Sirrus X 4.0 Shoe covers Top of hand is constructed

Top of hand is constructed from stretchable mesh for increased breathability

The Control Stem is tailor made with a 35mm clamp to partner with the Control SL bar

With a casual style

protective

Put it together

Sirrus X 4.0 Shoe covers Top of hand is constructedOffering 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