Sirrus X 3.0 Size:L Press-and-hold for two seconds to

Press-and-hold for two seconds to shift between white and red modes

it features a 13-speed 10-46 cassette

Or do you just want to be a trail hero saving others with your versatile tube that fits both 27

Descending from a long World Cup lineage

And on a brisk spring or fall day

Sirrus X 3.0 Size:L Press-and-hold for two seconds toOffering 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