Specialized Sirrus X 4.0 Bike Size:M 6 cm × 26 cm

6 cm × 26 cm × 36

The Max-Wick

neck gaiter to hair tie - for optimal performance and protection

It does this through a pairing with our Specialized Ride App for iOS or Android devices

bigger tires

Specialized Sirrus X 4.0 Bike Size:M 6 cm × 26 cmSpecs 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