Compare bikes
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|---|---|---|---|
Overview | |||
| Category | Road | Road | |
| Model year | 2027 | 2025 | |
| Wheel size | 700c (XS, S, M, ML, L, XL) | 700c (49, 52, 54, 56, 58, 61) | |
Components | |||
Select a size for each bike to compare size-specific components. | |||
| Frame | — | Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc | |
| Crank length | — | 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm | |
| Fork | — | FACT Carbon, 12x100mm thru-axle, flat-mount disc | |
| Handlebar width | — | 49: 380mm 52: 400mm 54: 420mm 56: 420mm 58: 440mm 61: 440mm | |
| Front brake | — | Shimano Ultegra R8170, hydraulic disc, 160mm rotor | |
| Stem length | — | 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm | |
| Rear brake | — | Shimano Ultegra R8170, hydraulic disc, 140mm rotor | |
| Saddle width | — | 49: 155mm 52: 155mm 54: 143mm 56: 143mm 58: 143mm 61: 143mm | |
| Shift levers | — | Shimano Ultegra Di2 R8170, hydraulic disc | |
| Seatpost length | — | 49: 300mm 52: 300mm 54: 360mm 56: 360mm 58: 360mm 61: 360mm | |
| Front derailleur | — | Shimano Ultegra Di2 R8150, braze-on | |
| Rear derailleur | — | Shimano Ultegra Di2 R8150, 12-speed | |
| Cassette | — | Shimano Ultegra, 12-speed, 11-30t | |
| Chain | — | Shimano M8100, 12-speed w/ quick link | |
| Crankset | — | Shimano Ultegra R8100 with 4iiiis Precision 3+ Power Meter | |
| Chainrings | — | 52/36T | |
| Bottom bracket | — | Shimano Threaded BSA BB | |
| Front tyre | — | S-works Turbo 2BR, 700x28mm | |
| Front wheel | — | Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, Tubeless Ready | |
| Fork | Madone Gen 8 full carbon | — | |
| Rear tyre | — | S-works Turbo 2BR, 700x28mm | |
| Frame | 500 Series OCLV Carbon | — | |
| Rear wheel | — | Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, Tubeless Ready | |
| Inner tubes | — | 700x20-28, 48mm Presta Valve | |
| Stem | — | Specialized Pro SL, alloy, 4-bolt | |
| Wheels | Bontrager Aeolus Elite 50, OCLV Carbon | — | |
| Handlebar | — | S-Works Short & Shallow, 125mm Drop, 75mm Reach w/Di2 Hole | |
| Bar tape | — | Supacaz Super Sticky Kush | |
| Saddle | — | Body Geometry Power Pro with Mirror, hollow titanium rails | |
| Weight | ML - 8.16 kg / 17.99 lbs | — | |
| Seatpost | — | Roval Alpinist Carbon Seatpost | |
| Drivetrain | Shimano 105 Di2, 2x12 | — | |
| Seatpost clamp | — | Specialized Alloy, 30mm | |
| Tyres | Bontrager Aeolus Pro, 700x28 mm | — | |
| Product ID | — | 221544 | |
| Handlebar | Bontrager Comp, alloy | — | |
| Weight | — | 6.78kg (14 lb, 15.2 oz) | |
| Size used for weighing | — | 56 | |
| Bottom bracket | Praxis, T47 threaded, internal bearing | — | |
| Cassette | Shimano 105 7101, 11-34, 12 speed | — | |
| Chain | Shimano SLX M7100, 12 speed | — | |
| Crank | Shimano 105 R7100, 50/34 | — | |
| Fork | Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle | — | |
| Frame | 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle | — | |
| Front derailleur | Shimano 105 R7150 Di2, braze-on, down swing | — | |
| Handlebar | Bontrager Comp, alloy, 31.8mm | — | |
| Rear derailleur | Shimano R7150 Di2, 36T max cog | — | |
| Saddle | Bontrager Aeolus Elite, austenite rails | — | |
| Seatpost | Madone aero carbon seatpost, 0mm offset, short length | — | |
| Shifters | Shimano 105 R7170 Di2, 12 speed | — | |
| Stem | Trek RCS Pro, -7 degree | — | |
| Tyres | Bontrager Aeolus Pro, Tubeless Ready, aramid bead, 120tpi, 700x28mm | — | |
| Weight | ML – 8.16 kg/17.99 lb (with TLR sealant, no tubes) | — | |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). | — | |
| Wheels | Bontrager Aeolus Elite 50, OCLV Carbon, Tubeless Ready, thru axle | — | |
| Max chainring | 1x: 54T, 2x: 56/43 | — | |
| Rotor size | Max brake rotor sizes: 180 mm front, 160 mm rear | — | |
| Max tyre size | 32mm (as measured, see manual for details) | — | |
Geometry
Select a size for each bike to compare geometry.
| Geometry | Trek Madone SL 6 Gen 8 | Specialized Aethos Pro - Shimano Ultegra Di2 |
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