The 2015 Specialized Sirrus is a commuter/city bike with an aluminum Specialized A1 Premium frame. The frame comes in Satin Black or Satin Hyper .
It was released in 2015 and costs $520 brand new. Due to the frame materials and other factors, we estimate that this bike weighs around 30 pounds. The Sirrus 2015 is fully rigid.
Components
The Sirrus 2015 comes with various commuter bike components, including an aluminum, forged, four-bolt, Ahead Melt- stem, an integrated, external, sealed FSA headset and Shimano EZ Fire shifters.
Drivetrain
The Sirrus 2015 has 8 speeds and has Shimano rear cogs and a Shimano derailleur.
Wheels
It comes with Specialized Nimbus tires (622mm x 32mm) and aluminum, double-wall CNC rims.