Domane AL 5 Gen 4
The Trek Domane AL 5 Gen 4 is a smooth, highly capable road bike engineered for riders who want elite endurance performance without sacrificing all-day comfort. Built around a refined, lightweight Alpha Aluminum frame, it effortlessly pairs a stable ride character with a premium 12-speed drivetrain. Thanks to its generous tire clearance and integrated frame mounts, this versatile machine transitions seamlessly from fast tarmac group rides to rugged daily commutes and light gravel paths.
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Product images may vary slightly from final specifications.
Need to Know
KEY FEATURES
PERFECT FOR
Why we like the Trek Domane AL 5 Gen 4
Workhorse Shimano 105 Drivetrain
The 12-speed Shimano 105 groupset brings pro-level shifting technology down to a real-world budget. You get incredibly tight gear steps for maintaining your cadence on flat roads, plus a generous climbing range for when the hills get brutal.
Multi-Day Versatility
Thanks to the integrated top tube and frame mounts, you can easily load this bike up for weekend bikepacking trips. It handles the extra cargo weight beautifully without losing its predictable, stable steering.
Ergonomic Flare Handlebars
The Bontrager Comp handlebars feature a progressive, size-specific geometry with a comfortable flare in the drops. This gives you a narrower, aerodynamic stance on the hoods for speed, paired with a wider, more stable position for control when descending.
Specifications
Frame Material
100 Series Alpha Aluminum
Shifter
Shimano 105 R7120, 12 speed
Rear Derailleur
Shimano 105 R7100, 36T max cog
Front Derailleur
Shimano 105 R7100, 31.8mm clamp, down swing
Crankset
Shimano 105 R7100, 50/34 (160mm to 170mm length depending on frame size)
Chain
Shimano SLX M7100, 12 speed
Cassette
Shimano 105 7101, 11-34, 12 speed
Brakeset
Flat mount disc
Rotors
Shimano CL700 centerlock rotors, 160mm
Bottom Bracket
Shimano RS501 BSA
Cockpit
Headset
Integrated
Handlebar
Bontrager Comp, alloy, 31.8mm (36cm to 42cm control width depending on frame size)
Stem
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree (70mm to 110mm length depending on frame size)
Saddle
Trek Verse Short Comp
Seatpost
Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset
Wheels
Wheelset
Bontrager Paradigm 23
Front Axle
100x12mm thru axle
Rear Axle
142x12mm thru axle
Hubs
Bontrager alloy, sealed bearing, centerlock disc
Tires
Bontrager Kwaremont Comp Road Tire, 700x32mm
Tire Clearance
38mm
Size Guide
Geometry
| 44cm | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|
All measurements in degrees or mm
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