Argon 18 Sum Shimano 105 Di2

The Argon 18 Sum Shimano 105 Di2 brings electronic shifting into the Sum aero platform at a competitive price point. With the same aero frame features—hourglass headtube, draft-optimized fork, and low-drag profiles—this build supports performance upgrades while delivering reliable shifting via Shimano 105 Di2 2×12 drivetrain. Combined with aero wheels and matching tires, it enables efficient race-style performance. Internal routing and integrated design maintain sleekness, making this variant appealing for riders stepping into electronic groupsets in a serious aero chassis.