Sirrus X 1.0 CONTROL If you prefer the rolling

If you prefer the rolling and traction benefits of a 29” rear wheel

preventing fabric bunching even during the most intense rides

Flat 4-Pin LED Taillights

To make a DH-certified full face with the ventilation and fit of a half shell

while also supporting the entire casing to handle the rigors that these bikes dish out when roaming city streets

Sirrus X 1.0 CONTROL If you prefer the rollingOffering 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