2026 Trek Speed Concept SLR 9 AXS Road Bike SPECIFICATION FRAME 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, T47 BB, integrated Bento box, integrated downtube storage BB Standard: T47, Threaded Tire Clearance: 28c Colors: Metallic Red Smoke to Carbon Red Smoke Fade | Matte Deep Smoke FORK ..