Trek Domane SL 7 Gen 4 Road Bike 2025
If you need a bike that’s fast, comfortable, and versatile enough to tackle rough roads, the Domane SL Gen 4 is the ideal choice. A carbon frame with vibration-damping control is essential for you, and the added comfort of IsoSpeed technology is a must-have. The Shimano Ultegra Di2 drivetrain ensures consistently fast and reliable shifting, making every ride smooth and effortless.
The Trek Domane SL Gen 4 features a lightweight 500 Series OCLV Carbon frame with road-smoothing rear IsoSpeed, powerful flat-mount disc brakes, and a wireless 2x12 Shimano Ultegra Di2 electronic drivetrain for precision shifting. It’s equipped with Aeolus Pro 37 carbon wheels, an integrated carbon cockpit, and internal storage with sleek cable routing. The top tube mounts allow for secure attachment of bags, making it perfect for longer rides without the hassle of bulky straps. With its proven performance on the world stage, the Domane SL Gen 4 is ready for anything, from long road adventures to the toughest races.
The Domane SL Gen 4 combines aerodynamic Kammtail tube shapes and IsoSpeed comfort technology for a ride that’s fast, lightweight, and smooth. It’s designed for versatility, equally suited for all-day road adventures, club rides, and racing. The wireless Ultegra Di2 drivetrain delivers fast, smooth, and responsive shifts, while the clearance for up to 38 mm tires absorbs road bumps, ensuring a comfortable ride. With a convenient internal storage compartment and top tube mounts, this bike is equipped for day-long adventures and beyond.
Technical Specification
| Frame | 500 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, mudguard mounts, flat mount disc, 142x12 mm thru axle |
| Fork | Domane SL carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, 12x100 mm thru axle |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 125 kg (275 lb). |
| Shifter | Shimano Ultegra R8170 Di2, 12-speed |
| Front derailleur | Shimano Ultegra R8150 Di2, braze-on, down swing |
| Rear derailleur | Shimano Ultegra R8150 Di2, 34T max cog |
| Crank | Shimano Ultegra R8100, 50/34 |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano Ultegra R8101, 11-34, 12-speed |
| Chain | Shimano XT M8100, 12-speed |
| Max. chainring size | 1x |
| Wheel front | Bontrager Aeolus Pro 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth, 100x12 mm thru axle |
| Wheel rear | Bontrager Aeolus Pro 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth, Shimano 11-speed freehub, 142x12 mm thru axle |
| Skewer front | Bontrager Switch thru-axle, removable lever |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Tyre | Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32 mm |
| Rim strip | Bontrager TLR |
| Max tyre size | 38 mm without mudguards, 35 mm with mudguards |
| Saddle | Verse Short Comp, steel rails |
| Seatpost | KVF aero carbon seat post |
| Handlebar | Bontrager Elite IsoZone VR-SF, alloy |
| Handlebar tape | Bontrager Supertack Perf tape |
| Stem | Trek RCS Pro, -7-degree |
| Brake rotor | Shimano CL800, CentreLock, 160 mm |
| Rotor size | Max brake rotor sizes 160 mm front and rear |
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. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
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 7 Gen 4 Road Bike 2025 Sizing
Unable to display Reviews due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".
Unable to display Q&A due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".
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.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.