BIKE TREK CHECKPOINT SL 5 AXS GEN 3 2026The Checkpoint SL 5 AXS Gen 3 is an adventure ready carbon gravel bike built to roll into the distant horizon. Its lightweight carbon frame is designed with comfort focused geometry, room for beefy 50 mm tyres (as measured), and plenty of frame and fork mounts. Plus, IsoSpeed comfort technology helps soak up jarring road vibrations, helping you float over chatter and potholes. It has a wireless 12 speed SRAM Apex XPLR AXS drivetrain to deliver plenty