Specialized Sirrus X 1.0 size:Large 36T chainring BB Set OPC

36T chainring BB Set OPC bearing type

butted tubing

each tube size is specifically selected to achieve the optimal balance of rigidity

This means that for every frame

Suspension Fork Hi-Ten steel

Specialized Sirrus X 1.0 size:Large 36T chainring BB Set OPCDetails Offering 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