The Specialized Sirrus Pro Disc is a commuter/city/hybrid bike with a carbon and aluminum Specialized Sirrus FACT / A1 Premium / Fitness Geometry frame. The frame comes in titanium or Gloss Red .
It was first released in 2005 and again in 2015. Due to the frame materials, we estimate that this bike weighs around 25 pounds. The Sirrus Pro Disc is fully rigid.
Components
The Sirrus Pro Disc comes with SRAM X1 and Mix components, including an aluminum, forged, integrated Specialized stem, an integrated, Campy Intellaset headset and SRAM SL X1 Shimano R-440 shifters.
Drivetrain
The Sirrus Pro Disc has 11,9 speeds and has SRAM XG 1180 rear cogs and a SRAM X1 Shimano derailleur.
Wheels
It comes with Specialized tires (622mm x 28mm) and disc, AXIS Alex AT-400 rims.