Trek Domane AL 2 Gen 4 Disc Claris Road Bike

The 2025 Trek Domane AL 2 Gen 4 Road Bike is a speedy and versatile performance road bike that's a perfect starting point for anyone looking to get into road riding. The Domane AL 2 is perfect for group rides, fast commutes and even venturing beyond tarmac roads to most gravel roads.

The generation 4 Domane AL is built around a 100 Series Alpha Aluminium frame with advanced tube shaping for high-end looks and ride quality. It has the endurance geometry which the Domane bikes are known for which means more stable handling and more comfort over long distances. The gen 4 bikes also comes with bigger tyre clearance of up to 38mm so you can fit grippier tyres if you are going to spend more time on gravel. It comes fitted with 32 mm tubeless-ready road tyres for added cushion and flared handlebars for extra control and stability.

The Domane AL 2 comes with a Shimano Claris 8-speed groupset, simple cable operated disc brakes for all-weather stopping and super-durable wheels. Rack, mudguard and top tube mounts make it easy to carry all the gear you'll need for commuting or weekend adventures.

FEATURES

Versatile and smooth ride that's a perfect choice for your first performance road bike

Room for bigger tyres let you ride everything from smooth tarmac to most gravel roads in comfort.

Internal cable routing and an integrated cockpit provides premium looks and a clean aesthetic

Rack, mudguard and top tube mounts make it easy to carry all the gear you'll need

Powerful disc brakes allow for super-fast stopping power in all conditions

SIZE GUIDE

58cm L Frame 180 - 185cm Height

SPECIFICATIONS

Frame: 100 Series Alpha Aluminium, tapered head tube, internal cable routing, mudguard mounts, flat-mount disc, UDH, 142 × 12 mm thru axle

Fork: Domane AL full carbon, tapered carbon steerer, internal brake routing, fender mounts, flat-mount disc, 12 × 100 mm thru axle

Shifter: Shimano Claris ST-R2000

Front derailleur: Shimano Claris R2000, 31.8 mm clamp

Rear derailleur: Shimano Claris R2000, medium cage, maximum sprocket 34T

Crank: Shimano RS200, 50/34 compact

Bottom bracket: Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle

Cassette: Shimano CS-HG31, 11–32T, 8-speed

Chain: Shimano Sora HG71, 8-speed

Hub front: Formula RX-512 alloy, 6-bolt, 100 × 12 mm thru axle

Skewer front: Bontrager Switch thru axle, removable lever

Hub rear: Formula RX-142 alloy, 6-bolt, Shimano freehub, 142 × 12 mm thru axle

Skewer rear: Bontrager Switch thru axle

Rim: Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm internal width, Presta valve

Spokes: 14 g stainless steel, black

Tyre: Bontrager R1 Hard-Case Lite, wire bead, 60 TPI, 700 × 32 mm

Max tyre size: 38 mm without mudguards, 35 mm with mudguards

Saddle: Verse Short, steel rails, 145 mm width

Seatpost: Bontrager Comp, 6061 aluminium, 27.2 mm diameter, 8 mm offset

Handlebar: Bontrager Comp, alloy, 31.8 mm clamp

Handlebar tape: Bontrager Supertack Perf

Stem: Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7°

Brake: Tektro C550 mechanical disc brake, dual-piston, flat mount

Brake rotor: Tektro Wave, 6-bolt, 160 mm

Rotor size: Maximum brake rotor size 160 mm front and rear

Weight: Size 56 – 10.55 kg / 23.26 lb