2026 Sirrus X 4.0 Size:M }Cateye HR-12 Heart Rate Sensor

}Cateye HR-12 Heart Rate Sensor

Specialized’s exclusive Sticky Fast T9 rubber compound elevates the Hillbilly’s traction

Color Silver Range 11-36 Cassette Cogs 11-13-15-18-21-24-28-32-36 Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds 9 Weight 443 Defined Color Silver

6mm bottom brackets

Includes Paul's own Sealed Bearing Pulleys

2026 Sirrus X 4.0 Size:M }Cateye HR-12 Heart Rate SensorOffering 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