Fitness is not a fad, and the Sirrus proves you're taking your fitness journey seriously. The Sirrus combines our premium aluminum frame with a durable component package and easy-to-maintain rim brakes to deliver a comfortable and fast ride. As you push yourself to reach your goals, the Sirrus will be a powerful ally to have on your health and wellbeing team. The reliable and sturdy, A1 Premium Aluminum frame features rack and fender mounts, allowing you to carry gear or to fend off road spray in inclement weather. Wide and stable-handling 700x32mm Specialized Nimbus tires have a fast and smooth tread, and feature Flak Jacket puncture protection. The frame is engineered and designed with Fitness Geometry, helping you ride more efficiently in a position that will see you riding comfortably, mile-after-mile, while the Body Geometry Targa Sport saddle is designed for fitness riders and assures blood flow to sensitive arteries. FRAME: Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts FORK: Steel, straight blades, fender/rack mounts HEADSET: FSA, Campy style, integrated cartridge bearings, external sealed upper bearings, 15mm cone spacer STEM Forged alloy, 4-bolt, 20-degree rise HANDLEBARS: Specialized, flat bar, alloy, 10-degree backsweep, 25.4mm TAPE: Specialized Body Geometry Targa, lock-on, closed end FRONT BRAKE: V-brake, linear pull, 60mm pads REAR BRAKE: V-brake, linear pull, 60mm pads BRAKE LEVERS: Shimano, V-brake FRONT DERAILLEUR: Shimano FD-M191, top swing, dual pull REAR DERAILLEUR: Shimano Altus, 8-speed SHIFT LEVERS: Shimano Altus EZ Fire Plus, 8-speed CASSETTE: Shimano, 8-speed, 11-32t CHAIN: KMC X8, 8-speed, w/ reusable MissingLink CRANKSET: Shimano FC-M131, 48/38/28T, w/ chainguard BOTTOM BRACKET: Square taper, cartridge bearings PEDALS: Nylon, loose ball bearings, w/ reflectors RIMS: Alloy, double-wall FRONT HUB: Double-sealed, QR, 32h REAR HUB: Double-sealed, QR, 32h SPOKES: Stainless, 14g FRONT TIRE: Specialized Nimbus Reflect, 26TPI, Flak Jacket protection, 700x32mm REAR TIRE: Specialized Nimbus Reflect, 26TPI, Flak Jacket protection, 700x32mm SADDLE: Body Geometry Targa Sport, steel rails, SWAT compatible mounts, 155mm SEATPOST: Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm SEAT BINDER: Alloy, 31.8mm In-store pickup only.