Bike Comparison
    Domane AL 5 Disc2022 Trek
    Domane SL 42021 Trek
    MSRP
    $2,099
    $2,399
    Where to Buy
    —
    $1

    At

    —
    $1

    At

    Category
    		EnduranceEndurance
    Weight
    		22.3 lbs21.8 lbs
    3.7
    4.5
    Frame
    		AluminumCarbon
    Fork
    		CarbonCarbon
    Wheels
    		AluminumAluminum
    Wheel Size
    		700c700c
    Clearance
    		35c38c
    Brakes
    		Hydraulic DiscHydraulic Disc
    Groupset
    		105Tiagra, 105
    Drivetrain
    		2 × 112 × 10
    Brand Site

    trekbikes.com

    trekbikes.com

    Summary
    		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.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    2022 Domane AL 5 Disc
    2021 Domane SL 4
    Other Endurance 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)

    39 mph

    2022 Domane AL 5 Disc

    36 mph

    2021 Domane SL 4

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Domane AL 5 Disc2022 Trek
    Domane SL 42021 Trek
    Frame

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

    BB Standard: BSA, 68mm, Threaded

    Tire Clearance: 35c

    Colors: Lithium Grey / Trek Black; Lithium Grey to Crimson Fade; Factory Orange / Lithium Grey

    Size: 44, 47, 500 Series OCLV Carbon, front and rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142x12 mm thru axle; Size: 58, 60, 500 Series OCLV Carbon, front and rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142x12 mm thru-axle

    BB Standard: BSA, 68mm, Threaded

    Tire Clearance: 35c

    Colors: Lithium Grey / Trek Black; Lithium Grey to Crimson Fade; Factory Orange / Lithium Grey

    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, mudguard mounts, flat-mount disc, 12x100 mm 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, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length; Size: 47, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length; Size: 50, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length; Size: 52, 54, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length; Size: 56, 58, Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length; Size: 60, 62, Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm 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, 31.8 mm, 81 mm reach, 118 mm drop, 36 cm width; Size: 50, Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width; Size: 52, Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width; Size: 54, 56, Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42 cm width; Size: 58, 60, 62, Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44 cm 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, 138 mm 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, Bontrager aluminium internal seat mast cap, 10 mm offset, short length; Size: 44, 47, 50, 52, 54, 56, Bontrager carbon internal seat mast cap, integrated light mount, 20 mm offset, short length; Size: 58, 60, 62, Bontrager carbon internal seat mast cap, integrated light mount, 20 mm 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

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

    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, 21 mm width, Presta valve

    Spokes

    14g stainless steel

    14 g stainless steel, black

    Front Hub

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

    Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle

    Rear Hub

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

    Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle

    Tires

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

    Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm

    Disc Rotors

    Shimano SM-RT70, centerlock, 160mm

    Shimano RT70, CentreLock, 160 mm

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