Bike Comparison

The Trek Domane AL 5 Disc and Trek Domane SL 4 are both endurance bikes with hydraulic disc brakes. The Domane AL 5 Disc has an aluminum frame, better components, and a 2 × 11 drivetrain providing a wider range of gears; while the Domane SL 4 has a carbon frame. Explore the differences below.

    2022 Trek Domane AL 5 Disc
    2021 Trek Domane SL 4
    MSRP$2,099$2,399
    Spec Level
    Where to Buy
    $1

    At

    $1

    At

    CategoryEnduranceEndurance
    Weight22.3 lbs21.8 lbs
    FrameAluminumCarbon
    ForkCarbonCarbon
    WheelsAluminumAluminum
    Wheel Size700c700c
    Clearance35c38c
    BrakesHydraulic DiscHydraulic Disc
    Groupset105Tiagra, 105
    Drivetrain2 × 112 × 10
    SeatpostRigidRigid
    Brand Sitetrekbikes.comtrekbikes.com

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    Spec Level

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

    Spec level →$0$500$1,000$1,500$2,000
    Domane AL 5 Disc
    Domane SL 4

    Gear Range

    Trek Domane AL 5 Disc

    39 mph

    Trek Domane SL 4

    36 mph

    Learn More


    Geometry

    Specs
    Frame

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

    500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142x12mm thru axle

    Fork

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

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

    Bottom Bracket

    Shimano RS500, 68mm, threaded external

    Praxis, T47 threaded, internal bearing

    Headset

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

    Stem

    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

    Size: 44, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: 47, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 50, 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 clamp, Blendr compatible, 7 degree, 100mm length; Size: 60, 62, Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length

    Handlebar

    Size: 44, 49, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 38cm width; Size: 52, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 40cm width; Size: 54, 56, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, internal Di2 routing, 93mm reach, 123mm drop, 42cm width; Size: 58, 61, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, internal Di2 routing, 93mm reach, 123mm drop, 44cm width

    Size: 44, 47, Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 36cm width; Size: 50, 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, 60, 62, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width

    Saddle

    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

    Bontrager Arvada Comp, steel rails, 138mm width

    Seatpost

    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

    Size: 44, 47, 50, 52, 54, 56, Bontrager carbon internal seatmast cap, integrated light mount, 20mm offset, short length; Size: 58, 60, 62, Bontrager carbon internal seatmast cap, integrated light mount, 20mm offset, tall length

    Groupset
    Rear Derailleur

    Shimano 105 R7000, long cage, 34T max cog

    Shimano Tiagra 4700, long cage, 34T max cog

    Front Derailleur

    Shimano 105 R7000, 31.8mm clamp

    Size: 44, 47, 50, 52, 54, 56, 58, 60, 62, Shimano Tiagra 4700, braze-on; Size: 44, 47, 50, 52, 54, 56, 58, 60, 62, Shimano 105 R7000, braze-on

    Crank

    Size: 44, Shimano 105 R7000, 50/34 (compact), 165mm length; Size: 49, 52, Shimano 105 R7000, 50/34 (compact), 170mm length; Size: 54, 56, Shimano 105 R7000, 50/34 (compact), 172.5mm length; Size: 58, 61, Shimano 105 R7000, 50/34 (compact), 175mm length

    Size: 44, 47, Praxis Alba M30, 50/34 (compact), 30mm spindle, 165mm length; Size: 50, 52, Praxis Alba M30, 50/34 (compact), 30mm spindle, 170mm length; Size: 54, 56, Praxis Alba M30, 50/34 (compact), 30mm spindle, 172.5mm length; Size: 58, 60, 62, Praxis Alba M30, 50/34 (compact), 30mm spindle, 175mm length

    Shifters

    Shimano 105 R7020, 11 speed

    Shimano Tiagra R4725, short reach lever, 10 speed

    Cassette

    Shimano 105 HG700-11, 11-34, 11 speed

    Shimano Tiagra HG500, 12-28, 10 speed

    Chain

    Shimano HG601

    Shimano Tiagra HG54, 10 speed

    Brakes

    Shimano 105 hydraulic disc, flat mount

    Shimano Tiagra hydraulic disc, flat mount

    Wheels
    Rims

    Size: 44, 49, 52, 54, 56, 58, 61, Bontrager Affinity Disc, Tubeless Ready, 28-hole, 21mm width, presta valve; Size: 49, 52, 54, 56, 58, 61, Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21mm width, presta valve

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

    Spokes

    14g stainless steel

    14g stainless steel

    Front Hub

    Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

    Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

    Rear Hub

    Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle

    Bontrager alloy, sealed bearing, centerlock, Shimano 11-speed freehub, 142x12mm thru axle

    Tires

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

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

    Disk Rotors

    Shimano SM-RT70, centerlock, 160mm

    Shimano SM-RT70, centerlock, 160mm