Trek Madone SL 6 AXS Gen 8 2026 - Road Bike











The Madone SL 6 AXS Gen 8 is a lightweight aero road bike built for efficiency and speed. Its carbon frame smooths the road while modern aero shaping, carbon wheels and electronic shifting deliver a fast, composed ride for training and racing.
Key Features:
- 500 Series OCLV carbon frame with aero geometry and IsoFlow design
- Full carbon Madone Gen 8 fork
- SRAM Rival AXS 12-speed electronic drivetrain
- SRAM Rival AXS hydraulic disc brakes
- Bontrager Aeolus Elite 50 carbon wheels with R3 tyres
- IsoFlow seat tube improves comfort and airflow
- Available with 0% APR finance
The Trek Madone SL 6 AXS Gen 8 brings proven race-inspired design into a more accessible aero road bike. Its 500 Series OCLV Carbon frame uses Trek’s Full System Foil tube shaping to reduce drag while maintaining a balanced, stable ride feel for long efforts and fast group rides.
A key part of the Madone’s character is the IsoFlow seat tube. This distinctive design reduces weight and adds controlled compliance, helping to smooth road vibration without softening power transfer. Combined with modern race geometry, it keeps you comfortable when the pace stays high for hours.
Up front, the full carbon Madone Gen 8 fork enhances steering precision and clean airflow, with internal brake routing keeping everything tidy. The RCS cockpit system uses an alloy bar and stem to keep cost sensible while retaining a clean, aerodynamic front end.
Shifting is handled by SRAM Rival AXS E1, offering fast, reliable wireless electronic changes across a wide 12-speed range. The 48/35T chainset paired with a 10–36T cassette gives usable gearing for climbing and sustained speed on flatter roads, making it well suited to varied terrain.
Hydraulic disc brakes from SRAM Rival AXS provide consistent braking and control in all weather, which is especially valuable on fast descents and technical roads. Bontrager Aeolus Elite 50 carbon wheels add aerodynamic efficiency and help the bike hold speed once you’re up to pace. They’re paired with 28mm Bontrager R3 tyres that balance rolling speed, grip and comfort, and are tubeless ready.
Finished with an aero carbon seatpost and a performance-focused saddle, the Madone SL 6 AXS Gen 8 is a refined, fast road bike that rewards steady power and smooth handling. It’s a strong choice for riders who want aero performance, modern electronic shifting and carbon wheels in a package that works just as well for racing as it does for fast everyday riding.
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, flat mount disc, 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 | SRAM Rival AXS hydraulic disc |
| Rear Brake | SRAM Rival AXS hydraulic disc |
| Brake Lever | SRAM Rival AXS hydraulic disc |
| Front Mech | SRAM Rival AXS, braze-on |
| Rear Mech | SRAM Rival AXS, 36T max cog |
| Shifters | SRAM Rival eTap AXS, 12-speed |
| Speed | 24 |
| Rims | Bontrager Aeolus Elite 50 |
| Front Hub | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Rear Hub | SRAM XD-R driver, 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 | SRAM Rival AXS 48/35, DUB |
| Bottom Bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM XG-1250, 10-36, 12-speed |
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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 AXS Gen 8 2026 - Road Bike
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