Bike Comparison
    Sirrus 1.02021 Specialized
    Recommended
    MSRP
    $650
    Where to Buy
    —
    $1

    At

    Category
    		Fitness
    2.4
    Frame
    		Aluminum
    Fork
    		Steel
    Wheels
    		Aluminum
    Wheel Size
    		700c
    Brakes
    		Rim
    Motor
    Battery
    Groupset
    		Altus, Tourney
    Drivetrain
    		2 × 7
    Brand Site

    specialized.com

    Summary
    		The Specialized Sirrus 1.0 is a 700c aluminum frame fitness bike with modest components and rim brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Sirrus 1.0
    Other Fitness bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    33 mph

    Sirrus 1.0

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Sirrus 1.02021 Specialized
    Frame

    Specialized A1 Premium Aluminum, Fitness Geometry, Butted tubing, Internal Cable Routing, V-Brake, Quick-Release, Plug + Play rack/fender mounts

    BB Standard: BSA, 68mm, Threaded

    Colors: Gloss Black / Charcoal / Satin Black Reflective; Gloss Cast Lilac / Vivid Coral / Satin Black Reflective; Gloss Forest Green / White Mountains / Satin Black Reflective

    Fork

    Hi-Ten steel, V-Brake, Plug + Play fender mounts, low rider rack mounts, quick-release

    Bottom Bracket

    BSA, square-taper, 68mm

    Stem

    Specialized Flowset, integrated, 3D-forged alloy, 4-bolt, 12-degree rise, 31.8mm clamp

    Handlebar

    Double-butted alloy, 5-degree backsweep, 25.4mm

    Saddle

    Bridge Sport, Steel rails, 155/143mm

    Seatpost

    Alloy, 12mm offset, 2-bolt clamp, 27.2mm

    Pedals

    Specialized Body Geometry Fitness, platform, plastic

    Groupset
    Rear Derailleur

    Shimano Altus M310

    Front Derailleur

    Shimano Tourney FD-TY710

    Crank

    Shimano Tourney, 3-piece, 46/30T, 46/30T w/chainguard

    Shifters

    Shimano EF500, 7-speed

    Cassette

    Shimano HG200, 7-speed, 12-32t

    Chain

    KMC X8 w/ Missing Link™

    Brakes

    Front: V-brake, linear pull, Rear: V-brake, linear pull

    Wheels
    Rims

    700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, rim brake

    Spokes

    Stainless, 14g

    Front Hub

    Alloy, loose ball bearing, quick-release, 32h

    Rear Hub

    Alloy, loose ball bearings, quick-release, 7-speed freehub, 32h

    Tires

    Front: RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c, Rear: RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c

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