Felt IA Advanced Ultegra DI2 vs Specialized S-Works Aethos - Campagnolo LTD

Compare Specifications of Felt IA Advanced Ultegra DI2 and Specialized S-Works Aethos - Campagnolo LTD

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Felt IA Advanced Ultegra DI2
Felt IA Advanced Ultegra DI2

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Specialized S-Works Aethos - Campagnolo LTD
Specialized S-Works Aethos - Campagnolo LTD

Brand:

Model:

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Model:

Brand:

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Technical Specifications
Frame Felt Integrated Aero Tri Disc UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, horizontal dropouts, replaceable rear derailleur hanger, internal mechanical or electronic cable routing S-Works Aethos FACT 12r Carbon, Rider First Engineered™, Threaded BB, Electronic cable routing only, 12x142mm thru-axle, flat-mount disc
Stem Felt Dagger 31.8 Cold Forged S-Works SL, alloy, titanium bolts, 6-degree rise
Handle Bar Devox Bayonet 3.1 base bar with Devox Ergomod extensions, ¯31.8 mm, 48 - 51 cm: 390 mm, 54 - 58 cm: 420 mm S-Works Short & Shallow, 125mm Drop, 75mm Reach w/Di2 Hole
Fork Felt Dagger Disc UHC Advanced carbon fiber monocoque construction, 1.125" carbon fiber steerer, upper cover, blades, dropouts, crown; internal disc-brake routing, flat-mount disc brake standard, 12 x 100 mm thru axle S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
Seatpost Felt VariMount Aero Tri UHC Advanced carbon fiber, 300 mm length Roval Alpinist Carbon Seatpost
Crankset Shimano Ultegra R8000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm CAMPAGNOLO Super Record, 12-speed
Chain Shimano 11-speed CAMPAGNOLO Super Record, 12-speed
Shifters Shimano Dura-Ace Di2 R9160 (aero extension) with right hand SW-R600 secondary shifter (base bar) --
Saddle ISM PS1.0 Body Geometry S-Works Power, carbon fiber rails, carbon fiber base
Headset FSA integrated, 1.125" 36¡/45¡ sealed ACB cartridge bearings MR122 {873E-RS}, split top race H2145 {No.11AGY-2} with Felt compression device --
Derailleur Front Shimano Ultegra R8050 Di2 braze-on CAMPAGNOLO Super Record, Braze-on
Derailleur Rear Shimano Ultegra R8050 Di2 11-speed short cage CAMPAGNOLO Super Record, 12-speed
Hub Front Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed XDR driver, 12 x 142 mm thru axle, Center Lock --
Hub Rear Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock --
Spoke Sapim Sprint bladed --
Cassette Shimano 11-speed, 11-28T CAMPAGNOLO Super Record, 12-speed, 10-29t
Chainrings -- 48/32T
Bottom Bracket -- CAMPAGNOLO, Threaded
Tyres
Front Continental Grand Sport Race folding, 700 x 25c S-works Turbo 2BR, 700x28mm
Rear Continental Grand Sport Race folding, 700 x 25c S-works Turbo 2BR, 700x28mm
Wheel / RIM Reynolds AR58/62 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth front, 62 mm depth rear Front Wheel - CAMPAGNOLO Hyperon Ultra, 21mm internal carbon rim, 37mm depth, tubeless ready
Rear Wheel - CAMPAGNOLO Hyperon Ultra, 21mm internal carbon rim, 37mm depth, tubeless ready
Tube -- Inner Tubes - Turbo Ultralight, 48mm Presta valve
Brakes
Front TRP HD-T910 hydraulic disc, 140 mm rotor CAMPAGNOLO Super Record, Hydraulic Disc
Rear TRP HD-T910 hydraulic disc, 140 mm rotor CAMPAGNOLO Super Record, Hydraulic Disc
Brake Lever TRP HD-T910 hydraulic with integrated secondary shift buttons (right lever only) --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Matte TeXtreme (White Geo)
Matte TeXtreme (Spatter, Gloss Charcoal)
Satin Birch / Black Pearl


Physical Specs
Length -- --
Weight 9.55 kg --
Overview
Features -- --
Additional Details Bar tape : Devox Gel tape and new EVA arm pads with anti-microbial cover
Bottom Bracket : Shimano Hollowtech BSA threaded
Seatpost Clamp : Felt Internaloc integrated with titanium bolts
Thru axle : Front: 12 x 100 x 118, thread: M12 x 1.5P x 13L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace
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Accessories Carbon assembly paste,
Aero seatpost slot covers,
IA CALpac 2.0, Di2 Internal battery charger,
IA BTSpac storage box,
Tubeless valve stems
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Which one do you think is better? And why?
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