2026 Sirrus X 4.0 Size:M Includes Paul's own Sealed Bearing

Includes Paul's own Sealed Bearing Pulleys

At the heart of these wheels are the Industry Nine Hydra hubs for long life and dependability with supreme engagement to maximize power

This system also allows you the opportunity to toggle between 29-inch wheels (not included) and 6Fattie wheels

The pads are made of orthopedic high-performance foam which significantly increase comfort on road bike handlebars

2026 Sirrus X 4.0 Size:M Includes Paul's own Sealed BearingOffering 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