Bike Comparison
    Sirrus X 3.02021 Specialized
    Recommended
    MSRP
    $699$1,100
    Where to Buy
    $699

    36% off At Specialized

    Category
    		Fitness
    4.3
    Frame
    		Aluminum
    Fork
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		700c
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		Deore
    Drivetrain
    		1 × 10
    Brand Site

    specialized.com

    Summary
    		The Specialized Sirrus X 3.0 is a 700c aluminum frame fitness bike with upper mid-range components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Sirrus X 3.0
    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)

    31 mph

    Sirrus X 3.0

    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 X 3.02021 Specialized
    Frame

    Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

    BB Standard: BSA, 68mm, Threaded

    Colors: Satin Cast Black / Satin Black / Black Reflective; Gloss Raspberry / Tarmac Black / Satin Black Reflective; Gloss Flake Silver / Ice Yellow / Satin Black Reflective

    Fork

    A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

    Bottom Bracket

    Threaded BSA 68mm, 24mm spindle

    Stem

    Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

    Handlebar

    Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm

    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 Deore M4120, SGS, 10-speed

    Crank

    Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide steel chainring, 40T

    Shifters

    Shimano Deore M4100, 10-speed

    Cassette

    Shimano Deore, 10spd, 11-42t

    Chain

    KMC X10, 10-speed w/ reusable Missing Link™

    Brakes

    Front: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm, Rear: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm

    Wheels
    Rims

    700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h

    Spokes

    Stainless, 14g

    Front Hub

    Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h

    Rear Hub

    Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h

    Tires

    Front: Pathfinder Sport, 700x42, Rear: Pathfinder Sport, 700x42

    Riders Also Compared