Felt TA FRD Ultimate vs Specialized Sirrus X 3.0

Compare Specifications of Felt TA FRD Ultimate and Specialized Sirrus X 3.0

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Felt TA FRD Ultimate
Felt TA FRD Ultimate

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Specialized Sirrus X 3.0
Specialized Sirrus X 3.0

Brand:

Model:

Brand:

Model:

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Technical Specifications
Drivetrain 1x1-speed --
Frame Felt TrackAero 1.0 UHC Ultimate + TeXtreme carbon fiber Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts
Stem -- 3D-forged alloy, 31.8mm, 7-degree rise
Handle Bar Aerobar-Stem-Combination: TA 1.0 - Felt Bayonet 3 Direct ASC | UHC Ultimate + TeXtreme carbon fiber / Extensions: Devox ƒ-Bend | carbon fiber, 3-position / Extensions: Devox ƒ-Bend | aluminum, 3-position / Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Fork Felt TrackAero 1.0 - Bayonet 3 UHC Ultimate + TeXtreme carbon fiber A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts
Seatpost Felt TrackAero IL 1.0 UHC Advanced carbon fiber Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Grip Integrated GripPaint Specialized Neutralizer, Body Geometry, locking grip
Crankset -- Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard
Pedals -- Specialized Body Geometry Fitness, platform, plastic
Chain CeramicSpeed UFO Racing Track, 3/32" KMC X9, 9-speed w/ Missing Link™
Shifters -- MicroSHIFT SL-M9295, 9-speed
Saddle Saddle for Elite track riding is typically determined by National or Professional Trade Team. If this is not the case for you, Felt has incredible experience in testing and would happily discuss which saddles we recommend in your purchase of a TA FRD. Bridge Sport, Steel rails, 155/143mm
Derailleur Rear -- microSHIFT Advent, 1x9 w/ clutch
Hub Front "Race": Proprietary Felt & HED Track 95mm spline drive / "Train": Proprietary Felt & Phil Wood Track 95 mm spline drive, black Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Hub Rear "Race": Proprietary Felt & HED Track 70 mm / "Train": Proprietary Felt & Phil Wood Track 70 mm, black Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Spoke "Train": HED, J-Bend, Bladed, stainless steel, black Stainless, 14g
Cassette Proprietary Felt & Phil Wood LHD spline drive cog set - 13, 14, 15, 16T, 3/32" / "Race": Proprietary Felt & Phil Wood aluminum track lock ring, silver / "Train": Proprietary Felt & Phil Wood aluminum track lock ring, black microSHIFT Advent, 9-speed, 11-42t
Chainrings -- 40T
Bottom Bracket CeramicSpeed BB30 Coated / Proprietary Felt & Vision "Race" and "Train" aero spacers Threaded BSA 68mm
Tyres
Front -- Pathfinder Sport, 700x42
Rear -- Pathfinder Sport, 700x42
Wheel / RIM "Race": Proprietary Felt & HED Volo Track Disc, 70 mm / "Train": Proprietary Felt, HED, Phil Wood Stinger 6 Track, 70 mm 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Tube -- Standard 40mm PV 700x32-50
Brakes
Front -- Tektro HD-R280, hydraulic disc, 160 mm rotor
Rear -- Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Gloss Birch / Satin Taupe Reflective
Satin Maroon / Black / Satin Black Reflective
Gloss Metallic Obsidian / Satin Black Reflective


Physical Specs
Length -- --
Weight 7.29 kg 11.4 kg
Overview
Features -- --
Additional Details Sizes : Custom Fit
Frame Technologies : Left Hand Drive Asymmetry / MMC / InsideOut
Head-Tube Type : Felt Bayonet 3 - TrackAero 19 mm
Protector Type : Steerer stop integration for head tube protection / Clear vinyl for chain slap protection
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Which one do you think is better? And why?
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