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Carbon aero road bike Trek Madone SL 6 105 Di2 gloss dark star/matte deep smoke 12-speed

Carbon aero road bike Trek Madone SL 6 dark star for long distances: IsoFlow, 105 Di2, 8.16 kg

£3,585.01 Incl. Tax

Color

Black

Size

Size charts

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Description
Product Details

Trek Madone SL 6 dark star: fast over long distances

The Trek Madone SL 6 Gen 8 combines the aerodynamics of a race bike, the comfort of IsoFlow and electronic Shimano 105 Di2 2x12, with Aeolus Elite 50 carbon wheels, for 8.16 kg in size ML. A bike designed to eat up the miles, fast and for a long time. The Gloss Dark Star/Matte Deep Smoke colourway pairs a deep gloss black with a very understated matt smoked grey.

Technical specifications

Frame	OCLV Series 500 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	Shimano 105 R7150 Di2 electronic 2x12, 105 50/34 chainset, 11-34 cassette, Shimano BT-DN300 battery
Brakes	Shimano 105 hydraulic disc brakes, Flat Mount callipers
Wheels / tyres	Bontrager Aeolus Elite 50 carbon / Bontrager Aeolus Pro 700x28 mm Tubeless Ready
Cockpit	Bontrager Comp alloy handlebar, Trek RCS Pro -7° stem, lengths depend on size, internal cable routing
Saddle / seatpost	Bontrager Aeolus Elite 145 mm / Madone aero seatpost, 0 mm setback
Weight	8.16 kg in size ML (Trek figure)
Max. weight	125 kg (rider, bike and luggage)

At a glance

✓ OCLV 500 carbon, IsoFlow	✓ Electronic Shimano 105 Di2 2x12
✓ Aeolus Elite 50 carbon wheels	✓ 28 mm tyres, 32 mm clearance
✓ 11-34 cassette, 50/34 chainset	✓ 8.16 kg in size ML

Who is it for?

For the rider who strings together rides of 150 km and more, audax events or big sportives, and wants to go fast without finishing stiff and sore. It will also appeal to anyone who prefers a discreet bike to bright colours.

The LVR workshop view

OCLV carbon, Trek's signature. Trek has made its carbon frames using the OCLV process for more than thirty years: each fibre layer is consolidated in a heated mould under pressure so that no micro-bubbles remain. The higher the series, the more optimised the lay-up and the less carbon is needed to withstand the same loads. The Madone SL 6 stays with OCLV 500, with a painted frame of 1,054 g in ML, and benefits from the Trek lifetime warranty.

	OCLV 500 (Madone SL 6)	OCLV 900 (Madone SLR)	SL / SLR difference
Level	Entry-level carbon in the road range	Trek's top-end carbon	Identical aero, only the weight changes
Construction	Proven OCLV process, more fibres	3D moulding, fewer overlaps	OCLV 900 up to 20% stronger than OCLV 800
Reference bike	Madone SL 6: 8.16 kg (ML)	Madone SLR 7: 7.52 kg (ML)	0.64 kg, including 271 g on frame + fork
What it means	Electronics and carbon wheels at this price	One-piece Aero RSL cockpit, Ultegra Di2	The SLR is aimed at racing and the mountains

Put simply: with the SL 6, Trek prioritises electronics and carbon wheels over OCLV 900 carbon. For most riders, instant shifting and 50 mm rims pay off more day to day than 271 g saved on the frameset.

Over long distances, aerodynamics saves energy every hour, and Trek measured the whole rider, bike and bottles system to design these tubes. IsoFlow adds vertical compliance up to 80% greater than that of the Gen 7 Madone: enough to keep your back intact after several hours in the saddle.

Di2 also reduces hand fatigue, since each shift takes a simple press. Just bear in mind that this Madone has no integrated storage: a saddle bag or frame bag is a must for long self-supported rides.

Which Madone should you choose?

Model	Carbon	Drivetrain	Wheels	Weight (size)
Madone SL 5 Pro	OCLV 500	Shimano 105 mechanical 2x12	Aeolus Elite 48 carbon	8.44 kg (ML)
Madone SL 6	OCLV 500	Shimano 105 Di2 2x12	Aeolus Elite 50 carbon	8.16 kg (ML)
Madone SL 7	OCLV 500	Shimano Ultegra Di2 2x12	Aeolus Pro 51 carbon	7.87 kg (ML)
Madone SLR 7	OCLV 900	Shimano Ultegra Di2 2x12	Aeolus Pro 51 carbon	7.52 kg (ML)

Our take: for long distances, the SL 6 offers aero and comfort with 480 g less than the SL 5. The SL 7 saves a further 290 g with Ultegra Di2, at 7.87 kg.

LVR sizing advice

The separate cockpit of the SL 6 lets you adjust the stem length after purchase: between two sizes, first choose the frame that suits your inseam, then fine-tune the reach.

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
Handlebar / stem	36 / 80	38 / 90	38 / 90	40 / 100	40 / 100	42 / 110

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

Your questions

Comfortable over 200 km?	Yes: IsoFlow, 28 mm tyres and an adjustable position limit fatigue.
Integrated storage?	No: plan on a saddle bag or frame bag.
Wider tyres?	Up to 32 mm measured for even more comfort.
Di2 battery life on an audax?	More than enough, as long as you set off with a charged battery.

The LVR Cycles verdict

A Madone for long distances, fast and comfortable. Its dark gloss and matt finish will appeal to those who like to keep a low profile.

Pros
+ IsoFlow: compliance over the long haul
+ Energy-saving aero
+ Di2 that spares your hands

Cons
- No integrated storage
- Deep rims in crosswinds

Why buy from LVR Cycles? We build your Madone in our Béziers workshop, set up your position for long distances and look after the Di2 drivetrain.

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-5337981

Data sheet