Felt IA FRD Ultimate Dura-Ace Di2 vs Polygon Strattos S2

Compare Specifications of Felt IA FRD Ultimate Dura-Ace Di2 and Polygon Strattos S2

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

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Drivetrain 2x11-speed --
Frame Felt IntegratedAero Disc 1.0 UHC Ultimate + TeXtreme carbon fiber ALX All-Round, QRx130mm
Stem Felt Dagger Direct SuperLite aluminum Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar Basebar: Devox Dagger Direct UHC Ultimate + Nano / Extensions: Devox ƒ-Bend | carbon fiber, 3-position Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Felt IntegratedAero Disc 1.0 - Dagger UHC Ultimate + TeXtreme carbon fiber Light Weight Carbon Fork, Straight 1-1/8"
Seatpost Felt Aero TRI IL 1.0 VM | UHC Advanced + TeXtreme carbon fiber Entity Sport Alloy, 27.2 x 350mm
Grip Felt Dimpled gel pads, Felt VelvetGel tape, and Felt bar end plugs --
Crankset Shimano Dura-Ace R9100, 52/36T Prowheel Ounce-421C-TT-N 50/34T
Pedals -- Alloy Cage & Body w/ Reflector
Chain Shimano Dura-Ace HG901 KMC Z-8.3
Shifters Basebar: Shimano Dura-Ace Di2 R9180, TRI/TT / Extensions: Shimano Dura-Ace Di2 SW-R9160, TRI/TT Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle ISM PS1.0 Ti Entity, Steel Dia 7mm
Headset IS (IS-2) Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front Shimano Dura-Ace R9150 Di2, braze-on Alloy QRx100mm 32H
Derailleur Rear Shimano Dura-Ace R9150 Di2, short cage Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Cassette Shimano Dura-Ace R9100, 11-28T Shimano CS-HG31 11-30T
Bottom Bracket CeramicSpeed BSA for Shimano Road Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front Continental Grand Prix 5000 TL, 700 x 25c Performance Tire 700C​
Rear Continental Grand Prix 5000 TL, 700 x 25c Performance Tire 700C​
Wheel / RIM ZIPP 454/858 NSW Carbon Tubeless Disc-brake, SRAM/Shimano Alloy Double Wall 622-15 32H
Brakes
Front Disc, Flat Mount 140 mm minimum rotor TEKTRO R315 Caliper
Rear Disc, Flat Mount 25 mm thickness, 140 mm minimum rotor TEKTRO R315 Caliper
Brake Lever Shimano Dura-Ace R9180, TRI/TT, hydraulic Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Blue
Light Red


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
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Which one do you think is better? And why?
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