The 2021 Trek Checkpoint SL 7 pairs the best carbon gravel frame with high-tech parts picked for performance and incredible ride quality on the toughest and roughest gravel adventures. A lightweight OCLV Carbon frame with gravel-smoothing IsoSpeed, a SRAM wireless electronic drivetrain, carbon wheels, and extra mounts for gear and accessories give you the comfort and capability you need to tackle your next all-road excursion.