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Carbon endurance road bike Trek Domane SL 7 Gen 4 Ultegra Di2 dark star to bronze age fade 12-speed

Carbon endurance road bike Trek Domane SL 7 Gen 4: Ultegra Di2, Aeolus Pro 51 wheels, IsoSpeed, 8.42 kg in 56

£4,535.67 Incl. Tax

~~£4,952.64~~ MSRP

Recommended supplier selling price in 2026

Color

Black

Size

47cm
50cm
52cm
54cm
58cm

Size charts

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Trek Domane SL 7 Gen 4: Ultegra Di2 speed, with added comfort

The Trek Domane SL 7 Gen 4 is the most refined of our Domane SL bikes of this generation: OCLV Series 500 carbon frame with rear IsoSpeed, Shimano Ultegra Di2 2x12 and Bontrager Aeolus Pro 51 carbon wheels, for 8.42 kg in size 56. Its Dark Star to Bronze Age Fade colourway, an intense black that melts into bronze, highlights its aerodynamic lines. A bike for the sportive rider chasing a time who refuses to suffer on bad roads.

Technical specifications

Frame	OCLV Series 500 carbon, rear IsoSpeed, Kammtail tubes, threaded T47 bottom bracket, tyres up to 38 mm (35 mm with mudguards)
Fork	Domane SL carbon, tapered steerer, internal hose routing, mudguard mounts, Flat Mount, 12x100 mm thru axle
Drivetrain	Shimano Ultegra R8150 Di2 2x12, R8100 50/34 chainset (crank length depends on size), 11-34 cassette, Shimano XT chain, BT-DN300 battery
Brakes	Flat Mount discs, Shimano CL800 160 mm Centerlock rotors
Wheels / tyres	Bontrager Aeolus Pro 51 carbon / Kwaremont Pro 700x32 mm Tubeless Ready
Cockpit	Bontrager Comp alloy handlebar (width depends on size), Trek RCS Pro -7° stem (length depends on size)
Saddle / seatpost	Verse Short Comp 145 mm / KVF aero carbon post, 20 mm offset (length depends on size)
Integration	Down tube storage, internal cable routing, 3S chain keeper
Weight	8.42 kg in size 56 (Trek figure, with tubeless sealant)

At a glance

✓ OCLV 500 carbon with rear IsoSpeed	✓ Shimano Ultegra Di2 2x12
✓ Aeolus Pro 51 carbon wheels	✓ Aerodynamic Kammtail tubes
✓ Integrated storage, 38 mm tyres max.	✓ 8.42 kg in size 56

Who is it for?

For the sportive rider aiming for a time at their favourite events, the strong rider who takes turns on the front of the group, or the experienced cyclist replacing an overly stiff race bike. Offered here in 47, 50, 52, 54 and 58, it covers riders from 152 to 185 cm.

The LVR workshop view

OCLV carbon, Trek's signature. The acronym refers to an in-house moulding technique used since 1992: by pressing and heating the fibres, Trek reduces to a minimum the internal voids that would weaken the frame. The series number reflects how efficient the layup is; the higher it climbs, the less material is needed to reach the target stiffness. This Domane comes with the Trek lifetime warranty on the frame.

	OCLV 500 (Domane SL)	OCLV 900 (Domane SLR)
Where you find it	All Domane SL models, up to the SL 7	Domane SLR models only
Construction	OCLV compaction, slightly thicker layup	Rigid 3D moulding, limited overlaps
Benchmark (Gen 5 frame, ML)	approx. 1,055 g	approx. 835 g unpainted
Result	Durable frame, big price difference	About 220 g saved; up to 20 % stronger than OCLV 800

With the Aeolus Pro 51 wheels and Kammtail tubes, this Domane holds its speed on the long false flats around Béziers and picks up effortlessly out of roundabouts. The 51 mm rims do, however, require a little care when the tramontane blows across, especially on bridges and exposed ridges.

Ultegra Di2 differs from 105 Di2 in its lighter parts, an XT chain and CL800 rotors: the gain is felt mainly in the finesse of the shifts and in how it holds up season after season. We set up the drivetrain on the stand before handover, then check chain and pad wear at every service, a key point when you ride fast and often.

Which Domane should you choose?

Model	Frame	Drivetrain	Wheels	Weight (size)
Domane SL 5 Gen 4	OCLV 500, IsoSpeed, 38 mm max.	Shimano 105 mechanical	Aluminium	9.09 kg (56)
Domane SL 6 Gen 4	OCLV 500, IsoSpeed, 38 mm max.	Shimano 105 Di2	Carbon 35 mm	8.89 kg (56)
Domane SL 7 Gen 4	OCLV 500, IsoSpeed, 38 mm max.	Shimano Ultegra Di2	Carbon 51 mm	8.42 kg (56)
Domane SL 7 AXS 1x (Gen 5)	OCLV 500, no IsoSpeed, 40 mm max.	SRAM Force XPLR 1x13 + power meter	Carbon 51 mm	8.14 kg (ML)

Our take: the SL 7 Gen 4 keeps IsoSpeed, integrated storage and Ultegra Di2 in 2x12; the Gen 5 SL 7 AXS 1x moves to SRAM 1x13 with a power meter, weighs 8.14 kg in ML against 8.42 kg in 56 and takes 40 mm tyres. Compared with the SL 6 Gen 4, you save 470 g and get deeper rims.

LVR sizing advice

Sizes available in this colour: 47, 50, 52, 54 and 58. Between two sizes, the larger one gives a more stretched-out position, the smaller one a livelier bike.

Size	47	50	52	54	58
Rider height (cm)	152-158	158-163	163-168	168-174	180-185
Inseam (cm)	71-75	74-77	76-79	78-82	84-87
Cranks (mm)	165	165	170	170	172.5
Handlebar (cm) / stem (mm)	36 / 70	38 / 80	38 / 90	40 / 90	40 / 100

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

Your questions

Fast enough for racing?	For sportives, yes; in bunch racing, a Madone will be more aggressive.
51 mm rims and wind?	They need some attention in strong crosswinds, nothing more.
Why not Gen 5?	Gen 4 keeps IsoSpeed and 2x12 Di2; Gen 5 is lighter, in 1x13.
What maintenance does Di2 need?	A charge now and then and an update at the annual service.

The LVR Cycles verdict

The sharpest Domane of this generation, combining 51 mm wheels and Ultegra Di2 without losing the comfort of IsoSpeed. We recommend it to the demanding sportive rider who wants a fast bike for years to come.

Pros
+ Precise, durable Ultegra Di2
+ Aeolus Pro 51 carbon wheels
+ 8.42 kg in 56 with IsoSpeed

Cons
- Deep rims sensitive to crosswinds
- Alloy handlebar at this level
- Stock tyres in 32 mm

Why buy from LVR Cycles? Based in Béziers, we check the build of your Domane SL 7 Gen 4, set up the Ultegra Di2, welcome you for a bike fit and remain your workshop from then on.

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-5337850

Data sheet