Aluminum sleeved rim joint rim
Targeted stretch and support areas move with your body while you're riding
The innovative Dual Tread Compound (DTC) combines two distinct rubber compounds—L3R Pro for the center knobs and Stick-E rubber for enhanced cornering
• Ultra-smooth and lightweight SL 1
2026 Specialized Sirrus X 2.0 Km Bike Gloss Metallic Obsidian / Burnt Gold Metallic Frost Reflective L CheckoutSpec= ZS44/28.6|EC44/40 Red Aluminum sleeved rim joint rimOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence inspiring tires, a slightly more upright riding position, and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is