Specialized Sirrus X 1.0 boots the cogs are permanently connected

the cogs are permanently connected with high-strength stainless steel pins for a lightweight and precise experience

and some skiers swap to a wrap liner for skinny calves

A sizable front panel allows quick access to an avy kit

Tourers who want a 110-flex daily boot with 70° of cuff rotation and moderate weight

a removable helmet net and hydration system compatibility

Specialized Sirrus X 1.0 boots the cogs are permanently connectedThe Sirrus X delivers the smoothest ride in its class, featuring larger, confidence inspiring tires, a slightly more upright riding position, and an intuitive one by drivetrain. Like all Specialized performance bikes, each frame's geometry is uniquely crafted. This design ensures that for every frame size, each tube is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness so you can enjoy the best ride regardless