Kestrel Legend SL Shimano Dura ACE vs Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Compare Specifications of Kestrel Legend SL Shimano Dura ACE and Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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Kestrel Legend SL Shimano Dura ACE
Kestrel Legend SL Shimano Dura ACE

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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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Technical Specifications
Frame Kestrel Super Light (KSL) 800K high-modulus carbon fiber, PF30 BB S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Stem ZIPP Service Course SL, 7075 3D-forged alloy, 31.8 mm, +/- 6 Roval Rapide Cockpit, Integrated Bar/Stem
Handle Bar ZIPP Service Course SL 80, 31.8 mm Roval Rapide Cockpit, Integrated Bar/Stem
Fork KSL full-carbon, 1 1/8" - 1 1/2" tapered steerer --
Seatpost -- S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Grip -- Supacaz Super Sticky Kush
Crankset Shimano Dura-Ace, 52/36T Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter
Chain Shimano Dura-Ace, 11-speed Shimano Dura-Ace, 12-speed
Shifters Shimano Dura-Ace STI, 11-speed --
Saddle Prologo Zero II, Cromo rails Body Geometry S-Works Power, carbon fiber rails, carbon fiber base
Headset ACROS The Clamp integrated 1 1/8" top, 1 1/2" bottom --
Derailleur Front Shimano Dura-Ace, braze-on Shimano Dura-Ace R9250, braze-on
Derailleur Rear Shimano Dura-Ace, 11-speed Shimano Dura-Ace R9250, 12-speed
Cassette Shimano Dura-Ace, 11-28T, 11-speed Shimano Dura-Ace, 12-speed, 11-30t
Chainrings -- 52/36T
Bottom Bracket Praxis PF30 Conversion 24 mm spindle Shimano Dura-Ace, BB-R9200
Tyres
Front Vittoria Corsa, 700 x 25c, folding S-Works Turbo Rapidair 2BR, 700x26mm
Rear Vittoria Corsa, 700 x 25c, folding S-Works Turbo Rapidair 2BR, 700x26mm
Wheel / RIM Oval Concepts 723, 700c 20/28H tubeless compatible rims 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
Tube -- Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve
Brakes
Front -- Shimano Dura-Ace R9270, hydraulic disc
Rear -- Shimano Dura-Ace R9270, hydraulic disc
Brake Lever Shimano Dura-Ace STI Shimano Dura-Ace R9270, hydraulic disc
Suspension
Front -- S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
Rear -- --
Colors Available
Colors Satin Blue Satin Fog Tint / Green Ghost Pearl / Red Ghost Pearl Fade
Satin Carbon / Viavi Cynan Blue / Viavi Silver-Blue Pearl Fade / Gloss Metallic White Silver


Physical Specs
Length -- --
Weight 6.82 kg 6.62 kg
Overview
Features -- --
Additional Details Sizes : 48cm, 51cm, 54cm, 57cm, 60cm --

Which one do you think is better? And why?
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