Sirrus 4.0 Color:Satin Black / Smoke / Black Reflective A single external compression adjuster

A single external compression adjuster that simultaneously adjusts High and Low speed damping characteristics

Size 143mm / Weight 227g

The Park Tool CC-4

with a balance of stiffness for pedal efficiency and flexibility for hiking off the bike

Helix Plus and Helix Steel chainrings

Sirrus 4.0 Color:Satin Black / Smoke / Black Reflective A single external compression adjusterYou have places to go, people to see, and fitness goals to achieve. We get itlife moves pretty fast, so it's a good thing we made Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light aluminum alloy and carbon fiber construction, as well as reliable MicroSHIFT components that are built to withstand years of daily abuse on the world's pavement. Powerful hydraulic disc brakes provide