Specialized Sirrus X 1.0 clipless - Convenient universal phone clamp

- Convenient universal phone clamp lets you turn any smartphone into a dashboard displaying ride information from the included Cannondale Wheel Sensor

reliable 2x12-speed shifting from Shimano's trusted 105 mechanical drivetrain

the Terry Hershey Trail

It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids

1-1/8" to 1-1/5" Delta steerer

Specialized Sirrus X 1.0 clipless - Convenient universal phone clampDetails 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