The 2025 Trek Checkpoint SL 5 AXS Gen 3 is a versatile carbon gravel bike built for adventure and endurance. Its 500 Series OCLV Carbon frame with IsoSpeed decoupler smooths out rough terrain, while the SRAM Apex AXS 12-speed electronic drivetrain delivers precise wireless shifting. With clearance for wide tires up to 50mm, internal storage, and multiple mounting points, it's ready for long rides, bikepacking, or fast gravel racing.