18 teeth in the front and 10 teeth in the back
40cm drop width
The 6061 aluminum Floval tubing frame is strong and stylish
Nothing is faster than the Tarmac SL8 thanks to a combination of aerodynamics
A five-star experience right on your handlebars
Specialized Sirrus X 3.0 Step-Thru babyseat 18 teeth in the frontOffering 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