Specialized Sirrus 1.0 Bike – 2021

SPECIALIZED SIRRUS 1.0 BIKE – 2021

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 we made Sirrus to help you with all of it. Wherever you’re heading, Sirrus will take you there. This Sirrus features a reliable set of components that are built to withstand years of daily abuse, like comfortable Body Geometry touchpoints and fuss-free mechanical V-brakes. 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 Sirrus.

Lightweight A1 Alloy frame with clean internal cable routing delivers a bike that is 1.1lb (.5kg) lighter than previous version.
Upright position with Body Geometry touchpoints for comfort and control.
Reflective graphics on frame and tires for maximum visibility.

FEATURES

• FRAME: Specialized A1 Premium Aluminum, Fitness Geometry, Butted tubing, Internal Cable Routing, V-Brake, Quick-Release, Plug + Play rack/fender mounts
• FORK: Hi-Ten steel, V-Brake, Plug + Play fender mounts, low rider rack mounts, quick-release
• HANDLEBARS: Double-butted alloy, 5-degree backsweep, 25.4mm
• STEM: Specialized Flowset, integrated, 3D-forged alloy, 4-bolt, 12-degree rise, 31.8mm clamp
• TAPE: Specialized Body Geometry XCT, lock-on
• SADDLE: Bridge Sport, Steel rails, 155/143mm
• SEATPOST: Alloy, 12mm offset, 2-bolt clamp, 27.2mm
• SEAT BINDER: Bolt-type, 31.8mm
• FRONT BRAKE: V-brake, linear pull
• REAR BRAKE: V-brake, linear pull
• SHIFT LEVERS: Shimano EF500, 7-speed
• FRONT DERAILLEUR: Shimano Tourney FD-TY710
• REAR DERAILLEUR: Shimano Altus M310
• CASSETTE: Shimano HG200, 7-speed, 12-32t
• CRANKSET: Shimano Tourney, 3-piece, 46/30T
• CHAINRINGS: 46/30T w/chainguard
• BOTTOM BRACKET: BSA, square-taper, 68mm
• CHAIN: KMC X8 w/ Missing Link™
• RIMS: 700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, rim brake
• FRONT HUB: Alloy, loose ball bearing, quick-release, 32h
• REAR HUB: Alloy, loose ball bearings, quick-release, 7-speed freehub, 32h
• SPOKES: Stainless, 14g
• FRONT TIRE: RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c
• REAR TIRE: RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c
• INNER TUBES: Schrader valve, 40mm
• PEDALS: Specialized Body Geometry Fitness, platform, plastic

TECH SPECS

• CRANK LENGTH: 170MM: 170MM: 170MM: 170MM: 175MM: 175MM
• STEM LENGTH: 60mm: 60mm: 75mm: 75mm: 90mm: 110mm
• SEATPOST LENGTH: 300mm: 300mm: 350mm: 350mm: 400mm: 400mm
• SADDLE WIDTH: 155mm: 155mm: 155mm: 143mm: 143mm: 143mm
• HANDLEBAR WIDTH: 580mm: 580mm: 600mm: 600mm: 620mm: 620mm
• REACH: 373mm: 388mm: 393mm: 398mm: 402mm: 414mm
• STACK: 536mm: 555mm: 562mm: 593mm: 608mm: 632mm
• WHEELBASE: 1036mm: 1053mm: 1061mm: 1066mm: 1075mm: 1096mm
• BIKE STAND-OVER HEIGHT: 692mm: 715mm: 745mm: 775mm: 805mm: 827mm
• HEAD-TUBE LENGTH: 121mm: 139mm: 147mm: 175mm: 191mm: 217mm
• FRONT-CENTER: 605mm: 622mm: 630mm: 635mm: 645mm: 665mm
• FORK RAKE/OFFSET: 51mm: 51mm: 51mm: 51mm: 51mm: 51mm
• HEAD-TUBE ANGLE: 69.5°: 70°: 70°: 71°: 71°: 71°
• TRAIL: 75mm: 72mm: 72mm: 65mm: 65mm: 65mm
• CHAIN-STAY LENGTH: 440mm: 440mm: 440mm: 440mm: 440mm: 440mm
• B-B HEIGHT: 278mm: 278mm: 278mm: 278mm: 278mm: 278mm
• SEAT-TUBE ANGLE: 73.5°: 73.5°: 73.5°: 73.5°: 73.5°: 73.5°
• FORK LENGTH (FULL): 395mm: 395mm: 395mm: 395mm: 395mm: 395mm
• B-B DROP: 70mm: 70mm: 70mm: 70mm: 70mm: 70mm
• SEAT-TUBE LENGTH: 360mm: 395mm: 440mm: 470mm: 510mm: 530mm
• TOP-TUBE LENGTH (HORIZONTAL): 531mm: 552mm: 559mm: 573mm: 582mm: 601mm