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The Ultegra Hollow Tech II Crankset features an optimized lightweight design that doesnt sacrifice stiffness
DTs SINC ceramic ball bearing system is made from silicon nitride (Si3N4) an extremely tough and wear- and corrosion-resistant ceramic material
2017 Camber
Liberal use of features found on SRAMs high end MTB parts provide high value quiet operation and ease of service
Rounded edges are UCI-compliant and allow for easier wheel installs
2026 Sirrus X 3.0 Km MFPN=EBRRS305F4RF The Ultegra Hollow Tech IIOffering 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
