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Specialized Roubaix SL8 Expert - Shimano Ultegra Di2

Specialized

Roubaix SL8 Expert - Shimano Ultegra Di2

2026

$5,999.99

Giant Defy Advanced Pro 0-AXS

Giant

Defy Advanced Pro 0-AXS

2027

$7,700.00

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Overview

CategoryRoadRoad
Model year20262027
Wheel size—700c (XS, S, M, ML, L, XL)

Components

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FrameFACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount discAdvanced-grade Composite, 12x142mm thru-axle, disc
Crank length44: 165mm 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm 64: 175mmXS: 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
ForkFuture Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount discAdvanced SL-grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
Handlebar width44: 360mm 49: 380mm 52: 400mm 54: 420mm 56: 420mm 58: 440mm 61: 440mm 64: 440mmXS: 404 mm S: 404 mm M: 424 mm ML: 424 mm L: 444 mm XL: 444 mm
Colours—Luminous Lagoon
Front brakeShimano Ultegra R8100, hydraulic brake—
Stem length44: 70mm 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm 64: 120mmXS: 80 mm S: 90 mm M: 100 mm ML: 100 mm L: 110 mm XL: 110 mm
Rear brakeShimano Ultegra R8100, hydraulic brake—
Saddle width44: 155mm 49: 155mm 52: 155mm 54: 143mm 56: 143mm 58: 143mm 61: 143mm 64: 143mm—
Shift leversShimano Ultegra Di2 R8170, hydraulic disc—
Seatpost length44: 380mm 49: 380mm 52: 380mm 54: 380mm 56: 380mm 58: 450mm 61: 450mm 64: 450mm—
Handlebar—Giant Contact SLR D-Fuse XS:404/380mm, S:404/380mm, M:424/400mm, M/L:424/400mm, L:444/420mm, XL:444/420mm
Front derailleurShimano Ultegra Di2 R8150, braze-onSram Force AXS E1
GripsSupacaz Super Sticky KushStratus Lite 3.0
Rear derailleurShimano Ultegra R8150, 12-speedSram Force AXS E1
StemFuture Stem, ProGiant Contact SL AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
CassetteShimano Ultegra CS-R8100, 12-speed, 11-34tSram Force E1, 12-speed, 10-36 XG-1270-E1
SeatpostS-Works PaveGiant D-Fuse SLR, composite, -5/+15mm offset
ChainShimano XT CN-M8100, 12-speedSram Force E1, 12-speed
SaddleBody Geometry Power ExpertGiant Fleet SL
CranksetShimano Ultegra R8100, 50/34tSram Force E1 DUB,33/46 with power meter XS: 165mm, S: 165mm, M: 170mm, M/L: 170mm, L: 172.5mm, XL: 172.5mm
Shifters—Sram Force AXS E1
Bottom bracketShimano Threaded BSA BB—
Front wheelRoval C38, 21mm internal width carbon rim—
Front tyreMondo TLR Endurance Tire, 700x32, GRIPTON T2/T5—
Brakes—SRAM Force AXS E1 hydraulic, SRAM CenterLine X rotors [F]160mm, [R]160mm
Rear tyreMondo TLR Endurance Tire, 700x32, GRIPTON T2/T5—
Brake levers—SRAM Force AXS E1 hydraulic
Rear wheelRoval C38, 21mm internal width carbon rim, tubeless ready—
Inner tubes700x28-38mm, 48mm Presta valve—
HandlebarSpecialized Hover Expert, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole—
Rims—Giant SLR 0 40 Carbon Disc WheelSystem
Hubs—[F] Giant Low Friction Hub, CenterLock, 12mm thru-axle [R] Giant Low Friction Hub, 40T ratchet driver, CenterLock, 12mm thru-axle
Spokes—Aero Carbon
Tyres—CADEX Classics, tubeless, 700x32c (33.5mm), folding
Seatpost clampHidden drop clamp—
Extras—computer mount, fender mount, water bottle cages, tubeless prepared
Product ID221822—
Maximum tyre clearance—40mm
Weight8.17 kg (18 lb, 0.2 oz)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.
Size used for weighing56—

Geometry

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GeometrySpecialized Roubaix SL8 Expert - Shimano Ultegra Di2Giant Defy Advanced Pro 0-AXS