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Carbon aero road bike Trek Madone SLR 9 AXS 1x RED matte deep smoke 12-speed

Carbon aero road bike Trek Madone SLR 9 AXS 1x matte deep smoke: single-ring RED E1, power meter, 6.40 kg

£9,589.21 Incl. Tax

Color

Black

Size

Size charts

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Trek Madone SLR 9 AXS 1x matte smoked grey: the minimalist Madone

The Trek Madone SLR 9 AXS 1x Gen 8 takes the pursuit of lightness all the way: no front derailleur, a single 48-tooth chainring with power meter and 6.40 kg in size ML. The OCLV Series 900 frame and Aeolus RSL 37 wheels complete this no-frills build. The Matte Deep Smoke colourway, a very dark matte smoked grey, is the one Trek chose to present this model.

Technical specifications

Frame	OCLV Series 900 carbon, Full System Foil tubes, IsoFlow, RCS headset, T47 threaded bottom bracket, UDH hanger, tyres up to 32 mm
Fork	Madone Gen 8 full carbon, carbon tapered steerer, Flat Mount, 12x100 mm thru axle
Drivetrain	SRAM RED E1 single chainring 1x12, 48-tooth chainring with power meter, XG-1290 10-36 cassette
Brakes	SRAM RED AXS E1 hydraulic Flat Mount, Paceline X 160 mm Centerlock rotors
Wheels / tyres	Bontrager Aeolus RSL 37 carbon / Pirelli P Zero Race RS 700x28 mm
Cockpit	Trek Aero RSL one-piece bar/stem in OCLV carbon, Race Fit, width depends on size
Saddle / seatpost	Aeolus RSL carbon rails 145 mm / Madone aero seatpost, 0 mm offset
Weight	6.40 kg in size ML (Trek figure), below the UCI limit of 6.8 kg
Max. weight	125 kg (rider, bike and luggage)

At a glance

✓ OCLV 900 carbon frame and fork	✓ SRAM RED E1 1x12, no front derailleur
✓ 48 chainring with power meter	✓ 10-36 cassette for the cols
✓ Aero RSL one-piece bar/stem	✓ 6.40 kg in size ML

Who is it for?

For the rider who wants a bike that is simple to use, without managing two chainrings, for the climber who rides alone and chooses their own routes, or for anyone who likes stripped-back machines with discreet looks.

The LVR workshop view

OCLV carbon, Trek's signature. For its lightest Madone, Trek did not invent a new frame: it uses the same OCLV Series 900 structure as the other SLR models, and the extra grams disappear elsewhere. The process, used since 1992, involves pressing the carbon plies under heat until the micro-bubbles are driven out; a higher series number reflects a more efficient layup, so less material for the same strength. The painted frame weighs 796 g in ML and is still covered for life.

	OCLV 900 (Madone SLR)	OCLV 500 (Madone SL)	OCLV 800 (Speed Concept)
Level	Trek's most refined carbon	Entry-level road carbon	Trek's former top-end road carbon
Construction	3D moulding, reduced ply overlaps	Same process, more generous lay-up	Proven lay-up, integration comes first
Reference bike	Madone SLR: painted frame 796 g (ML), fork 350 g	Madone SL: painted frame 1,054 g (ML), fork 363 g	Speed Concept SLR: painted frame 1,522 g
What it means	271 g less than the SL on frame and fork; up to 20% stronger than OCLV 800	Same aero shapes, separate bar and stem, gentler budget	Still very high-performing, reserved for triathlon at Trek

Put simply: with the same frame, the 600 g separating this 1x from the double-chainring SLR 9 AXS come from the single-chainring drivetrain, shallower wheels and lighter tyres. It is a climber's build on a familiar base, not a different carbon.

Fewer parts also means less maintenance: with no front derailleur or chainring shifter, the drivetrain comes down to a wireless rear derailleur and a chain. In the workshop, we check chain and cassette wear and update the AXS firmware at each service.

The 48x10 gives enough top speed on the flat, and the 48x36 lets you get over the climbs of the Montagne Noire without going into the red. Bear in mind that this bike, at 6.40 kg, cannot start a UCI race without ballast: it is designed for your personal rides and sportives.

Which Madone should you choose?

Model	Carbon	Drivetrain	Wheels	Weight (size)
Madone SLR 9	OCLV 900	Shimano Dura-Ace Di2	Aeolus RSL 51 carbon	7.05 kg (ML)
Madone SLR 9 AXS	OCLV 900	SRAM RED AXS E1 + power meter	Aeolus RSL 51 carbon	7.00 kg (ML)
SLR 9 AXS ICON editions	OCLV 900	SRAM RED AXS E1 + power meter	Aeolus RSL 65X carbon	6.90 kg (ML)
Madone SLR 9 AXS 1x	OCLV 900	SRAM RED E1 1x12 + power meter	Aeolus RSL 37 carbon	6.40 kg (ML)

Our take: at 6.40 kg, the 1x is 600 g lighter than the SLR 9 AXS and 650 g lighter than the SLR 9 Dura-Ace. In return, the gear steps become coarser: every sprocket counts, especially in a group.

LVR sizing advice

With a single chainring, cadence matters even more: crank length follows the size, so bear it in mind if you are torn between two frames. If in doubt, the smaller size gives a more aggressive position, the larger one more stability on descents.

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 (mm)	165	165	170	170	172.5	172.5
Bar width at the hoods (cm)	35	37	39	39	39	41

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

Your questions

How simple is 1x?	A single shifter, no front derailleur to adjust.
Speed on the flat?	The 48x10 is enough for most fast rides.
Can it race in UCI events?	Only with ballast to 6.8 kg; as it is, it is too light.
AXS battery?	Supplied with its charger; recharge as needed depending on use.

The LVR Cycles verdict

The simplest and lightest Madone, ideal for anyone who rides alone and loves clean, pared-back machines. Its matte smoked grey reinforces this minimalist character.

Pros
+ Clean, simple drivetrain
+ 6.40 kg in size ML
+ Discreet matte smoked grey

Cons
- Not UCI compliant without ballast
- Coarser gear steps

Why buy from LVR Cycles? Our Béziers workshop prepares your 1x Madone, updates the AXS drivetrain and regularly services the chain and cassette.

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-5344439

Data sheet