Trek Trek Domane AL 5 Gen 4 2027 Road Bike

The Trek Domane AL 5 Gen 4 is a high-performance aluminium endurance road bike built for riders who want the comfort of an endurance geometry with the efficiency of Shimano's renowned 105 groupset. Its lightweight 100 Series Alpha Aluminium frame is paired with a full carbon fork to smooth out road vibrations, while generous tyre clearance and hidden mudguard mounts make it equally capable on long road rides, sportives and light gravel adventures. Internal cable routing and clean frame integration complete a modern, refined design that's ready for big miles in all conditions.

Shimano's 105 2x12 drivetrain delivers crisp, reliable shifting across a wide gear range, while powerful Shimano hydraulic disc brakes provide confident braking in all weather. Bontrager Paradigm SL tubeless-ready wheels are matched with Bontrager R1 Hard-Case Lite tyres for dependable grip and durability. Comfortable finishing kit from Bontrager rounds out a capable endurance package designed for riders who want speed, versatility and all-day comfort.

Key Features

• 100 Series Alpha Aluminium frame with endurance geometry and full carbon fork


• Shimano 105 2x12 drivetrain for smooth, dependable shifting


• Shimano 105 hydraulic disc brakes for confident all-weather stopping power


• Bontrager Paradigm SL tubeless-ready wheelset


• Bontrager R1 Hard-Case Lite 700x32mm 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 105 R7100, braze-on


• Rear derailleur: Shimano 105 R7100, 36T max cog


• Shifters: Shimano 105 R7120, 12-speed


• Bottom bracket: Shimano RS501, 68mm, threaded external bearing


• Crankset: Shimano 105 R7100, 50/34T


• Cassette: Shimano 105 R7101, 11-34T, 12-speed


• Chain: Shimano M6100, 12-speed


• Number of gears: 24

Brakes

• Brake: Shimano 105 hydraulic 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: 709043