Compare bikes
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Overview | |||
| Category | Road | Road | |
| Model year | 2026 | 2027 | |
| Wheel size | 700c (49, 52, 54, 56, 58, 61) | 700c (XS, S, M, ML, L, XL) | |
Components | |||
Select a size for each bike to compare size-specific components. | |||
| Frame | Aethos 2 FACT 10r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc | Advanced-grade composite, 12x142mm thru-axle, disc | |
| Crank length | 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm | XS: 165 mm S: 165 mm M: 170 mm ML: 170 mm L: 172.5 mm XL: 172.5 mm | |
| Sizes | — | XS, S, M, M/L, L, XL | |
| Fork | Aethos 2 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc | Advanced SL-grade composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc | |
| Handlebar width | 49: 380mm 52: 380mm 54: 400mm 56: 400mm 58: 420mm 61: 420mm | XS: 420 mm S: 420 mm M: 440 mm ML: 440 mm L: 440 mm XL: 440 mm | |
| Colours | — | Cryo Silver | |
| Front brake | Shimano Ultegra BR-R8170, hydraulic disc | — | |
| Stem length | 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm | XS: 80 mm S: 90 mm M: 100 mm ML: 110 mm L: 110 mm XL: 120 mm | |
| Rear brake | Shimano Ultegra BR-R8170, hydraulic disc | — | |
| 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 | — | |
| Handlebar | — | Giant Contact SLR XS:420/370mm, S:420/370mm, M:440/390mm, M/L:440/390mm, L:440/390mm, XL:440/390mm | |
| Front derailleur | Shimano Ultegra Di2 R8150, braze-on | Shimano Dura-Ace Di2 FD-R9250 | |
| Grips | — | Stratus Lite 2.0 | |
| Rear derailleur | Shimano Ultegra Di2 R8150, 12-speed | Shimano Dura-Ace Di2 RD-R9250 | |
| Stem | — | Giant Contact SL AeroLight XS:80mm, S:90mm, M:100mm, M/L:110mm, L:110mm, XL:120mm | |
| Cassette | Shimano Ultegra, 12-speed, 11-30t | Shimano Dura-Ace, 12-speed, 11x30 | |
| Seatpost | Roval Alpinist Carbon Seatpost | Giant Variant, composite, -5/+15mm offset | |
| Chain | Shimano XT CN-M8100, 12-speed | Shimano CN-M9100 | |
| Saddle | Power Pro Mirror, Hollow Ti rails | Giant Fleet SL | |
| Crankset | Shimano Ultegra R8100 with 4iiii Precision 3+ single-sided Power Meter, 52/36t | Shimano Dura-Ace, 36/52 XS:165mm, S:165mm, M:170mm, M/L:170mm, L:172.5mm, XL:172.5mm | |
| Pedals | — | platform pedal [GCS,GTS] N/A [all other GSC] | |
| Bottom bracket | Shimano Threaded BSA BB | Shimano, press fit | |
| Shifters | — | Shimano Dura-Ace Di2 | |
| Front tyre | S-Works Turbo TLR Race Tire, 700x28c | — | |
| 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 | — | |
| Rear tyre | S-Works Turbo TLR Race Tire, 700x28c | — | |
| Brakes | — | Shimano Dura-Ace hydraulic, Shimano RT-CL900 rotors [F]160mm, [R]140mm | |
| 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 | — | |
| Brake levers | — | Shimano Dura-Ace Di2 | |
| Inner tubes | 700x25-35, 50mm Presta Valve, TPU | — | |
| Handlebar | Roval Alpinist Cockpit II, Integrated Bar/Stem | — | |
| Bar tape | Supacaz Super Sticky Kush | — | |
| Rims | — | Giant SLR 0 40 WheelSystem, [F]40mm, [R]40mm | |
| Seatpost clamp | Specialized Alloy, 30mm | — | |
| Hubs | — | [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle [R] Giant Low Friction Hub, 40t ratchet driver, CenterLock, 12mm thru-axle | |
| Product ID | 279155 | — | |
| Spokes | — | Giant Aero Carbon Spoke | |
| Weight | 6.73 kg (14 lb, 13.4 oz), tubeless | The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality. | |
| Tyres | — | CADEX Road Race GC, tubeless, 700x30mm, folding | |
| Size used for weighing | 56 | — | |
| Extras | — | computer mount, tubeless prepared, 33mm max tire size | |
Geometry
Select a size for each bike to compare geometry.
| Geometry | Specialized Aethos 2 Pro - Shimano Ultegra Di2 | Giant TCR Advanced Pro (Dura-Ace) |
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