Compare bikes
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|---|---|---|---|
Overview | |||
| Category | Road | Road | |
| Model year | 2025 | 2027 | |
| Wheel size | 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 | FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc | |
| Crank length | 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm | 44: 165mm 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm 64: 175mm | |
| Fork | FACT Carbon, 12x100mm thru-axle, flat-mount disc | Future Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc | |
| Handlebar width | 49: 380mm 52: 400mm 54: 420mm 56: 420mm 58: 440mm 61: 440mm | 44: 360mm 49: 380mm 52: 400mm 54: 420mm 56: 420mm 58: 440mm 61: 440mm 64: 440mm | |
| Front brake | Shimano Ultegra R8170, hydraulic disc, 160mm rotor | Shimano 105 BR-R7170, hydraulic disc | |
| Stem length | 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm | 44: 70mm 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm 64: 120mm | |
| Rear brake | Shimano Ultegra R8170, hydraulic disc, 140mm rotor | Shimano 105 BR-R7170, hydraulic disc | |
| Saddle width | 49: 155mm 52: 155mm 54: 143mm 56: 143mm 58: 143mm 61: 143mm | 44: 155mm 49: 155mm 52: 155mm 54: 143mm 56: 143mm 58: 143mm 61: 143mm 64: 143mm | |
| Shift levers | Shimano Ultegra Di2 R8170, hydraulic disc | Shimano 105 Di2 R7170, 12-speed hydraulic disc | |
| Seatpost length | 49: 300mm 52: 300mm 54: 360mm 56: 360mm 58: 360mm 61: 360mm | 44: 380mm 49: 380mm 52: 380mm 54: 380mm 56: 380mm 58: 450mm 61: 450mm 64: 450mm | |
| Front derailleur | Shimano Ultegra Di2 R8150, braze-on | Shimano 105 R7170, braze-on | |
| Rear derailleur | Shimano Ultegra Di2 R8150, 12-speed | Shimano 105 Di2 R7150. 12-speed | |
| Cassette | Shimano Ultegra, 12-speed, 11-30t | Shimano 105 R7100, 12-speed 11-36t | |
| Chain | Shimano M8100, 12-speed w/ quick link | Shimano SLX CN-M7100, 12-speed | |
| Crankset | Shimano Ultegra R8100 with 4iiiis Precision 3+ Power Meter | Shimano 105 FC-R7100, 12-speed, 50/34t | |
| Chainrings | 52/36T | — | |
| Bottom bracket | Shimano Threaded BSA BB | Shimano Threaded BSA BB | |
| Front tyre | S-works Turbo 2BR, 700x28mm | Mondo Folding Endurance Tire, 700x32, GRIPTON T5 | |
| 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 | DT Swiss G500 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples | |
| Rear tyre | S-works Turbo 2BR, 700x28mm | Mondo Folding Endurance Tire, 700x32, GRIPTON T5 | |
| 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 | DT Swiss G500 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples | |
| Inner tubes | 700x20-28, 48mm Presta Valve | 700x28-38mm, 48mm Presta valve | |
| Stem | Specialized Pro SL, alloy, 4-bolt | Future Stem, Comp | |
| Handlebar | S-Works Short & Shallow, 125mm Drop, 75mm Reach w/Di2 Hole | Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole | |
| Bar tape | Supacaz Super Sticky Kush | Supacaz Super Sticky Kush | |
| Saddle | Body Geometry Power Pro with Mirror, hollow titanium rails | Body Geometry Power Comp, chrome alloy rails | |
| Seatpost | Roval Alpinist Carbon Seatpost | S-Works Pave | |
| Seatpost clamp | Specialized Alloy, 30mm | Hidden drop clamp | |
| Product ID | 221544 | 296285 | |
| Weight | 6.78kg (14 lb, 15.2 oz) | 8.91 kg (19 lb, 10.3 oz) | |
| Size used for weighing | 56 | 56 | |
Geometry
Select a size for each bike to compare geometry.
| Geometry | Specialized Aethos Pro - Shimano Ultegra Di2 | Specialized Roubaix SL8 Comp - Shimano 105 Di2 |
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