transform your simulator into a head-turning centerpiece. Made from top-grade alloy Aluminum sourced in the United States of America The extruded aluminum design will let you adjust and configure your simulator in multiple ways, ensuring that you will be comfortable for short and long SimRacing session. The included pedal plate is fully adjustable in height, angle, and mounting position on the chassis to help you achieve a comfortable position. Chassis size and format is adequate for most builds and heights (Up to 6'6" or 1.98m). SPECIFICATIONS Base composition : 4.5" x 1.5" Steering column composition : 4.5" x 1.5" Base length : 50" Base width : 22" Chassis height from rubber feet to tip of the steering column : 29" ASSEMBLY GUIDE The ASR 4 - "Flat Face" Extruded Aluminum Profile (Generation 2) assembly guide is available right here. Pro Wheel Deck assembly guide is available right here.