The 2025 Trek Madone SL 5 Gen 8 is a performance-focused aero road bike that brings the speed and style of Trek’s flagship design to a more accessible build. Featuring a 500 Series OCLV carbon frame with aerodynamic tube shaping and IsoFlow technology for added compliance, it’s built to go fast without beating you up. Outfitted with Shimano 105 12-speed mechanical shifting and hydraulic disc brakes, it delivers reliable performance and precise control. With clean lines, hidden cable routing, and race-inspired geometry, the Madone SL 5 is ready for spirited group rides, fast climbs, and everything in between.