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Aluminium endurance road bike Trek Domane AL 4 Tiagra lavender haze 11-speed

Aluminium endurance road bike Trek Domane AL 4 for long rides: Tiagra 2x11, 32 mm tyres, 10.10 kg in 56

£1,250.04 Incl. Tax

Color

Purple

Size

Size charts

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Trek Domane AL 4 lavender haze: further, for longer

Designed for long days in the saddle, the Trek Domane AL 4 Gen 4 combines an Alpha Series 100 aluminium frame, a carbon fork and a Shimano Tiagra 2x11 groupset, for 10.10 kg in size 56. Its endurance geometry and 32 mm tyres reduce fatigue as the kilometres pile up. Its Lavender Haze colour, a soft lavender mauve, adds a fresh touch to a bike made for sporty touring.

Technical specifications

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 Tiagra R4000 2x11, 50/34 chainset, Shimano RS400 11-36 cassette, LG500 chain
Brakes	Flat Mount disc brakes, Shimano RT66 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	10.10 kg in size 56 (Trek figure)

At a glance

✓ Alpha 100 alloy frame, carbon fork	✓ Shimano Tiagra 2x11
✓ 11-36 cassette for the cols	✓ 32 mm tyres, Tubeless Ready rims
✓ Mudguard mounts	✓ 10.10 kg in size 56

Who is it for?

For the cycle tourist who strings together audaxes and organised rides, the cyclist who sets off for the day to explore the hinterland, or the rider preparing her first very long-distance outing. It suits those who judge a bike by how fresh they feel at the end of the route rather than by the clock.

The LVR workshop view

Alpha aluminium, Trek's expertise. Under the Domane AL 4, Trek uses its Alpha Series 100 alloy, chosen to withstand everyday use and accept mudguards, a top tube bag or wider tyres. The fork is carbon, steerer included, which softens the steering on rough surfaces. Universal UDH derailleur hanger and thru axles: spare parts are easy to find, a detail that matters on the day of a crash.

	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 4: 10.10 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

The key point: at this level of the range, the weight difference with Alpha 300 comes down to tube design and mounts, not to a difference in quality. In return, Alpha 100 accepts winter equipment, which the Émonda ALR doesn't cater for.

Over long distances, the contact points make the difference: the short-nosed 145 mm Verse Short Comp saddle limits chafing, and the Comp handlebar offers several hand positions to relieve your wrists. The top tube mount takes a bag for your bars and windproof jacket.

A loop to Lac du Salagou and on to the Cirque de Mourèze, or a ride through the vineyards to Olonzac, asks as much of your back as of your legs: this is where the upright position of the Domane AL 4 really makes sense. For this kind of ride, we recommend converting the Paradigm 23 rims to tubeless for greater peace of mind.

Which road bike should you choose?

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: for long days out, the AL 4 brings 11 speeds and 250 g less than the AL 2; the AL 5 saves another 300 g, but the difference is mainly felt on very mountainous routes.

LVR sizing advice

If you are unsure, the smaller size gives livelier steering, the larger one more stability on long descents. Cranks, handlebar and stem follow the size.

Size	44	49	52	54	56	58	61
Rider height (cm)	150-153	156-163	163-168	168-174	174-180	180-185	185-191
Inseam (cm)	71-73	74-77	76-79	78-82	81-85	84-87	86-90
Cranks (mm)	165	165	165	165	165	170	170
Handlebar / stem	36 / 70	38 / 80	38 / 90	40 / 90	40 / 100	40 / 100	42 / 110

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

Cut out for audaxes?	Yes, its endurance geometry limits fatigue on long days.
Carrying kit?	A top tube bag fixes directly to the frame.
Comfortable saddle?	The Verse Short Comp suits many riders; we swap it if needed.
Wider tyres?	The frame leaves some room beyond the stock 32 mm, to be checked in the workshop.

The LVR Cycles verdict

A Domane that makes you want to extend your routes, without the price of carbon. Its lavender mauve makes it a sporty touring bike with plenty of personality.

Pros
+ Comfortable position for hours on end
+ Top tube bag mount
+ Distinctive lavender colour

Cons
- 10.10 kg in size 56
- Wheels to lighten to go further

Why buy from LVR Cycles? At LVR Cycles in Béziers, a bike fit helps you set up your Domane AL 4 for long distances, and the workshop looks after it season after season.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5345604

Data sheet