Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12 mm thru axle 29 Trek Semi-integrated, sealed cartridge bearing, alloy cups, 1-1/8"" top, 1.5"" bottom

• A better way to produce aluminium - Starting in 2024, we began removing high-emission aluminium from our manufacturing and replacing it with low-emission aluminium made with renewable energy. By October 2025, nearly every alloy bike we make this one included had made the switch, driving a major drop in our footprint.

Procaliber Alloy Frameset is a versatile foundation for your next cross-country build. Its lightweight Alpha Platinum Aluminum frame and modern geometry balance efficiency and control for fast, confident riding. Designed for a 120mm fork, its ready to be built into a capable and responsive XC machine.