The BFT (Big Fat Tire) has it where it counts – meaty center and side knobs to dig in on tight turns and tough climbs
helping you go from zero-to-riding faster
The SE4 Team Issue Tubeless Ready tire offers incredible grip and fast-rolling efficiency in a lightweight enduro-spec casing
* We recommend you wash your bike and reapply Sweat Protect periodically to ensure total protection
Gear straps included
Sirrus X 3.0 2018 The BFT (Big Fat Tire)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 frame is