FSA AGX Disc Wheelset: Superior Gravel Performance The FSA AGX Disco Wheelset is the ultimate choice for gravel adventurers, offering an unmatched combination of durability, performance and lightness. Designed to take on any challenge, these wheels are ready to take you beyond the beaten path. Material : Aluminum alloy and carbon rim for exceptional strength and lightness. Tubeless compatibility, offering a smoother ride and protection against punctures. Available in 650B (27.5”) and 700C (29”) sizes to suit different bike styles and disciplines. AGX technology, designed specifically for Adventure, Gravel and Cyclocross. Includes features like alloy PRA hubs, ISO 6-bolt disc mount, and gray graphics color options.