Sirrus X 1.0 chain guides & tensioners The Fidlock magnetic buckle allows

The Fidlock magnetic buckle allows quick and easy fastening

LX18650 Lithium lon Rechargeable

NuYarn merino wool blend is lighter

C260 compatible

Plush Mid-Density EVA foam and nylon fiber composite base with D2 Edge Flex that provide softened edges for optimal pedal strokes

Sirrus X 1.0 chain guides & tensioners The Fidlock magnetic buckle allowsOffering 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