The 2023 Argon 18 Grey Matter is a gravel bike designed for adventurous riders who seek versatility and performance on various terrains. The bike features a lightweight and responsive carbon frame, SRAM Apex 1 drivetrain with a 11-42T cassette, hydraulic disc brakes, and clearance for up to 700x45c or 650bx50c tires. The bike also includes adjustable geometry with two different head tube angles, allowing the rider to customize their riding position for different types of terrain. The Grey Matter is ideal for riders looking for a high-quality gravel bike with a reliable drivetrain and customizable geometry.