Cannondale SuperSix EVO LAB71 vs Felt IA FRD Ultimate Dura-Ace Di2

Compare Specifications of Cannondale SuperSix EVO LAB71 and Felt IA FRD Ultimate Dura-Ace Di2

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Cannondale SuperSix EVO LAB71
Cannondale SuperSix EVO LAB71

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Felt IA FRD Ultimate Dura-Ace Di2
Felt IA FRD Ultimate Dura-Ace Di2

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Technical Specifications
Drivetrain -- 2x11-speed
Frame LAB71 SuperSix EVO, Ultralight Series 0 Carbon, integrated cable routing w/ Switchplate, 12x142 Syntace thru-axle, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense compatible Felt IntegratedAero Disc 1.0 UHC Ultimate + TeXtreme carbon fiber
Stem Cannondale SystemBar R-One - low drag, full carbon integrated bar/stem, internal routing Felt Dagger Direct SuperLite aluminum
Handle Bar Cannondale SystemBar R-One - low drag, full carbon integrated bar/stem, internal routing Basebar: Devox Dagger Direct UHC Ultimate + Nano / Extensions: Devox ƒ-Bend | carbon fiber, 3-position
Fork LAB71 SuperSix EVO, Ultralight Series 0 Carbon, integrated crown race, 12x100mm Syntace thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/4" Delta steerer, 55mm offset (44-54cm), 45mm offset (56-61cm) Felt IntegratedAero Disc 1.0 - Dagger UHC Ultimate + TeXtreme carbon fiber
Seatpost Cannondale C1 Aero 40 Carbon, 0mm offset (44-48cm), 20mm offset (51-61cm) Felt Aero TRI IL 1.0 VM | UHC Advanced + TeXtreme carbon fiber
Grip Fizik Tempo Bondcush Soft, 3mm Felt Dimpled gel pads, Felt VelvetGel tape, and Felt bar end plugs
Crankset Shimano Dura-Ace R9200, 52/36 Shimano Dura-Ace R9100, 52/36T
Chain Shimano Dura-Ace, 12-speed Shimano Dura-Ace HG901
Shifters Shimano Dura-Ace Di2 R9270, wireless, 2x12 Basebar: Shimano Dura-Ace Di2 R9180, TRI/TT / Extensions: Shimano Dura-Ace Di2 SW-R9160, TRI/TT
Saddle Fizik Vento Argo 00 Carbon ISM PS1.0 Ti
Headset Integrated, 1-1/8" - 1-1/4" IS (IS-2)
Derailleur Front Shimano Dura-Ace Di2 R9250 Shimano Dura-Ace R9150 Di2, braze-on
Derailleur Rear Shimano Dura-Ace Di2 R9250 Shimano Dura-Ace R9150 Di2, short cage
Hub Front HollowGram, sealed bearing 12x100mm centerlock --
Hub Rear HollowGram, 12x142mm centerlock w/ DT Swiss 240 internals --
Spoke DT Swiss Aerolite, straight-pull --
Cassette -- Shimano Dura-Ace R9100, 11-28T
Bottom Bracket CeramicSpeed BSA for Shimano Road, Coated Version CeramicSpeed BSA for Shimano Road
Tyres
Front Continental Grand Prix 5000, 700x25c Continental Grand Prix 5000 TL, 700 x 25c
Rear Continental Grand Prix 5000, 700x25c Continental Grand Prix 5000 TL, 700 x 25c
Wheel / RIM HollowGram R-SL 50, Carbon, 20h front, 24h rear, 50mm deep, 21mm inner width, tubeless ready ZIPP 454/858 NSW Carbon Tubeless Disc-brake, SRAM/Shimano
Brakes
Front Shimano Dura-Ace R9270, 160/140mm MT900 rotors Disc, Flat Mount 140 mm minimum rotor
Rear Shimano Dura-Ace R9270, 160/140mm MT900 rotors Disc, Flat Mount 25 mm thickness, 140 mm minimum rotor
Brake Lever Shimano Dura-Ace Di2 R9270 hydraulic disc Shimano Dura-Ace R9180, TRI/TT, hydraulic
Suspension
Front -- --
Rear -- --
Colors Available
Colors Marble Oxblood --


Physical Specs
Length -- --
Weight -- 9.02 kg
Handlebar Width -- 420
Overview
Features -- --
Additional Details -- Sizes : 5 | 48, 51, 54, 56, 58cm
Derailleur Hanger Type Front : Brazed-On integrated backup plate, non-replaceable, aluminum
Derailleur Hanger Type Rear : Standard Mount | TA 12x142 TRI/TT, horizontal, replaceable, aluminum
Protector Type : Steerer stop integration for head tube protection / Felt ChainPlate for chain suck protection / Clear vinyl for chain slap protection
Head-Tube Type : Felt Aero 1.125"
Routing Type : Semi-Hidden convertible for electronic or mechanical
Brake Calipers : Shimano Dura-Ace R9170, hydraulic disc, flat mount

Which one do you think is better? And why?
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