Compare bikes

Differences only
Specialized Roubaix SL8 Expert - Shimano Ultegra Di2

Specialized

Roubaix SL8 Expert - Shimano Ultegra Di2

2026

$5,999.99

Scott Addict 20

Scott

Addict 20

Year not recorded

$5,499.99

Add a bike

Overview

CategoryRoadRoad
Model year2026Year not recorded
Wheel size—700c (XXS_47, XS_49, S_52, M_54, L_56, XL_58, XXL_61)

Components

Select a size for each bike to compare size-specific components.

FrameFACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount discAddict HMF Carbon, ride geometry, replaceable UDH derailleur hanger, internal cable routing, integrated storage
Crank length44: 165mm 49: 165mm 52: 170mm 54: 172.5mm 56: 172.5mm 58: 175mm 61: 175mm 64: 175mm—
ForkFuture Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount discAddict HMF Flatmount Disc, 27.2 mm eccentric carbon steerer
Handlebar width44: 360mm 49: 380mm 52: 400mm 54: 420mm 56: 420mm 58: 440mm 61: 440mm 64: 440mmXXS_47: 360.0 mm XS_49: 380.0 mm S_52: 380.0 mm M_54: 400.0 mm L_56: 400.0 mm XL_58: 420.0 mm XXL_61: 420.0 mm
Front brakeShimano Ultegra R8100, hydraulic brake—
Stem length44: 70mm 49: 80mm 52: 90mm 54: 100mm 56: 100mm 58: 110mm 61: 110mm 64: 120mmXXS_47: 70.0 mm XS_49: 80.0 mm S_52: 80.0 mm M_54: 100.0 mm L_56: 100.0 mm XL_58: 110.0 mm XXL_61: 110.0 mm
Rear derailleurShimano Ultegra R8150, 12-speedShimano Ultegra Di2 RD-R8150 24 Speed, Electronic Shift System
Rear brakeShimano Ultegra R8100, hydraulic brake—
Saddle width44: 155mm 49: 155mm 52: 155mm 54: 143mm 56: 143mm 58: 143mm 61: 143mm 64: 143mm—
Front derailleurShimano Ultegra Di2 R8150, braze-onShimano Ultegra Di2 FD-R8150, Electronic Shift System
Shift leversShimano Ultegra Di2 R8170, hydraulic disc—
Seatpost length44: 380mm 49: 380mm 52: 380mm 54: 380mm 56: 380mm 58: 450mm 61: 450mm 64: 450mm—
Shifters—Shimano Ultegra Di2 ST-R8170, 24 Speed Electronic Shift System, Shimano BR-R8170 Hyd.Disc
CranksetShimano Ultegra R8100, 50/34tShimano Ultegra FC-R8100, Hollowtech II, 50-34T
Bottom bracket set—Shimano SM-BB71-41B
CassetteShimano Ultegra CS-R8100, 12-speed, 11-34tShimano CS-R7100, 11-34
ChainShimano XT CN-M8100, 12-speedShimano CN-M6100
Brakes—Shimano BR-R8170 Hyd.Disc
Bottom bracketShimano Threaded BSA BB—
Front brake rotor—Shimano RT-CL800, 160mm
Front wheelRoval C38, 21mm internal width carbon rim—
Rear brake rotor—Shimano RT-CL800, 160mm
Front tyreMondo TLR Endurance Tire, 700x32, GRIPTON T2/T5Schwalbe ONE Fold, 700x34C
GripsSupacaz Super Sticky KushSyncros RC Bartape
Rear tyreMondo TLR Endurance Tire, 700x32, GRIPTON T2/T5Schwalbe ONE Fold, 700x34C
Handlebar—Syncros HB-R100-CF
Rear wheelRoval C38, 21mm internal width carbon rim, tubeless ready—
Handlebar stem—Syncros ST-R310-AL
Inner tubes700x28-38mm, 48mm Presta valve—
SeatpostS-Works PaveSyncros SP-R101-CF
StemFuture Stem, Pro—
Saddle—Syncros Tofino V 2.0 Cut Out
HandlebarSpecialized Hover Expert, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole—
Headset—Acros AIF-1317
Crank arm length—XXS_47: 165.0 mm XS_49: 165.0 mm S_52: 170.0 mm M_54: 170.0 mm L_56: 172.5 mm XL_58: 172.5 mm XXL_61: 175.0 mm
Wheelset—Fulcrum WIND 42 DB Carbon, 24 Front, 24 Rear, Syncros Axle
SaddleBody Geometry Power Expert—
Seatpost clampHidden drop clamp—
Extras—Syncros handlebar tool, Shimano Built in DN300
Product ID221822—
Approximate weight (kg)—8.3
Weight8.17 kg (18 lb, 0.2 oz)—
Approximate weight (lb)—18.3
Size used for weighing56—
Maximum system weight—120kg, The overall weight includes the bike, the rider, the equipment and possible additional luggage.
Key feature 1—Addict HMF Carbon frame
Key feature 2—Shimano Ultegra Di2 24 Speed drivetrain
Key feature 3—Shimano Ultegra brakes
Key feature 4—Fulcrum WIND 42 DB Carbon wheelset
Key feature 5—Schwalbe ONE Fold tires, 700x34C
Key feature 6—Syncros Carbon, Alloy components
Key feature 7—Syncros handlebar tool
Catalog key feature 1—SCOTT Endurance geometry

Geometry

Select a size for each bike to compare geometry.

GeometrySpecialized Roubaix SL8 Expert - Shimano Ultegra Di2Scott Addict 20