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Carbon endurance road bike Trek Domane SLR 9 AXS RED serpentine 12-speed

Carbon endurance road bike Trek Domane SLR 9 AXS for the mountains: 48/35 and 10-36, power meter, 7.29 kg

£8,755.30 Incl. Tax

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Trek Domane SLR 9 AXS: easy gearing for the big cols

Thanks to its 48/35 and 10-36 cassette, the Trek Domane SLR 9 AXS Gen 5 makes steep gradients more manageable than a classic 50/34, while weighing 7.29 kg in size ML. OCLV Series 900 frame, SRAM RED AXS E1 2x12 drivetrain with power meter and Aeolus RSL 51 wheels complete a very well-balanced package. The Serpentine paint features a dark red and a brilliant red, giving the frame plenty of character.

Technical specifications

Frame	OCLV Series 900 carbon, internal cable routing, bag and mudguard mounts, UDH, threaded T47, tyres up to 40 mm (35 mm with mudguards)
Fork	Domane SLR carbon, tapered steerer, carbon dropouts, mudguard mounts, Flat Mount, 12x100 mm thru axle
Drivetrain	Wireless SRAM RED AXS E1 2x12, 48/35 DUB chainset with power meter, XG-1290 10-36 cassette
Brakes	Flat Mount hydraulic discs, SRAM Paceline X 160 mm Centerlock rotors
Wheels / tyres	Bontrager Aeolus RSL 51 carbon / Kwaremont RSL 700x35 mm Tubeless Ready, 320 tpi
Cockpit	Bontrager Pro Riser carbon handlebar (20 mm rise, 70 mm reach), Trek RCS Pro -7° stem, dimensions depend on size
Saddle / seatpost	Verse Short Pro carbon rails 145 mm / Bontrager RSL carbon 27.2 mm, 5 mm offset
Weight	7.29 kg in size ML (Trek figure, with inner tubes)
Max. weight	125 kg (rider, bike and kit)

At a glance

✓ OCLV 900 carbon, frame and fork	✓ Wireless SRAM RED AXS E1 2x12
✓ Integrated power meter	✓ Aeolus RSL 51 carbon wheels
✓ 48/35 and 10-36 gearing	✓ 7.29 kg in size ML

Who is it for?

For the cyclist who loves the mountains but refuses to finish climbs in agony: the low 35x36 gear lets you spin where others are out of the saddle. It suits the sportive rider targeting events with lots of climbing who wants to pace their effort in watts on every climb.

The LVR workshop view

OCLV carbon, Trek's signature. For a bike that climbs, the frame is the first source of lightness. OCLV 900 builds on Trek's historic process, compacting the layers under heat and pressure as it has since 1992, and adds rigid 3D moulding with limited overlaps. The Domane frame thus drops to approx. 835 g unpainted in ML, about 220 g below the OCLV 500 version, with up to 20 % more strength than the previous OCLV 800. The RED groupset and RSL wheels complete the weight saving compared with the SLR 7 AXS.

	OCLV 900 (Domane SLR)	OCLV 500 (Domane SL)
Level	Trek's most advanced carbon	Entry-level carbon of the road range
Construction	Rigid 3D moulding, reduced fibre overlaps	More generous layup with more material
Gen 5 Domane frame	approx. 835 g (unpainted, size ML)	approx. 1,055 g
What it means	Frame about 220 g lighter and up to 20 % stronger than OCLV 800	Heavier frame, same Trek lifetime warranty

On the long climbs of the Caroux or towards the Pic de Nore, the power meter helps you keep a steady effort rather than going by feel, which is often misleading at the start of a col. On descents, the stiff front end and 160 mm rotors inspire confidence in tight hairpins.

The power meter housed in the RED chainset is this version's main asset, with no parts to add. The 48/35 and 10-36 cassette also offer more flexibility on climbs than the 50/34 and 11-34 of the Shimano SLR 9. Before handover, we pair the shifters and power meter with your computer.

Which Domane should you choose?

Model	Carbon	Drivetrain	Wheels	Weight (ML)
Domane SLR 7	OCLV 900	Shimano Ultegra Di2 2x12	Aeolus Pro 51	7.66 kg
Domane SLR 9	OCLV 900	Shimano Dura-Ace Di2 2x12	Aeolus RSL 51	7.34 kg
Domane SLR 9 AXS	OCLV 900	SRAM RED AXS 2x12 + power meter	Aeolus RSL 51	7.29 kg
Domane SLR 9 AXS 1x	OCLV 900	SRAM RED XPLR AXS 1x13 + power meter	Aeolus RSL 37	6.63 kg
Domane SLR 9 AXS No. 76	OCLV 900	SRAM RED AXS 2x12 + power meter	Aeolus RSL 37	7.19 kg

Our take: the SLR 9 AXS weighs 50 g less than the Shimano SLR 9 (7.29 against 7.34 kg) and adds power measurement. To save another 660 g, you have to accept the 1x13 and 28 mm tyres of the SLR 9 AXS 1x.

LVR sizing advice

Between two sizes, take the smaller one for agility, the larger one if you mainly ride for long hours. Handlebar, stem and cranks follow the size.

Size	XS	S	M	ML	L	XL
Rider height (cm)	143-158	158-162	162-173	173-179	179-188	188-199
Inseam (cm)	67-74	74-76	76-81	81-84	84-88	88-100
Cranks	160	160	165	165	170	170
Handlebar / stem	36 / 80	38 / 90	40 / 100	40 / 110	42 / 110	42 / 120

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

Your questions

Easier gearing than Dura-Ace?	Yes: 35x36 as the lowest gear, against 34x34 on the Shimano SLR 9.
Is power useful on a col?	Yes, it stops you going off too hard and helps you hold a steady pace.
Built for the high mountains?	Yes, 7.29 kg and easy gearing for long climbs.
Charging the drivetrain?	Removable SRAM AXS batteries, supplied with their charger.

The LVR Cycles verdict

The Domane that makes the mountains more accessible, with easy gearing and power data to pace yourself on every col. Our recommendation for the sportive rider who lines up events with lots of climbing.

Pros
+ Power meter as standard
+ 48/35 and 10-36 easy on climbs
+ Wireless drivetrain, no cables to adjust

Cons
- Batteries to keep an eye on
- 51 mm rims sensitive to wind
- Less aggressive position than a race bike

Why buy from LVR Cycles? Our Béziers team prepares the bike, sets up the AXS derailleurs and brakes, then welcomes you for every service.

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-5350092

Data sheet