Bike Comparison

The Specialized Allez, Trek Domane AL 2 Disc, and Giant Contend AR 4 are all aluminum frame road bikes with modest components. Explore the differences below.

    2021 Specialized Allez
    2021 Trek Domane AL 2 Disc
    2021 Giant Contend AR 4
    MSRP$1,000$1,129$1,040
    Online Price
    $1

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    $1

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    CategoryRaceEnduranceEndurance
    Weight23.7 lbs
    FrameAluminumAluminumAluminum
    ForkCarbonCarbonCarbon
    Wheel Size700c700c700c
    Wheel MaterialAluminumAluminumAluminum
    Brake TypeRimMechanical DiscMechanical Disc
    GroupsetClaris
    Claris, Shimano
    Claris, FSA
    Drivetrain2 × 82 × 82 × 8
    Gear Range

    Specialized Allez

    39 mph

    Trek Domane AL 2 Disc

    39 mph

    Giant Contend AR 4

    39 mph
    SeatpostRigidRigidRigid
    Brand Sitespecialized.comtrekbikes.comgiant-bicycles.com
    Suggested Bikes

    Spec Level

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

    Spec level →$0$200$400$600$800$1,000
    Allez
    Domane AL 2 Disc
    Contend AR 4

    Geometry

    Specs
    Frame

    Specialized E5 Premium Aluminum, fully manipulated tubing w/ SmoothWelds, 1-1/8"- 1-3/8" tapered head tube, internal cable routing, threaded BB, 130mm spacing

    100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, DuoTrap S compatible, flat mount disc, 142x12mm thru axle

    ALUXX-Grade Aluminum, disc

    Fork

    Specialized FACT carbon, 1-1/8" to 1-3/8" taper, fender eyelets

    Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle

    Advanced-Grade Composite, full-composite OverDrive steerer, disc

    Rear Shock

    N/A

    Bottom Bracket

    Shimano

    Shimano UN30, 68mm, threaded cartridge, 110mm spindle

    cartridge

    Headset

    FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom

    Stem

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

    Size: 44, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 49, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 52, 54, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 56, 58, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length; Size: 61, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length

    Giant Sport

    Handlebar

    Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp

    Size: 44, 49, Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 38cm width; Size: 52, Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 40cm width; Size: 54, 56, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 42cm width; Size: 58, 61, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width

    Giant Connect

    Saddle

    Body Geometry Bridge Saddle, steel rails

    Size: 44, 49, 52, Bontrager P3 Verse Comp, steel rails, 155mm width; Size: 54, 56, 58, 61, Bontrager P3 Verse Comp, steel rails, 145mm width

    Giant Approach, UniClip accessory mount

    Seatpost

    Alloy, 2-bolt Clamp, 12mm offset, 27.2mm, anti-corrosion hardware

    Size: 44, 49, Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 250mm length; Size: 52, 54, 56, 58, 61, Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length

    Giant D-Fuse, alloy

    Pedals

    N/A

    Groupset
    Rear Derailleur

    Shimano Claris, 8-speed

    Shimano Claris R2000, long cage, 34T max cog

    Shimano Claris

    Front Derailleur

    Shimano Claris, clamp-on

    Shimano Claris R2000, 31.8mm clamp

    Shimano Claris

    Crank

    Shimano Claris R200, 50/34T

    Size: 44, Shimano RS200, 50/34 (compact), 165mm length; Size: 49, 52, 54, Shimano RS200, 50/34 (compact), 170mm length; Size: 56, 58, 61, Shimano RS200, 50/34 (compact), 175mm length

    FSA Tempo, 34/50

    Shifters

    Shimano Claris 2000, 8-speed

    Shimano Claris R2000, 8 speed

    Shimano Claris

    Cassette

    SunRace, 8-speed, 11-32t

    Shimano HG31, 11-32, 8 speed

    Shimano HG50, 8-speed, 11x34

    Chain

    KMC X8 w/ Missing Link™, 8-speed

    Shimano Sora HG71, 8 speed

    KMC Z72

    Brakes

    Tektro, alloy, dual-pivot

    Tektro C550 mechanical disc brake, dual piston, flat mount, 160mm rotor

    Tektro MD-C550 mechanical, 160mm

    Brake Levers

    Shimano Claris

    Wheels
    Rims

    Front: Axis Sport, Rear: Axis Sport

    Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21mm width, presta valve

    Giant S-R2 Disc wheelset

    Spokes

    14g stainless steel

    Stainless

    Front Hub

    Formula RX-512 alloy, 6-bolt, 100x12mm thru axle

    Giant S-R2 Disc wheelset, 12mm thru-axle

    Rear Hub

    Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle

    Giant S-R2 Disc wheelset, 12mm thru-axle

    Tires

    Front: RoadSport, 700x26mm, Rear: RoadSport, 700x26mm

    Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c

    Giant S-R3 AC, 700x32c, puncture protect