Sirrus X 4.0 Electric reducing pumping time by up

reducing pumping time by up to two minutes

packs in more comfort with the same exceptional heel hold that you found in the previous iteration

Replacement padset for Propero 4

tight corners

Sirrus X 4.0 Electric reducing pumping time by upOffering 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