![Specialized Sirrus X 4.0 A1 SL Premium Future Shock 1.5 Stout Plug + Play Fitness Bike 2021 - YouTube Specialized Sirrus X 4.0 A1 SL Premium Future Shock 1.5 Stout Plug + Play Fitness Bike 2021 - YouTube](https://i.ytimg.com/vi/B88zHZWHqo8/maxresdefault.jpg)
Specialized Sirrus X 4.0 A1 SL Premium Future Shock 1.5 Stout Plug + Play Fitness Bike 2021 - YouTube
Helped a great customer with an upgrade last month - traded in his Specialized Sirrus 3.0 to a Sirrus X 4.0 - higher quality drivetrain… | Instagram
![Future Shock on a Hybrid - 2020 Specialized Sirrus X 4.0 Dual Sport Hybrid is ready for gravel! - YouTube Future Shock on a Hybrid - 2020 Specialized Sirrus X 4.0 Dual Sport Hybrid is ready for gravel! - YouTube](https://i.ytimg.com/vi/2oG4nAoCKYI/maxresdefault.jpg)