You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing Specialized made the Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. featuring an alloy frame and ultra comfortable steel fork construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world's pavement.Higher models of Sirrus feature powerful hydraulic disc brakes providing reliable stopping power all year round in any condition, comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with the Specialized Sirrus. With it's Lightweight A1 Alloy frame and clean looking internal cable routing, the updated Sirrus delivers a complete bike that is 1.1lb (.5kg) lighter than the previous version. Reflective graphics on the frame and tires for maximum visibility in low light conditions. Upright position with Body Geometry touchpoints for better comfort and maximum control. The 2021 Specialized Sirrus 1.0 Features: Frame: A1 Premium Aluminium, w/ fitness geometry, Butted tubing, Internal Cable Routing, V-brake, QR Mounts / Plug + Play rack/fender Mounts Fork: Hi-Ten Steel, V-Brake, Plug + Play Fender Mounts, Low Rider Rack Mounts, QR Crankset: Shimano Tourney, 3 piece 46/30T w/Chainguard Gearing: Shimano Tourney EF500 7-Speed Brakes: V-Brake, Linear Pull Wheelset: 700C Rim Brake Double-Wall Alloy 32H / 22mm Depth  Tyres: Specialized RoadSport 700x32c Wire Bead