Trek Domane AL 5 Gen 4

Trek Domane AL 5 Gen 4 Overview

The Trek Domane AL 5 Gen 4 is an aluminum gravel bike built with a 100 Series Alpha Aluminum frame, tapered head tube, internal routing, fender mounts, flat mount disc fitting, UDH, and 142x12mm thru axle. It uses a Domane AL carbon fork with a tapered carbon steerer, internal brake routing, fender mounts, flat mount disc fitting, and 12x100mm thru axle.

The Shimano 105 drivetrain includes Shimano 105 R7120 12-speed shifters, Shimano 105 R7100 front derailleur, Shimano 105 R7100 rear derailleur, a Shimano 105 R7100 50/34 crank, Shimano 105 7101 11-34 12-speed cassette, and Shimano SLX M7100 12-speed chain. Braking is handled by Shimano 105 hydraulic disc brakes with Shimano RT70 160mm centerlock rotors.

The wheel system uses Bontrager alloy sealed bearing hubs, Bontrager Paradigm SL Tubeless Ready rims, 14g stainless steel spokes, and Bontrager R1 Hard-Case Lite 700x32mm tires. The build is finished with a Verse Short saddle, Bontrager Comp alloy seatpost, Bontrager Comp alloy handlebar, Bontrager Elite stem, and Trek EcoTack handlebar tape.

Key Features of Trek Domane AL 5 Gen 4

• 100 Series Alpha Aluminum frame includes internal routing, fender mounts, UDH, flat mount disc fitting, and 142x12mm thru axle.
• Domane AL carbon fork uses a tapered carbon steerer, internal brake routing, fender mounts, and 12x100mm thru axle.
• Shimano 105 12-speed drivetrain uses a 50/34 crank and 11-34 cassette.
• Shimano 105 hydraulic disc brakes are paired with Shimano RT70 160mm centerlock rotors.
• Bontrager Paradigm SL Tubeless Ready rims use a 21mm width, 24-hole drilling, and Presta valve.
• Bontrager R1 Hard-Case Lite 700x32mm tires use a wire bead and 60 tpi casing.
• Bontrager Comp alloy handlebar and Bontrager Elite stem come in size-specific dimensions.
• The frame and fork include fender mounts for added setup options.

Ride Use

The Trek Domane AL 5 Gen 4 is built for gravel riding. Its aluminum frame, carbon fork, 700x32mm tires, Shimano 105 12-speed drivetrain, hydraulic disc brakes, and fender mounts match the needs of this riding category. The Tubeless Ready rims and thru axle frame and fork complete the stated gravel-focused setup.

Why Choose This Bike

Choose the Trek Domane AL 5 Gen 4 for a gravel bike with a 100 Series Alpha Aluminum frame, Domane AL carbon fork, Shimano 105 12-speed drivetrain, Shimano 105 hydraulic disc brakes, and Bontrager Paradigm SL Tubeless Ready rims. The build includes Bontrager R1 Hard-Case Lite 700x32mm tires, fender mounts, internal routing, UDH, size-specific Bontrager cockpit parts, and a Verse Short saddle. It comes in Matte Trek Black and Lichen Green, with a size 56 weight of 9.85 kg / 21.72 lbs. Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek’s limited warranty.