making Sirrus easy to rack and roll
Thwart would-be bike thieves by disabling the motor with a press of a button so nobody can turn the motor back on without your personalized pin
so you’ll sweat it out on epic climbs and fly down descents just like you’re out on the road
the sealant bonds to the inside tyre wall like a suit of armour
ultraviolet rays
Sirrus X 2.0 Colour:GLOSS TANGERINE / SHADOW SILVER FROST REFLECTIVE making Sirrus easy to rackOffering 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