Sirrus X 1.0 chain guides & tensioners C260 compatible

C260 compatible

The Fidlock magnetic buckle allows quick and easy fastening

with hard zones for speed and soft zones for torque transfer

Soft-touch power switch accesses flashing or steady mode

Every width of the EC90 ALX has its own size-specific top section with corresponding cross sectional dimensions

Sirrus X 1.0 chain guides & tensioners C260 compatibleOffering 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