Considering the Trek Checkpoint SL 7 is positioned as a performance-oriented gravel bike, how does its comfort-focused design actually impact its performance capabilities, particularly when compared to more traditional, lightweight road bikes, and is the added comfort worth the potential weight and aerodynamic penalties, especially for riders who prioritize speed and efficiency above all else, and do the benefits of the Checkpoints comfort features, such as the IsoSpeed decoupler and the endurance-focused geometry, outweigh the drawbacks for riders who frequently participate in long-distance events or high-intensity training sessions?