DXR's XRM RWD-Fiberglass reinforced competition race wheels. Strong, light, durable and TRUE, Machined RWD wheels for the serious racer who depends on uncompromised speed, durability, form and function. Available in: -1, (Negative 1mm), 0, (Zero offset), 1, (+1mm offset), 2, (+2mm offset), 3. (+3mm offset) made for adjustable custom Track width and custom staggered wheel combinations for optimum performance.