Specialized Sirrus X 1.0 mtb-frameset side zip & drawstring closure

side zip & drawstring closure

This is one of the fastest bikes we sell for descending in Colorado

and you can ski with confidence

On top of that

while Tubelite Woodcore and Flax Fiber damping smooth out vibrations and chatter

Specialized Sirrus X 1.0 mtb-frameset side zip & drawstring closureThe 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