Tag Archives: 2021 Specialized Sirrus 4.0 Carbon Hybrid Bike Flake Silver

2021 Specialized Sirrus 4.0 Carbon Hybrid Bike Flake Silver

The 2021 Specialized Sirrus 4.0 in Flake Silver is a unisex hybrid bike for riders who have places to go, people to see, and fitness goals to achieve. The 2020 Sirrus 4.0 is built around a Fact 9 carbon fibre frame and fork. The carbon frame and fork are significantly lighter than the aluminium frame