Felt IA FRD Ultimate Dura-Ace Di2 vs Ridley Grifn A

Compare Specifications of Felt IA FRD Ultimate Dura-Ace Di2 and Ridley Grifn A

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

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Ridley Grifn A
Ridley Grifn A

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Technical Specifications
Drivetrain 2x11-speed --
Frame Felt IntegratedAero Disc 1.0 UHC Ultimate + TeXtreme carbon fiber Grifn A, Multiple mounting points, fender mounts, internal dynamo routing, UDH, 12x142TA
Stem Felt Dagger Direct SuperLite aluminum --
Handle Bar Basebar: Devox Dagger Direct UHC Ultimate + Nano / Extensions: Devox ƒ-Bend | carbon fiber, 3-position --
Fork Felt IntegratedAero Disc 1.0 - Dagger UHC Ultimate + TeXtreme carbon fiber --
Seatpost Felt Aero TRI IL 1.0 VM | UHC Advanced + TeXtreme carbon fiber --
Grip Felt Dimpled gel pads, Felt VelvetGel tape, and Felt bar end plugs --
Crankset Shimano Dura-Ace R9100, 52/36T --
Chain Shimano Dura-Ace HG901 --
Shifters Basebar: Shimano Dura-Ace Di2 R9180, TRI/TT / Extensions: Shimano Dura-Ace Di2 SW-R9160, TRI/TT --
Saddle ISM PS1.0 Ti --
Headset IS (IS-2) --
Derailleur Front Shimano Dura-Ace R9150 Di2, braze-on --
Derailleur Rear Shimano Dura-Ace R9150 Di2, short cage --
Cassette Shimano Dura-Ace R9100, 11-28T --
Bottom Bracket CeramicSpeed BSA for Shimano Road --
Tyres
Front Continental Grand Prix 5000 TL, 700 x 25c --
Rear Continental Grand Prix 5000 TL, 700 x 25c --
Wheel / RIM ZIPP 454/858 NSW Carbon Tubeless Disc-brake, SRAM/Shimano 6061-T6 aluminum alloy
Brakes
Front Disc, Flat Mount 140 mm minimum rotor Flat Mount
Rear Disc, Flat Mount 25 mm thickness, 140 mm minimum rotor Flat Mount
Brake Lever Shimano Dura-Ace R9180, TRI/TT, hydraulic --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight 9.02 kg 110 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
Groupset - Shimano GRX400 2x10sp
Material - Aluminium

Which one do you think is better? And why?
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