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Aluminium road race bike Trek Émonda ALR 5 105 slate prismatic/black prismatic fade 12-speed

Aluminium road race bike Trek Émonda ALR 5: Alpha 300 alloy, Shimano 105 2x12, hydraulic brakes, 9.17 kg in 56

€2,049.00 Incl. Tax

~~€2,209.00~~ MSRP

Recommended supplier selling price in 2026

Color

Gris et Noir

Size

52cm
58cm
60cm

Size charts

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Description
Product Details

Trek Émonda ALR 5: the aluminium bike that rides like carbon

The Trek Émonda ALR 5 is a race bike with an Alpha Series 300 aluminium frame built using Invisible Weld technology, paired with a full-carbon fork and Shimano 105 2x12, for 9.17 kg in size 56. Its H1.5 race geometry puts the rider lower than on a Domane, for lively, precise handling in the bunch. Its Slate Prismatic/Black Prismatic Fade colourway shifts from an iridescent slate grey to a deep black.

Technical specifications

Frame	Ultralight Alpha Series 300 aluminium, Invisible Weld, tapered head tube, internal cable routing, Flat Mount, 142x12 mm thru axle
Fork	Émonda ALR full carbon, carbon tapered steerer, Flat Mount, 12x100 mm thru axle
Drivetrain	Shimano 105 R7100 2x12, 11-34 cassette, 12-speed chain (chainset not specified in our data)
Brakes	Flat Mount hydraulic disc brakes, Shimano RT70 Centerlock 160 mm rotors
Wheels / tyres	Models not specified in our data; 28 mm maximum tyre clearance
Cockpit	Bontrager Comp alloy handlebar, width depends on size; Bontrager Elite 7° stem, length depends on size
Saddle / seatpost	Bontrager Aeolus Elite 145 mm, austenite rails / Bontrager Comp alloy 27.2 mm
Weight	9.17 kg in size 56 (manufacturer figure, with inner tubes)

At a glance

✓ Alpha 300 alloy, Invisible Weld	✓ Shimano 105 2x12, 11-34 cassette
✓ Full-carbon fork	✓ Hydraulic disc brakes
✓ H1.5 race geometry	✓ 9.17 kg in size 56

Who is it for?

For the young racer or club rider who wants a responsive bike without moving to carbon, the sportive rider who enjoys a lively feel, or the triathlete looking for a light road bike for training. It suits riders who accept a more aggressive position in exchange for agility.

The LVR workshop view

Alpha aluminium, Trek's expertise. The Émonda ALR uses Alpha Series 300, the lightest aluminium in the Trek range, joined with Invisible Weld technology: the welds are smoothed so well that the frame passes for carbon. The tubes have a truncated Kammtail profile and the fork is entirely carbon. This is aluminium designed for speed, whereas the Alpha 100 of the Domane AL focuses first on versatility.

	Alpha 300 (Émonda ALR)	Alpha 100 (Domane AL)	OCLV 500 carbon (Domane SL)
Level	Trek's lightest aluminium	The Domane AL aluminium	Entry-level road carbon
Construction	Invisible Weld, Kammtail tubes	Welded tubes, plenty of mounts	Layers compacted under heat and pressure
Reference bike	Émonda ALR 5: 9.17 kg (size 56)	Domane AL 5: 9.80 kg (size 56)	Domane SL 5 Gen 5: 8.84 kg (size ML)
What it means	Lively and light, race geometry, 28 mm tyres max	Heavier, but mudguards and wider tyres	Lighter, Trek lifetime warranty on the frame

Put simply: this frame is all about responsiveness and clean lines, at the cost of winter mounts and wide tyres. Against the carbon Domane SL 5 (8.84 kg in ML), the Émonda ALR 5 is heavier (9.17 kg in 56) but keeps a more aggressive geometry.

H1.5 geometry sits between the very low position of pro race bikes and the more upright position of the Domane: it remains usable for a reasonably flexible amateur rider. Hydraulic disc brakes need less effort at the lever than cable callipers and give better modulation on technical descents.

When accelerating out of corners in regional races or on the climbs of the Col de Fontjun or the Pic de Nore, its stiffness and modest weight make the difference. On the other hand, the Trek spec sheet does not mention mudguard mounts and tyre clearance stops at 28 mm: this is a fair-weather, tarmac bike.

Which road bike should you choose?

Model	Material	Drivetrain	Wheels	Weight (size)
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)
Émonda ALR 5	Alpha 300	Shimano 105 2x12 mechanical	n/a	9.17 kg (56)
Domane SL 5 Gen 5	OCLV 500 carbon	Shimano 105 mechanical	Aluminium	8.84 kg (ML)

Our take: the Émonda ALR 5 weighs 630 g less than the Domane AL 5 in size 56 with the same 105, at the cost of mudguards and wide tyres. The carbon Domane SL 5, at 8.84 kg in ML, puts comfort ahead of a race position.

LVR sizing advice

The race geometry is lower than a Domane: between two sizes, the smaller one keeps the bar within reach without bending your back too much. Handlebar and stem change with the size.

Size	52	58	60
Rider height (cm)	163-168	180-185	185-190
Inseam (cm)	76-79	84-87	86-90
Handlebar / stem	38 / 90	40 / 100	42 / 110

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

Your questions

Built for racing?	Yes, H1.5 race geometry and stiffness suited to regional races.
Mudguards in winter?	Not provided according to the Trek spec sheet: choose a Domane AL for winter.
30 mm tyres?	No, clearance stops at 28 mm.
Alloy or carbon?	This alloy frame is light and tough; carbon gains in comfort and weight.

The LVR Cycles verdict

A true aluminium race bike, lively and precise, that holds its own against some carbon bikes. We recommend it to racers and riders who like a direct feel.

Pros
+ Light Alpha 300 frame with smoothed welds
+ 12-speed Shimano 105
+ Hydraulic disc brakes

Cons
- No mudguard mounts
- 28 mm tyres maximum
- More demanding position

Why buy from LVR Cycles? As a Trek retailer based in Béziers, we set up your Émonda ALR 5 for performance, with a bike fit tailored to a race position and ongoing workshop support.

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-5337592

Data sheet