Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 vs Trek Domane SL 4

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Compare Specifications of Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 and Trek Domane SL 4

Selected Bikes

Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 Brand: -- Select Brand -- Model: -- Select Model --

Trek Domane SL 4 Brand: -- Select Brand -- / Model: -- Select Model --

Brand: -- Select Brand -- Model: -- Select Model --

Brand: -- Select Brand -- Model: -- Select Model --

Technical Specifications

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc	500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142 x 12 mm thru axle
Stem	Roval Rapide Cockpit, Integrated Bar/Stem	Size : 44 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : 47 - 70 mm length ) Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length ( Size : 50 - 80 mm length ) Size : 56, 58 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 110 mm length
Handle Bar	Roval Rapide Cockpit, Integrated Bar/Stem	Size : 44, 47 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 36cm width Size : 50 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38cm width Size : 52 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40cm width Size : 54, 56 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width
Fork	--	Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset	Size : 44, 47, 50, 52, 54, 56 - Bontrager aluminum internal seatmast cap, 10 mm offset, short length Size : 58, 60, 62 - Bontrager aluminum internal seatmast cap, 10 mm offset, tall length
Grip	Supacaz Super Sticky Kush	Bontrager Supertack Perf tape
Crankset	Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter	Size : 44, 47 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 165 mm length Size : 50, 52 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 170 mm length Size : 54, 56 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 172.5 mm length Size : 58, 60, 62 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 175 mm length
Chain	Shimano Dura-Ace, 12-speed	Shimano Tiagra HG54, 10 speed
Shifters	--	Shimano Tiagra R4725, short reach lever, 10 speed
Saddle	Body Geometry S-Works Power, carbon fiber rails, carbon fiber base	Bontrager Arvada Comp, steel rails, 138 mm width
Headset	--	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front	Shimano Dura-Ace R9250, braze-on	Shimano 105 R7000, braze-on
Derailleur Rear	Shimano Dura-Ace R9250, 12-speed	Shimano Tiagra 4700, long cage, 34T max cog
Hub Front	--	Bontrager alloy, sealed bearing, centerlock, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	--	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	--	14g stainless steel
Cassette	Shimano Dura-Ace, 12-speed, 11-30t	Shimano Tiagra HG500, 12-28, 10 speed
Chainrings	52/36T	50 / 34 (compact)
Bottom Bracket	Shimano Dura-Ace, BB-R9200	Praxis, T47 threaded, internal bearing

Tyres

Front	S-Works Turbo Rapidair 2BR, 700x26mm	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Rear	S-Works Turbo Rapidair 2BR, 700x26mm	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Wheel / RIM	Front: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes Rear: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve
Tube	Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve	--

Brakes

Front	Shimano Dura-Ace R9270, hydraulic disc	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	Shimano Dura-Ace R9270, hydraulic disc	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	Shimano Dura-Ace R9270, hydraulic disc	Shimano Tiagra R4720, 10 speed

Suspension

Front	S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc	--
Rear	--	--

Colors Available

Colors

Satin Fog Tint / Green Ghost Pearl / Red Ghost Pearl Fade Satin Carbon / Viavi Cynan Blue / Viavi Silver-Blue Pearl Fade / Gloss Metallic White Silver

Slate/Radioactive Red Voodoo Trek Black

Physical Specs

Length	--	--
Weight	6.62 kg	9.87 kg

Overview

Features	--	- Massive tire clearance - IsoSpeed Decoupler - 500 Series OCLV - Endurance Fit - Micro-Adjust Seatmast - Additional Tire Clearance - Endurance Geometry - Performance Cable Routing - Fender Compatible
Accessories	--	Bontrager BITS Internal Frame Storage Bag

Which one do you think is better? And why?

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