Trek Trek Domane AL 2 Gen 4 2027 Road Bike

The Trek Domane AL 2 Gen 4 is a versatile endurance road bike designed to deliver comfort, confidence and efficiency on every ride. Built around Trek's lightweight 100 Series Alpha Aluminium frame with endurance geometry, it provides a stable and comfortable riding position that's perfect for long road rides, commuting and weekend adventures. Generous tyre clearance and internal cable routing give the bike a clean finish while allowing riders to tackle everything from smooth tarmac to light gravel with confidence.

A dependable Shimano Claris 2x8 drivetrain delivers smooth shifting across a wide gear range, while mechanical disc brakes provide reliable stopping performance in all weather conditions. Bontrager Paradigm SL wheels are paired with Bontrager R1 Hard-Case Lite tyres for a balance of speed, durability and puncture protection. Whether you're buying your first road bike or upgrading to a capable all-rounder, the Domane AL 2 Gen 4 is built to inspire confidence mile after mile.

Key Features

• 100 Series Alpha Aluminium frame with endurance geometry and internal cable routing


• Shimano Claris 2x8 drivetrain for reliable shifting


• Mechanical disc brakes for dependable all-weather braking performance


• Bontrager Paradigm SL tubeless-ready wheels


• Bontrager R1 Hard-Case Lite 700x32c tyres with puncture protection

Specifications

Frameset

• Frame: 100 Series Alpha Aluminium, invisible weld technology, internal routing, flat mount disc, rack and mudguard mounts, 142x12mm thru axle


• Fork: Domane AL carbon, tapered carbon steerer, internal routing, mudguard mounts, flat mount disc, 12x100mm thru axle


• Headset: FSA IS-2, 1-1/8 top, 1.5 bottom

Wheelset

• Wheelset: Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21mm width, Presta valve

Tyres

• Tyres: Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32mm

Drivetrain

• Front derailleur: Shimano Claris R2000, braze-on


• Rear derailleur: Shimano Claris R2000, long cage, 34T max cog


• Shifters: Shimano Claris R2000, 8-speed


• Bottom bracket: Shimano RS500, 68mm, threaded external bearing


• Crankset: Shimano RS200, 50/34T


• Cassette: Shimano HG31, 11-32T, 8-speed


• Chain: Shimano Sora HG71, 8-speed


• Number of gears: 16

Brakes

• Brake: Tektro C550 mechanical disc brakes with 160mm rotors

Finishing Kit

• Stem: Bontrager Comp, 31.8mm, Blendr compatible, 7-degree rise


• Handlebar: Bontrager Comp, alloy, 31.8mm clamp


• Bar tape: Bontrager Supertack Perf tape


• Saddle: Verse Short, steel rails


• Seatpost: Bontrager alloy, 27.2mm, 8mm offset

Domane Sizing

Product code: 708883