Trek Madone SL 6 Shimano 105 Di2 Gén. 8 2025
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The Trek Madone SL 6 Shimano 105 Di2 Generation 8 is a road bike designed for those seeking speed, efficiency and race-level technology in an accessible, well-balanced package. Built for pure performance, it combines high-level aerodynamics with lightweight construction to let you attack, surge and climb with remarkable ease, whether in races or on demanding training rides.
Its OCLV Carbon series 500 frame inherits the DNA of the Madone SLR race model with carefully profiled Full System Foil tubes to reduce drag across the entire bike. This advanced design optimizes every watt while maintaining an excellent stiffness-to-weight ratio. The IsoFlow technology integrated into the seat tube provides a noticeable gain in vertical comfort without compromising aerodynamics or responsiveness, translating into better endurance on long rides and improved efficiency when the pace rises.
The modern geometry of the Madone SL 6 was developed to offer an ideal balance between aggressiveness and stability. It puts you in a performance-oriented position that suits climbs as well as flat, fast sections, while remaining forgiving enough for long hours in the saddle. The two-piece cockpit with internal cable routing contributes to the bike’s clean aesthetics while making maintenance and adjustments easier compared with a one-piece handlebar/stem setup.
Equipped with the Shimano 105 Di2 electronic groupset in 12-speed, this bike benefits from fast, precise and reliable gear changes in all conditions. The electronic shifting offers consistent performance and superior ease of use — ideal for staying focused on effort and line. Shimano 105 hydraulic disc brakes deliver powerful, modulable stopping power, offering full control on descents and in wet conditions.
Bontrager Aeolus Elite 35 carbon wheels reinforce the Madone SL 6’s versatile, high-performance character. Their aerodynamic profile and low weight improve acceleration, speed retention and climbing behavior. Fitted tubeless-ready from the factory with Bontrager R3 tyres, they provide efficiency, comfort and safety while reducing the risk of punctures.
With its low weight, carefully refined aerodynamics and modern electronic drivetrain, the Trek Madone SL 6 Shimano 105 Di2 Gen. 8 stands out as a high-performance road bike for ambitious riders. Whether your goal is racing, riding fast in a group or enjoying demanding routes, this model delivers an experience worthy of professional race bikes in a reliable, modern and accessible package.
Technical Information
| Frame | Carbon: OCLV Carbon series 500, Full System Foil tube shaping, IsoFlow seat tube, RCS headset, electronic or mechanical routing, removable aerodynamic chain guard, T47 bottom bracket, Flat Mount disc brakes, Universal Derailleur Hanger (UDH), 142 x 12 mm thru-axle |
| Fork | Carbon: Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru-axle |
| Shift lever | Shimano 105 R7170, 12-speed |
| Front derailleur | Shimano 105 R7150, Di2, braze-on, down-swing, 2x12-speed |
| Rear derailleur | Shimano 105 R7150 Di2, 12-speed |
| Cassette | Shimano 105 7101, 11-34 t, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Crankset | Shimano 105 R7100, 50-34 t, DUB |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Brakes | Shimano 105, Shimano RT70 rotors, Centerlock, 160/160 mm |
| Wheels | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 12x100/12x142 mm, HG freehub |
| Tires | Bontrager R3 Hard-Case Lite, tubeless-ready, aramid bead, 170 tpi, 700x28 mm |
| Handlebar | Bontrager Comp, alloy, 31.8 mm, reach 80 mm, drop 121 mm |
| Stem | Trek RCS Pro, -7° |
| Saddle | Bontrager Aeolus Comp, steel rails |
| Seatpost | Madone aero seatpost, offset 0 mm |
| Weight | ML - 8.16 kg |
| Maximum weight | This bike has a maximum total weight limit (including the weight of the bike, rider and luggage) of 125 kg (275 lbs). |
Geometry
| Frame size | XS | S | M | ML | L | XL |
| Seat tube (mm) | 404 | 440 | 476 | 512 | 548 | 609 |
| Top tube (mm) | 512 | 521 | 534 | 543 | 559 | 574 |
| Head tube (mm) | 100 | 121 | 136 | 150 | 172 | 201 |
| Chainstay length (mm) | 410 | 410 | 410 | 410 | 411 | 412 |
| Head angle (°) | 71.6 | 72.2 | 72.9 | 73.5 | 73.8 | 73.9 |
| Seat tube angle (°) | 73.8 | 73.8 | 73.6 | 73.4 | 73.4 | 73.4 |
| Wheelbase (mm) | 971 | 976 | 981 | 980 | 990 | 1007 |
| Stack (mm) | 507 | 530 | 546 | 562 | 582 | 610 |
| Reach (mm) | 370 | 378 | 384 | 389 | 394 | 402 |
| Crank length (mm) | 165 | 165 | 170 | 172.5 | 172.5 | 175 |
| Saddle width (mm) | 155 | 155 | 145 | 145 | 145 | 145 |
| Handlebar width (mm) | 400 | 420 | 420 | 440 | 440 | 460 |
| Stem length (mm) | 80 | 90 | 90 | 100 | 100 | 110 |