Brompton A Line vs Felt AR FRD Ultimate Dura-ACE DI2

Compare Specifications of Brompton A Line and Felt AR FRD Ultimate Dura-ACE DI2

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Brompton A Line
Brompton A Line

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Felt AR FRD Ultimate Dura-ACE DI2
Felt AR FRD Ultimate Dura-ACE DI2

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Model:

Brand:

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Technical Specifications
Drivetrain Brompton 3 speed drivetrain, 177% range 2x11-speed
Riding Modes 3 Speed (Utility) --
Frame Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Hand brazed cold-formed micro-alloy steel tubing
Felt AeroRoad 3.0 UHC Ultimate + TeXtreme carbon fiber
Stem -- Felt Sprint UHC Advanced carbon fiber
Handle Bar Mid handlebar PRO Vibe Aero Superlight
Fork Steel Brazed Fork Felt AeroRoad 3.0 UHC Ultimate + TeXtreme carbon fiber
Seatpost Extended, Silver (35") Felt AeroRoad IL 2.0 UHC Advanced + TeXtreme carbon fiber
Grip Push-on Rubber Grips Felt VelvetGel tape with 3M reflective base and Felt Bubble-Tech F-Wing bar end plugs
Crankset -- Shimano Dura-Ace R9100, 52/36T
Crank Length : 48cm: 167.5 mm / 51cm: 170 mm / 54, 56cm: 172.5 mm / 58, 61cm: 175 mm
Pedals Non-folding Composite Pedals --
Chain 6061 forged aluminium crank with 44T chainring and integrated chainguard Shimano Dura-Ace HG901
Shifters Brompton 3 Speed Shifter Shimano Dura-Ace Di2 R9170
Saddle A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish
Prologo Dimension 143 Nack
Headset Brompton Headset IS (NO.44)
Derailleur Front -- Shimano Dura-Ace R9150 Di2, braze-on
Derailleur Rear Brompton Chain Pusher Shimano Dura-Ace R9150 Di2, short cage
Cassette -- Shimano Dura-Ace R9100, 11-28T
Sprocket 13 Tooth --
Bottom Bracket Square taper bottom bracket CeramicSpeed EVO386 for Shimano Road
Tyres
Front Schwalbe Marathon Racer Continental Grand Prix 5000 TL, 700 x 25c
Rear Schwalbe Marathon Racer Continental Grand Prix 5000 TL, 700 x 25c
Wheel / RIM Rear Wheel: Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket
Front Wheel: Double wall rims, 28 spokes laced to a Brompton front hub
HED Vanquish RC6 Pro Series, 12 mm, Shimano
Tube Schrader Valve --
Brakes
Front Brompton A Line calipers Disc, Flat Mount 140 mm minimum rotor
Rear Brompton A Line calipers Disc, Flat Mount 25 mm thickness, 140 mm minimum rotor
Suspension
Front -- --
Rear -- --
Colors Available
Colors White --


Physical Specs
Length -- --
Weight 11.5 kg 7.64 kg
Overview
About The Brompton A Line is a practical bicycle designed with a focus on utility. Its technical spec Read More --
Features - 3 Easy to use hub gears
- Folds in 20 seconds
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Additional Details Folded Size: 25.3' H' x 23'' W x 10.6'' D
Hinge Clamps: Composite hinge clamp levers
Sizes : 6 | 48, 51, 54, 56, 58, 61cm
Frame Technologies : MMC / InsideOut
Derailleur Hanger Type Front : Brazed-On | integrated backup plate, non-replaceable, aluminum
Derailleur Hanger Type Rear : Standard Mount TA 12x142 road, replaceable, aluminum
Protector Type : Felt SteererStop integration for replaceable brake and shift protection / Felt CDRoad integration for chain drop protection / Felt ChainPlate for chain suck protection / Clear vinyl for chain slap protection
Brake Calipers : Shimano Dura-Ace R9170, hydraulic disc, flat mount
Routing Type : Semi-Hidden electronic specific
Fork Technologies : Monocoque construction / Integrated crown race

Which one do you think is better? And why?
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