Sirrus X 3.0 Components POCKET: 100% Polyester

POCKET: 100% Polyester

The full-coverage fenders and rear wheel covers help keep you and your bike clean and debris out of your spokes

Innovative MIMIC technology uses multilayered materials to maintain equilibrium and minimize swelling in soft tissue

And the ultralight Mindset micro-dial fit system with height adjustability has been updated for improved grip and reaction for easy on-the-go fit

for inventing the “Roval ThreadBed Valve”- a valve that threads directly into the rim eliminating compression nuts

Sirrus X 3.0 Components POCKET: 100% PolyesterOffering 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