Specialized Sirrus X 4.0 Bike superfly takes you to a land

takes you to a land where historic cities

shuttle guard

Brooks' new travel panniers are named after the famous Land's End to John O'Groats cycle route which traverses the length of the island of Great Britain between its two furthermost extremities

plus our BlackBelt technology for puncture protection

Specialized Sirrus X 4.0 Bike superfly takes you to a landSpecs Technology FAQs Comfortable, Cabale, Confident: Sirrus X 4. 0 Sirrus X is your ticket to riding more, and to places you never imagined possible. Its a comfortable, capable, lets do stuff kind of bike that will inspire you to ride more than you ever have before. With bigger, confidence inspiring tires, a slightly more upright riding position, a super intuitive one by drivetrain, and plenty of mounts for racks and fendersits more than just a solid