Specialized Sirrus X 1.0 boots 500 grams per boot in

500 grams per boot in a 27

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

It has been thoughtfully updated to respect the heritage of the classic design while incorporating modern elements for new generations

and some skiers swap to a wrap liner for skinny calves

Specialized Sirrus X 1.0 boots 500 grams per boot inThe 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