Trek Domane SL 6 Gen 4 2026 - Road Bike
The Domane SL 6 Gen 4 takes Trek’s endurance-focused design and adds the precision of electronic shifting and the speed benefits of carbon wheels. Built from 500 Series OCLV Carbon, the frame features IsoSpeed compliance, a clever system that allows just the right amount of flex to smooth out rough tarmac without sacrificing efficiency. This helps reduce fatigue, keeping you fresher for longer rides.
Key Features:
- 500 Series OCLV Carbon frame with IsoSpeed & internal storag
- Domane SL full carbon fork with tapered steerer
- Shimano 105 Di2 12-speed electronic drivetrain
- Shimano 105 R7170 hydraulic disc brakes
- Bontrager Aeolus Elite 35 carbon wheels with Bontrager tyres
- Internal frame storage & mudguard mounts for versatility
- Endurance geometry for comfort and stability
- Available with 0% APR finance
Practical features include internal frame storage, which neatly stashes essentials such as tools and spares, and hidden cable routing for a clean, aerodynamic look. Mudguard mounts and a threaded T47 bottom bracket add to the Domane’s durability and everyday versatility, making it just as capable for sportives as it is for all-season training.
The standout upgrade here is Shimano’s 105 Di2 12-speed groupset, delivering lightning-fast, wireless electronic gear changes with minimal effort. Combined with the wide 11-34T cassette, you’ll always find the right gear whether you’re tackling steep climbs or pushing the pace on the flats. Stopping is controlled by Shimano 105 hydraulic disc brakes, ensuring consistent performance in all weather.
Rolling efficiency comes courtesy of Bontrager Aeolus Elite 35 carbon wheels, tubeless-ready and offering the perfect balance of aerodynamics, lightweight performance, and stability in crosswinds. A KVF aero seatpost and Verse Short Comp saddle finish the build, keeping rider comfort at the forefront.
Occasionally, without notice, manufacturers change product design and/or specifications.
| 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 |
| Stem | Trek RCS Pro, -7-degree |
| Bars | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop |
| Brake Lever | Shimano 105 R7170 |
| Front Mech | Shimano 105 R7150 Di2, braze-on, down swing |
| Rear Mech | Shimano 105 R7150 Di2, 36T max cog |
| Shifters | Shimano 105 R7170, 12-speed |
| Speed | 24 |
| Rims | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 35 mm rim depth |
| Front Hub | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Rear Hub | Bontrager Affinity Comp, Shimano 11/12 speed freehub, 142x12mm thru axle |
| Seat Post | KVF aero carbon seat post, 20 mm offset |
| Saddle | Verse Short Comp, steel rails, 145 mm width |
| Chainset | Shimano 105 R7100, 50/34 |
| Bottom Bracket | Praxis, T47 threaded, internal bearing |
| Chain | Shimano SLX M7100, 12-speed |
| Cassette | Shimano 105 7101, 11-34, 12-speed |
Trek Domane SL Gen 4 Sizing Guide
| Size | Height cm | Height Feet / Inches | Inseam cm | Inseam Inches |
|---|---|---|---|---|
| 44 | 150 - 153 cm | 4'11" - 5'0" | 71 - 73cm | 28" - 29" |
| 47 | 152 - 158 cm | 5'0" - 5'2" | 71 - 75 cm | 28" - 30" |
| 50 | 158 - 163 cm | 5'2" - 5'4" | 74 - 77 cm | 29" - 30" |
| 52 | 163 - 168 cm | 5'4" - 5'6" | 76 - 79 cm | 30" - 31" |
| 54 | 168 - 174 cm | 5'6" - 5'9" | 78 - 82 cm | 31" - 32" |
| 56 | 174 - 180 cm | 5'9" - 5'11" | 81 - 85 cm | 32" - 33" |
| 58 | 180 - 185 cm | 5'11" - 6'1" | 84 - 87 cm | 33" - 34" |
| 60 | 185 - 190 cm | 6'1" - 6'3" | 86 - 90 cm | 34" - 35" |
| 62 | 190 - 195 cm | 6'3" - 6'5" | 89 - 92 cm | 35" - 36" |
What size frame do I need if I am between sizes? - read here
Trek Domane SL Gen 4 Geometry Chart
| Size | 44 | 47 | 50 | 52 | 54 | 56 | 58 | 60 | 62 |
|---|---|---|---|---|---|---|---|---|---|
| Stack | 510 | 527 | 546 | 561 | 575 | 591 | 611 | 632 | 656 |
| Reach | 360 | 364 | 368 | 371 | 374 | 377 | 380 | 383 | 386 |
| Head Tube Length | 95 | 110 | 130 | 145 | 160 | 175 | 195 | 220 | 245 |
| Head Tube Angle | 70.3° | 71.0° | 71.1° | 71.3° | 71.3° | 71.9° | 72.0° | 72.1° | 72.1° |
| Bottom Bracket Drop | 80 | 80 | 80 | 80 | 78 | 78 | 75 | 75 | 75 |
| Fork Rake/Offset | 53 | 53 | 53 | 53 | 48 | 48 | 48 | 48 | 48 |
| Trail | 66 | 61 | 60 | 59 | 61 | 60 | 59 | 59 | 59 |
| Chainstay Length | 420 | 420 | 420 | 420 | 420 | 420 | 425 | 425 | 425 |
| Wheelbase | 983 | 986 | 996 | 1003 | 1010 | 1008 | 1022 | 1032 | 1042 |
| Top Tube Length (horizontal) | 501 | 509 | 519 | 530 | 542 | 554 | 567 | 579 | 593 |
| Standover Height | 657 | 686 | 716 | 735 | 754 | 776 | 796 | 817 | 835 |
| Seat Tube Length | 390 | 420 | 450 | 475 | 500 | 525 | 540 | 567 | 586 |
| Seat Tube Angle | 74.6° | 74.6° | 74.6° | 74.2° | 73.7° | 73.3° | 73.0° | 72.8° | 72.5° |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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Trek Domane SL 6 Gen 4 2026 - Road Bike
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
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We understand that the Cycle to Work process can be a little slower than we would all like - so to help you pick the perfect ride, we're now offering FREE Cycle to Work Reservations on any in stock bike (T&C's apply). Simply speak to a member of our Online Bike Experts Team via Live Chat to discuss your reservation. Find out more here.
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