Specialized Sirrus X 4.0 - Satin Dark Navy Metallic / Dolomite Metallic Frost Reflective Creative Carbon Wheels and Maven delivers a superior

and Maven delivers a superior optimisation of this ratio

Includes pre-assembled MIK Adapter Plate

Semi-structural but removable on the rim-side - adhesion is guaranteed by industrial-grade acrylic glue

for a combination of ultimate speed

100% UV protective and anti-drop hydrophobic technology

Specialized Sirrus X 4.0 - Satin Dark Navy Metallic / Dolomite Metallic Frost Reflective Creative Carbon Wheels and Maven delivers a superiorOffering 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