The SHIMANO DURA-ACE Di2 R9200 series represents the pinnacle of road cycling performance, developed through decades of innovation and professional feedback. Featuring a 12-speed HYPERGLIDE+ drivetrain, it delivers seamless, reliable shifting under load. The wireless cockpit reduces handlebar clutter, while wired derailleurs ensure fast, stable communication with a single, centrally located battery. The ST-R9270 levers, constructed from lightweight carbon fiber, offer refined ergonomics and precise braking control via SERVO WAVE technology. The compact RD-R9250 rear derailleur integrates the charging port and wireless unit, supporting low sprockets from 28T to 34T. The FC-R9200-P power meter crankset uses Hollowtech II carbon/aluminum arms for stiffness and dual-sided measurement accuracy within ±1.5%. Meanwhile, the BR-R9270 hydraulic disc brakes feature MONO-BODY calipers forged from a single block of aluminum for consistent, high-performance braking. Every component is built to deliver maximum efficiency,