Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
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.
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.
Cyclescheme can save you up to 39% on a bike and accessories. Visit our Cycle to Work Scheme page to learn more and claim.
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.
Room to fit high volume 38mm wide tyres allows the Domane to tackle the roughest roads.
Trek Domane SL 6 Disc Road Bike 2021
Trek's latest Domane SL 6 Disc Road Bike includes updated IsoSpeed front and rear as well as clearance for 38mm tyres. This is a bike designed with an Endurance geometry that gives up nothing in terms of performance. The aero tubes and internal cable routing keep drag low, while the carbon construction is light and stiff. Supplied with tyres of a 32mm width, rolling is fast and smooth, but you can go wider still - up to 38mm - and benefit from improved comfort on the roughest roads. Trek has introduced internal storage on the downtube - enough to fit everything you need to fix a puncture - so you can store only what you need close to hand in your jersey pockets.
Shimano's second-tier Ultegra groupset brings smooth and fast shifting and reliable, powerful braking from the hydraulic discs for confidence at speed in all conditions.
Highlights
- Aerodynamic tube shapes
- Trek 500 Series OCLV carbon frame
- Front and rear IsoSpeed for the ultimate in vibration damping, smoothing even the roughest roads
- Internal cable routing
- Hidden mudguard mounts
- Clearance for 38mm tyres (35mm with mudguards)
- Shimano hydraulic disc brakes
- Integrated frame storage - the Bontrager Integrated Tool System (BITS) (purchased separately) stores a tube, tyre levers, CO2 and CO2 head neatly inside the downtube
- The bottle cage sits on an easy-open storage door and holds a BITS multi-tool (purchased separately) giving riders quick access for mechanical adjustments
- Integrated Flare tail-light mount
- To use the BITS Integrated Tool System you will need to additionally purchase the Bontrager BITS Bag and Bontrager BITS Integrated Multi-Tool
Technical Specification
| Frame | Trek 500 Series OCLV carbon, front and rear IsoSpeed, BITS internal storage, tapered head tube, internal cable routing, micro-adjust seat mast, 3S chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142x12mm thru-axle |
| Fork | Trek Domane SL carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, 12x100mm thru-axle |
| Headset | FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom |
| Bottom Bracket | Praxis Works, T47 threaded, internal bearing |
| Stem | Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree |
| Handlebar | Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, internal Di2 routing |
| Front Brake | Shimano Ultegra R8070 hydraulic disc, Shimano RT800, 160 mm, CenterLock Rotors |
| Rear Brake | Shimano Ultegra R8070 hydraulic disc, Shimano RT800, 160 mm, CenterLock Rotors |
| Brake Levers | Shimano Ultegra R8020 |
| Front Derailleur | Shimano Ultegra R8000, braze-on |
| Rear Derailleur | Shimano Ultegra R8000, long cage, 34t maximum cog |
| Shift Levers | Shimano Ultegra R8020, 11-speed |
| Cassette | Shimano Ultegra HG800-11, 11-34, 11-speed |
| Chain | Shimano Ultegra HG701, 11-speed |
| Crankset | Shimano Ultegra R8000, 50/34 (compact) |
| Front Wheel | Bontrager Paradigm Comp 25, tubeless-ready, 25mm rim width |
| Rear Wheel | Bontrager Paradigm Comp 25, tubeless-ready, 25mm rim width |
| Front Tyre | Bontrager R2 Hard-Case Lite, aramid bead, 60tpi, 700x32c, clincher |
| Rear Tyre | Bontrager R2 Hard-Case Lite, aramid bead, 60tpi, 700x32c, clincher |
| Saddle | Bontrager Arvada Comp, steel rails |
| Seatpost | Bontrager carbon seat mast cap, integrated light mount, 20mm offset |
| Pedals | Available to be purchased separately |
| Manufacturer Claimed Weight | Size 56 - 9.22kg / 20.32 lbs |
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 specified), 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. We do not install accessories to bikes, including mudguards.
Trek Domane SL 6 Disc Road Bike 2021 Sizing
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