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Trek Domane SL 6 Gen 3 Disc Road Bike

£3,040.00 - £3,700.00
RRP £3,900.00

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Price £3,700.00 (Save 5%)
Price £3,040.00 (Save 22%)
Domane SL 6 Gen 3 Disc Road Bike

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Product ID: 1461856

Why buy your bike from Sigma Sports?

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Built, Checked, Tuned and Tested

All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.

Free Bike Delivery

We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.

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Product Highlights


Lightweight and stiff, OCLV 500 carbon soaks up road vibrations and provides a comfortable ride.


Reliable, precise and efficient, this 11-speed setup never misses a gear change.


Dampening units in the seat tube and head tube markedly reduce rough road vibrations.


A slightly higher front end grants a powerful and comfortable ride position for the longest rides.

Trek Domane SL 6 Gen 3 Disc Road Bike

The Trek Domane SL 6 Disc Road Bike pairs a fast, innovative frame with Shimano’s evergreen Ultegra groupset, making it ideally suited for year-round use on long rides and pockmarked roads. Add in an aerodynamic design with internal cabling and endurance-biased geometry and the Domane SL 6 is a hugely versatile option.

Key to the bike’s long-distance comfort is its front and rear IsoSpeed system that provides far more compliance than a carbon frame alone can provide whilst still retaining all the efficiency and stiffness required for good power transfer. IsoSpeed isolates the rider from road vibrations and bumps, reducing fatigue and improving control. Clearance for 38mm tyres gives the further potential for increased comfort, as do the tubeless-ready wheels and tyres. With a 25mm width, the Bontrager Paradigm Comp 25 wheels work well with a wide range of tyre sizes, so the bike can be raced one weekend with skinny tyres and then used more adventurously the next when fitted with fatter rubber.

Shimano’s 11-speed Ultegra groupset is the perfect pairing for this frame; the compact chainset and 11-34t cassette ensure that there are plenty of gears in hand for the steepest inclines without sacrificing flat land speed, and the stopping power of the hydraulic disc brakes adds extra confidence when descending in the wet.

As a final touch, there is even storage space in the downtube for a few tools and spares.


  • Trek Domane 500 Series OCLV Carbon frame with front and rear IsoSpeed, internal storage and mudguard mounts
  • Trek Domane SLR carbon fork with mudguard mounts
  • Shimano 11-speed Ultegra R8000 groupset
  • Shimano Ultegra R8000 hydraulic disc brakes
  • Bontrager Paradigm Comp 25 wheelset
  • Bontrager R3 Hard-Case Lite, tubeless-ready tyres, 700x32c

Technical Specification

Frame Trek 500 Series OCLV Carbon, front and rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142x12mm thru-axle
Fork Trek Domane SLR carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, carbon dropouts, 12x100mm thru-axle
Bottom Bracket Praxis, T47 threaded, internal bearing
Stem Bontrager Pro, 31.8mm, Blendr-compatible, 7°, 60mm to 110mm depending on frame size
Handlebar Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, sizes 44 and 47 - 36cm width, 50 - 38cm width, 52 - 40cm width, 54 and 56 - 42cm, 58, 60, 62 - 44cm
Bar Tape Bontrager Supertack Perf tape
Front Brake Shimano Ultegra hydraulic disc
Rear Brake Shimano Ultegra hydraulic disc
Brake Levers Shimano Ultegra hydraulic disc
Front Derailleur Shimano Ultegra R8000, braze-on
Rear Derailleur Shimano Ultegra R8000, long cage, 34t maximum cog
Shift Levers Shimano Ultegra R8000, 11-speed
Chain Shimano Ultegra HG701, 11-speed
Cassette Shimano Ultegra HG800-11, 11-34t, 11-speed
Crankset Shimano Ultegra R8000, 50/34t, size 44 and 47 - 165mm, 50, 52 - 170mm, 54, 56 - 172.5mm, 58, 60, 62 - 175mm
Front Wheel Bontrager Paradigm Comp 25, tubeless-ready, 25mm rim width, 100x12mm thru-axle
Rear Wheel Bontrager Paradigm Comp 25, tubeless-ready, 25mm rim width, Shimano 11-speed freehub, 142x12 thru-axle
Front Tyre Bontrager R3 Hard-Case Lite, tubeless-ready, aramid bead, 120 tpi, 700x32c
Rear Tyre Bontrager R3 Hard-Case Lite, tubeless-ready, aramid bead, 120 tpi, 700x32c
Saddle Bontrager P3 Verse Comp, steel rails, 155mm width
Seatpost Bontrager carbon internal seat mast cap, integrated light mount, 20mm offset
Pedals Available to be purchased separately
Manufacturer claimed weight 9.2kg size 56cm

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.

If you require any assistance please contact our Customer Care team.

Trek Domane SL 6 Gen 3 Disc Road Bike Sizing

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