Felt B Performance Ultegra Mix vs Polygon Strattos S2

Compare Specifications of Felt B Performance Ultegra Mix and Polygon Strattos S2

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Felt B Performance Ultegra Mix
Felt B Performance Ultegra Mix

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Frame Felt Aero TT/Tri UHC Performance carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, horizontal dropouts with integrated dropout adjusters, internal mechanical or electronic cable routing ALX All-Round, QRx130mm
Stem Devox Tri, ±17¡ rise, ¯31.8 mm, 47 cm (650c) : 60 mm, 51 cm: 80 mm, 54 - 56 cm: 90 mm, 58 cm: 100 mm, 61 cm: 110 mm Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
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 Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Felt Aero TT/Tri UHC Performance carbon fiber blades and dropouts, 1.125" aluminum steerer tube Light Weight Carbon Fork, Straight 1-1/8"
Seatpost Felt DA/B Aero UHC Advanced carbon fiber, 350 mm length Entity Sport Alloy, 27.2 x 350mm
Crankset Shimano 105 R7000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm Prowheel Ounce-421C-TT-N 50/34T
Pedals -- Alloy Cage & Body w/ Reflector
Chain Shimano 11-speed KMC Z-8.3
Shifters microSHIFT TT 11-speed Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle Prologo Nago Evo Tri40 T2.0 Entity, Steel Dia 7mm
Headset FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap, IS-21, 1.125" Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front Shimano Ultegra R8000 braze-on Alloy QRx100mm 32H
Derailleur Rear Shimano Ultegra R8000 11-speed short cage Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Hub Front Devox TTR4, 100 mm QR, 24H --
Hub Rear Devox TTR3, sealed cartridge bearing, 11-speed, 130 mm QR, 28H --
Spoke 2.0 mm stainless steel --
Cassette Shimano 11-speed, 11-28T Shimano CS-HG31 11-30T
Bottom Bracket -- Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front Vittoria Zaffiro Pro Slick folding, 700 x 23c, 47 cm: Vittoria Rubino G+, 650 x 23c Performance Tire 700C​
Rear Vittoria Zaffiro Pro Slick folding, 700 x 23c, 47 cm: Vittoria Rubino G+, 650 x 23c Performance Tire 700C​
Wheel / RIM Devox 30A, tubeless compatible, 17 mm width, 27 mm depth Alloy Double Wall 622-15 32H
Brakes
Front Shimano 105 R7000 dual pivot caliper TEKTRO R315 Caliper
Rear TRP T822 TT direct mount caliper brake TEKTRO R315 Caliper
Brake Lever Aero TT/Tri Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors Matte Obsidian Grey (Aquafresh) Blue
Light Red


Physical Specs
Length -- --
Weight 8.82 kg --
Overview
Features - Carbon fiber frame and fork
- Aerodynamically optimized design
- Exceptional handling and fit customization
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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 Aero Integrated DA/B
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Accessories Carbon assembly paste --

Which one do you think is better? And why?
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