Trek Madone SL 6 Gen 8 2026 - Road Bike
The Trek Madone SL 6 Gen 8 is a race bike that blends pro-level aero tech with ride-all-day comfort and smart spec choices to keep it accessible. At the heart of the bike is a 500 Series OCLV Carbon frame shaped using Trek’s Full System Foil design, engineered to reduce drag across every tube, junction and surface. It’s built for maximum speed, whether you're chasing a new PB or leading the local chain gang.
Key Features:
- 500 Series OCLV Carbon frame with Full System Foil aero shaping and IsoFlow comfort tech
- Full carbon Madone fork with tapered steerer and internal brake routing
- Shimano 105 Di2 electronic 2x12 drivetrain for crisp, wireless shifting
- Shimano 105 Di2 hydraulic disc brakes for smooth, controlled stopping
- Bontrager Aeolus Elite 50 carbon wheels with Bontrager R3 700x28 mm tyres
- IsoFlow seat tube cuts drag and improves comfort on longer rides
- Available with 0% APR finance
Comfort isn’t forgotten either. The IsoFlow seat tube improves compliance by flexing under load, softening the ride on rougher roads without compromising aerodynamic performance. The result? You can stay lower for longer and still feel good when the finish line appears.
The drivetrain is powered by Shimano’s 105 Di2, offering fully wireless 12-speed shifting that’s precise, instant and low-maintenance. The 50/34 chainset paired with an 11–34 cassette offers a wide gear range for everything from steep climbs to flat-out sprints.
You’ll also get a set of Bontrager Aeolus Elite 50 carbon wheels, tubeless-ready, deep-section rims that cut through the wind and keep the bike feeling fast on rolling roads. These are paired with Bontrager R3 Hard-Case Lite 28 mm tyres for grip and speed in equal measure.
Up front, the Bontrager Comp alloy cockpit and integrated RCS Pro stem keep things clean and aerodynamic. The bike also features Trek’s Madone aero seatpost, internal cable routing, and a clean threaded T47 bottom bracket for reliability.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chain keeper, T47 BB, UDH, 142x12 mm thru axle |
| Fork | Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat-mount disc, 12x100 mm chamfered thru axle |
| Stem | Trek RCS Pro, -7-degree |
| Bars | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop |
| Front Brake | Shimano 105 Di2 |
| Rear Brake | Shimano 105 Di2 |
| Brake Lever | Shimano 105 DI2 |
| Front Mech | Shimano 105 R7150 Di2, braze-on, down swing |
| Rear Mech | Shimano 105 R7150 Di2, 36T max cog |
| Shifters | Shimano 105 Di2 |
| Speed | 24 |
| Rims | Bontrager Aeolus Elite 50, OCLV Carbon, Tubeless Ready |
| Front Hub | 100x12 mm thru axle |
| Rear Hub | Shimano 11-speed freehub, 142x12 mm thru axle |
| Front Tyre | Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28 mm |
| Rear Tyre | Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28 mm |
| Seat Post | Madone aero carbon seat post, 0 mm offset, short length |
| Saddle | Bontrager Aeolus Elite, austenite 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 |
| Pedals | Resin Platform |
Trek Madone Gen 8 Size Chart
| Size | Height cm | Height Feet / Inches | Inseam cm | Inseam Inches |
|---|---|---|---|---|
| XS (47cm) | 143 - 158 cm | 4'8" - 5'2" | 67 - 74 cm | 26" - 29" |
| S (50cm) | 158 - 162 cm | 5'2" - 5'4" | 74 - 76 cm | 29" - 30" |
| M (52-54cm) | 162 - 173 cm | 5'4" - 5'8" | 76 - 81 cm | 30" - 32" |
| ML (56cm) | 173 - 179 cm | 5'8" - 5'10" | 81 - 84 cm | 32" - 33" |
| L (58cm) | 179 - 188 cm | 5'10" - 6'2" | 84 - 88 cm | 33" - 35" |
| XL (60-62cm) | 188 - 213 cm | 6'2" - 7'0" | 88 - 100 cm | 35" - 39" |
What size frame do I need if I am between sizes? - read here
Trek Madone Gen 8 Geometry Chart
| Size | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Stack | 507 | 530 | 546 | 562 | 582 | 610 |
| Reach | 370 | 378 | 384 | 389 | 394 | 402 |
| Head Tube Length | 100 | 121 | 136 | 150 | 172 | 201 |
| Head Tube Angle | 71.6° | 72.2° | 72.9° | 73.5° | 73.8° | 73.9° |
| Bottom Bracket Drop | 72 | 72 | 70 | 70 | 68 | 68 |
| Trail | 61 | 62 | 58 | 59 | 57 | 57 |
| Fork Rake/Offset | 50 | 45 | 45 | 40 | 40 | 40 |
| Chainstay Length | 410 | 410 | 410 | 410 | 411 | 412 |
| Wheelbase | 971 | 976 | 981 | 980 | 990 | 1007 |
| Top Tube Length (horizontal) | 517 | 532 | 545 | 557 | 568 | 584 |
| Standover Height | 704 | 734 | 762 | 790 | 820 | 863 |
| Seat Tube Length | 404 | 440 | 476 | 512 | 548 | 609 |
| Seat Tube Angle | 73.8° | 73.8° | 73.6° | 73.4° | 73.4° | 73.4° |
| Saddle rail height min (w/short mast) | 549 | 585 | 621 | 657 | 693 | 754 |
| Saddle rail height max (w/short mast) | 612 | 648 | 684 | 720 | 756 | 817 |
| Saddle rail height min (w/tall mast) | 592 | 628 | 664 | 700 | 736 | 797 |
| Saddle rail height max (w/tall mast) | 654 | 690 | 726 | 762 | 798 | 859 |
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 Madone SL 6 Gen 8 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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