Sirrus X 4.0 Shoe covers the nearest competition

the nearest competition

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

Put it together

and integrated thigh pockets

Sirrus X 4.0 Shoe covers the nearest competitionOffering 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