Specialized Sirrus X 1.0 clipless 2mm barbore

2mm barbore

- Convenient universal phone clamp lets you turn any smartphone into a dashboard displaying ride information from the included Cannondale Wheel Sensor

reliable 2x12-speed shifting from Shimano's trusted 105 mechanical drivetrain

1-1/8" to 1-1/5" Delta steerer

Eastern top tube and bar pads

Specialized Sirrus X 1.0 clipless 2mm barboreDetails Offering 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