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Alpha Series 100 aluminium frame, carbon fork, Shimano Claris 2x8 and disc brakes: the Trek Domane AL 2 Gen 4 weighs 10.35 kg in size 56 and isn't afraid of the bad season. Its front and rear mudguard mounts make it a training bike you take out even when the road is wet. The Fury Red colour, a bold, bright red, can be spotted from afar in the grey light of December.
| Frame | Alpha Series 100 aluminium, tapered head tube, internal cable routing, mudguard mounts, UDH hanger, 142x12 mm thru axle |
| Fork | Domane AL full carbon (carbon tapered steerer), mudguard mounts, Flat Mount, 12x100 mm thru axle |
| Drivetrain | Shimano Claris R2000 2x8, Shimano RS200 50/34 chainset, HG31 11-32 cassette |
| Brakes | Tektro dual-piston mechanical disc, Flat Mount, Tektro 160 mm rotors |
| Wheels / tyres | Formula hubs, Bontrager Paradigm 23 Tubeless Ready rims / Kwaremont Comp Hard-Case Lite 700x32 mm |
| Cockpit | Bontrager Comp alloy handlebar, width depends on size; Bontrager Elite 7° stem, Blendr compatible |
| Saddle / seatpost | Verse Short Comp 145 mm / Bontrager Comp alloy 27.2 mm, length depends on size |
| Weight | 10.35 kg in size 56 (Trek figure) |
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At a glance
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For the novice cyclist who wants to keep up the pace from October to March, the club member looking for an inexpensive winter bike alongside their summer bike, or anyone who rides early in the morning and wants to be seen. It also works very well as a second bike for the turbo trainer.
Alpha aluminium, Trek's expertise. The Domane AL 2 is built on Alpha Series 100 aluminium, exactly the same frame as the Domane AL 4 and AL 5: the bike can therefore evolve with you, component by component. Trek pairs it with a full-carbon fork that lightens the front end, and the latest redesign took about 250 g off the frame and fork compared with the old disc-brake Domane AL. Internal cable routing, tapered head tube and 12 mm thru axles: these are standards found on much more expensive bikes.
| Alpha 100 (Domane AL) | Alpha 300 (Émonda ALR) | OCLV 500 carbon (Domane SL) | |
| Level | The Domane AL aluminium | Trek's lightest aluminium | Entry-level road carbon |
| Construction | Welded tubes, carbon fork, plenty of mounts | Invisible Weld technology, the look of a carbon frame | Layers compacted under heat and pressure |
| Reference bike | Domane AL 2: 10.35 kg (size 56) | Émonda ALR 5: 9.17 kg (size 56) | Domane SL 5 Gen 5: 8.84 kg (size ML) |
| What it means | Mudguards possible, versatility, sensible budget | Livelier and lighter, 28 mm tyres max | Lighter still, Trek lifetime warranty on the frame |
Put simply: Alpha 100 favours toughness and versatility over chasing grams. The Alpha 300 of the Émonda ALR lightens the bike but gives up mudguards, and the OCLV 500 carbon of the Domane SL only really becomes worthwhile for a cyclist who already rides a lot.
In winter, aluminium has a practical advantage: it copes easily with salt, flying gravel and hosing down, provided you dry the drivetrain properly. Disc brakes keep their bite through puddles, whereas rim brake pads wear the wheels; the 12 mm thru axles also make removal easier for transport.
Fitted with mudguards, the Domane AL 2 handles damp mornings on the road to Le Somail or club rides towards Capestang very well, where the winter tramontane quickly chills you. We recommend fitting tubeless tyres to limit punctures and having the drivetrain serviced at the end of winter.
| Model | Material | Drivetrain | Wheels | Weight (size) |
| Domane AL 2 | Alpha 100 | Shimano Claris 2x8 | Paradigm 23 alloy | 10.35 kg (56) |
| Domane AL 4 | Alpha 100 | Shimano Tiagra 2x11 | Paradigm 23 alloy | 10.10 kg (56) |
| Domane AL 5 | Alpha 100 | Shimano 105 2x12 mechanical | Paradigm 23 alloy | 9.80 kg (56) |
| Domane SL 5 Gen 5 | OCLV 500 carbon | Shimano 105 mechanical | Aluminium | 8.84 kg (ML) |
Our take: as a winter bike, the AL 2 at 10.35 kg in size 56 does the job; the AL 5, 550 g lighter with 12 speeds, becomes worthwhile if this bike also has to serve as your main bike.
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LVR sizing advice Between two sizes, take the smaller one if you are a beginner: the position will be more compact and reassuring. Handlebar and stem grow with the frame.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| The ideal winter bike? | Yes: mudguard mounts, disc brakes and a tough alloy frame. |
| On a turbo trainer? | Yes, the 142x12 mm thru axle is compatible with most models. |
| Is the red visible at night? | It helps by day; at night, front and rear lights remain essential. |
| Winter maintenance? | Clean, dry and lube the chain after every wet ride. |
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The LVR Cycles verdict An honest winter training bike that you won't hesitate to get dirty. Its bright red makes it as visible as it is desirable.
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Why buy from LVR Cycles? In Béziers, our workshop fits mudguards and tubeless tyres to your Domane AL 2 and offers an end-of-winter service so you can set off again in spring.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References