Race-tuned. Adventure-approved. The 2026 Specialized Diverge 4 Expert Shimano GRX Di2 Carbon Gravel Bike in Nebula Metallic is built for full-gas race days and off-grid epics. With Future Shock 3.0, our most responsive frame ever, massive tire clearance, and the biggest internal storage in gravel, the best gravel bike in the world just got better. Chase the horizon—or your rivals—it’s built for both.