Specialized Sirrus 1.0 Fitness Bike (L) (Gloss Cast Lilac/Vivid Coral/Satin Black)

Price: $649.99
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Specialized Sirrus 1.0 Fitness Bike Description:

Chase your fitness goals while also enjoying the comfort and reliability of the Specialized Sirrus 1.0. The perfect companion for cruising the bike path on the weekends or taking the scenic route to work during the week. Specialized has added its Body Geometry technology for maximum comfort and control on all of the touchpoints, which include the grips, seat, and pedals. Push your limits but also savor the freedom of being out on a bike.


  • Lightweight A1 Alloy frame with clean internal cable routing and mounts for racks and fenders
  • Upright position with Body Geometry grips, seat, and pedals for comfort and control
  • Reliable and smooth shifting Shimano drivetrain
  • Reflective graphics on frame and tires for maximum visibility


  • Frame: Specialized A1 Premium Aluminum (Fitness Geometry) (Internal Cable Routing) (Rack & Fender Mounts)
  • Fork: Hi-Ten Steel (V-Brake) (Plug + Play Fender Mounts)
  • Handlebar: Double Butted Alloy (5° Backsweep) (25.4mm)
  • Grips/Tape: Specialized Body Geometry XCT (Lock-on)
  • Stem: Specialized Flowset (12° Rise) (31.8mm Clamp)
  • Headset: -
  • Levers: Alloy Linear Pull
  • Shifter: Shimano EF500 (7-Speed)
  • Brakes: V-brake (Linear pull)
  • Rotors: -
  • Crankset: Shimano Tourney (3-piece) (46/30T)
  • Bottom Bracket: BSA (Square-Taper) (68mm)
  • Pedals: Specialized Body Geometry Fitness Platform
  • Chain: KMC X8 w/ Missing Link
  • Chainring: 46/30T w/ Chainguard
  • Cassette: Shimano HG200 (12-32T) (7 Speed)
  • Front Derailleur: Shimano Tourney TY710
  • Rear Derailleur: Shimano Altus M310 (7 Speed)
  • Front Hub: Alloy Loose Ball Bearing (Quick Release) (32H)
  • Rear Hub: Alloy Loose Ball Bearings (Quick Release) (7 Speed Freehub) (32H)
  • Rims: 700c Double-Wall Alloy (22mm Depth) (21mm Internal Width) (Rim Brake)
  • Saddle: Bridge Sport (Steel rails)
  • Seatpost: Alloy 2-Bolt (27.2mm) (12mm Offset)
  • Seat Clamp: Bolt-Type (31.8mm)
  • Front Tire: RoadSport w/ Blackbelt/Endurant Casing (700 x 32mm) (Wire)
  • Rear Tire: RoadSport w/ Blackbelt/Endurant Casing (700 x 32mm) (Wire)
  • Weight: -

Assembly Note:

These bikes are fully built by our expert bike builders, then partially disassembled as needed for shipping. Bikes will arrive to you with some basic assembly still required.

This product was added to our catalog on August 17, 2023

Sizing Recommendations for Riders Who Fall Between Sizes:

  • Sizing down will provide a more maneuverable ride while sizing up will provide more stability
Rider Height (Feet)Rider Height (CM)
XXS4'8" - 4'11"142 - 150cm
XS4'11" - 5'2"150 - 158cm
S5'1" - 5'5"155 - 165cm
M5'5" - 5'9"165 - 175cm
L5'9" - 6'0"175 - 183cm
XL6'0" - 6'4"183 - 193cm

Note: All sizing recommendations are provided by the manufacturer and may differ for each rider.

    Crank Length170mm170mm170mm170mm175mm175mm
    Handlebar Width580mm580mm600mm600mm620mm620mm
    Stem Length60mm60mm75mm75mm90mm110mm
    Seatpost Length300mm300mm350mm350mm400mm400mm
    Saddle Width155mm155mm155mm143mm143mm143mm
    Head Tube Length121mm139mm147mm175mm191mm217mm
    Head Tube Angle69.5°70°70°71°71°71°
    BB Height278mm278mm278mm278mm278mm278mm
    BB Drop70mm70mm70mm70mm70mm70mm
    Fork Length, Full395mm395mm395mm395mm395mm395mm
    Fork Rake/Offset51mm51mm51mm51mm51mm51mm
    Front Center605mm622mm630mm635mm645mm665mm
    Chainstay Length440mm440mm440mm440mm440mm440mm
    Top Tube Length (Horizontal)531mm552mm559mm573mm582mm601mm
    Bike Standover Height692mm715mm745mm775mm805mm827mm
    Seat Tube Length360mm395mm440mm470mm510mm530mm
    Seat Tube Angle73.5°73.5°73.5°73.5°73.5°73.5°

    Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.