• 2021 Specialized Sirrus 1.0

  • $650.00

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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.


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