Specialized Sirrus X 2.0 Gloss Electric Green/Satin Reflective Smoke brand_one up components The computer is the button

The computer is the button

you receive the same superior performance in all seating positions—especially aggressive ones

Comes as a pair

and durable way to securely fasten your power source

Left or right side battery mounts for an HP Velotechnik Scorpion FS 26

Specialized Sirrus X 2.0 Gloss Electric Green/Satin Reflective Smoke brand_one up components The computer is the buttonOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. 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. Like all Specialized performance bikes, the geometry of each frame is uniquely crafted. This means that for every frame, each tube