Sirrus X 3.0 Headphones all at a sub-200 gram

all at a sub-200 gram weight (27

Boost your workouts with enhanced safety thanks to our signature open-ear design

With the biggest vents in its class for maximum ventilation

extraordinary feats and every ride in between

Easily-adjustable

Sirrus X 3.0 Headphones all at a sub-200 gramOffering 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