The high-dampening GRIPTON® T9 compound rebounds slowly to grip and stick to the ground for total traction and control
making it a menace on the pedals
they offer customized longitudinal arch and metatarsal support with three contour options
and large center braking blocks bite aggressively into the ground
and the ugly
Sirrus X 3.0 FUTURE SHOCK The high-dampening GRIPTON® T9 compoundOffering 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