Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 vs Surly Pack Rat

Compare Specifications of Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 and Surly Pack Rat

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Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2
Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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Surly Pack Rat
Surly Pack Rat

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Model:

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Technical Specifications
Frame S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc Surly Pack Rat, Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded. ED coated
Stem Roval Rapide Cockpit, Integrated Bar/Stem ProMax 31.8 4 bolt
Handle Bar Roval Rapide Cockpit, Integrated Bar/Stem ProMax Flare-Out
Fork -- Surly Pack Rat, 4130 CroMoly, lugged & brazed.
Seatpost S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset ProMax 27.2 350L offset
Clamp: Surly stainless, 30.0mm
Grip Supacaz Super Sticky Kush Black Cork
Crankset Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter Shimano FC-R460 48x34t
Chain Shimano Dura-Ace, 12-speed KMC X10
Shifters -- Shimano Tiagra ST-4700
Saddle Body Geometry S-Works Power, carbon fiber rails, carbon fiber base WTB Volt Sport
Headset -- Cane Creek custom 5, 1-1/8"
Derailleur Front Shimano Dura-Ace R9250, braze-on Shimano Tiagra FD-4700
Derailleur Rear Shimano Dura-Ace R9250, 12-speed Shimano Tiagra RD-4700 GS
Hub Front -- Formula RB-51 32h QR
Hub Rear -- Formula RB-52 32h QR
Cassette Shimano Dura-Ace, 12-speed, 11-30t --
Chainrings 52/36T --
Bottom Bracket Shimano Dura-Ace, BB-R9200 Shimano BB-RS500
Tyres
Front S-Works Turbo Rapidair 2BR, 700x26mm 26/650b- Panaracer Pasela 26x1.5, 650b x 42
Rear S-Works Turbo Rapidair 2BR, 700x26mm 26/650b- Panaracer Pasela 26x1.5, 650b x 42
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
Rims: Alex Adventurer 2, Tubeless Ready
Tube Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve --
Brakes
Front Shimano Dura-Ace R9270, hydraulic disc Tektro CR720
Rear Shimano Dura-Ace R9270, hydraulic disc Tektro CR720
Brake Lever Shimano Dura-Ace R9270, hydraulic disc Shimano Tiagra ST-4700
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
Gray Haze


Physical Specs
Length -- --
Weight 6.62 kg --
Overview
Features -- Downtube mounted shifter bosses (cable housing stops not included with frameset)
Additional Details -- Rack: Surly 8-Pack Rack
Cog or cogset: Microshift 10 spd, 11-34t

Which one do you think is better? And why?
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