27 SPECIALIZED SIRRUS X 3.0 KM GLOSS CAYENNE METALLIC MEDIUM ROAD SHOES we added perforations to maximize

we added perforations to maximize breathability

The bottom bracket area is stiffer for faster acceleration

Longitudinal Arch

Trail Tamer

shorter cranks

27 SPECIALIZED SIRRUS X 3.0 KM GLOSS CAYENNE METALLIC MEDIUM ROAD SHOES we added perforations to maximizeOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.< p><p>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.<p>RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each