Sirrus X 4.0 Colour:SATIN DARK NAVY METALLIC / DOLOMITE METALLIC FROST REFLECTIVE the Prime Lightweight Jersey ensures

the Prime Lightweight Jersey ensures you stay ahead of the heat

Designed with a teardrop-shaped cross-section

up to 20mph/32kph

With the latest technology in waterproofing

Sirrus X 4.0 Colour:SATIN DARK NAVY METALLIC / DOLOMITE METALLIC FROST REFLECTIVE the Prime Lightweight Jersey ensuresOffering 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