Felt IA Advanced Ultegra vs Specialized Sirrus X 3.0

Compare Specifications of Felt IA Advanced Ultegra and Specialized Sirrus X 3.0

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Felt IA Advanced Ultegra
Felt IA Advanced Ultegra

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Specialized Sirrus X 3.0
Specialized Sirrus X 3.0

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Model:

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Technical Specifications
Frame Felt Integrated Aero Tri Disc UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, horizontal dropouts, replaceable rear derailleur hanger, internal mechanical or electronic cable routing Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts
Stem Felt Dagger 31.8 Cold Forged 3D-forged alloy, 31.8mm, 7-degree rise
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 Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Fork Felt Dagger Disc UHC Advanced carbon fiber monocoque construction, 1.125" carbon fiber steerer, upper cover, blades, dropouts, crown; internal disc-brake routing, flat-mount disc brake standard, 12 x 100 mm thru axle A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts
Seatpost Felt VariMount Aero Tri UHC Advanced carbon fiber, 300 mm length Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Grip -- Specialized Neutralizer, Body Geometry, locking grip
Crankset Shimano Ultegra R8000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard
Pedals -- Specialized Body Geometry Fitness, platform, plastic
Chain Shimano 11-speed KMC X9, 9-speed w/ Missing Link™
Shifters microSHIFT TT 11-speed MicroSHIFT SL-M9295, 9-speed
Saddle ISM PS1.0 Bridge Sport, Steel rails, 155/143mm
Headset FSA integrated, 1.125" 36¡/45¡ sealed ACB cartridge bearings MR122 {873E-RS}, split top race H2145 {No.11AGY-2} with Felt compression device --
Derailleur Front Shimano Ultegra R8000 braze-on --
Derailleur Rear Shimano Ultegra R8000 11-speed short cage microSHIFT Advent, 1x9 w/ clutch
Hub Front Devox RSL3D, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, 6-bolt, 28H Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Hub Rear Devox RSL3D, sealed cartridge bearing, 12 x 100 mm thru axle, 6-bolt, 28H Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Spoke 2.0 mm stainless steel Stainless, 14g
Cassette Shimano 11-speed, 11-28T microSHIFT Advent, 9-speed, 11-42t
Chainrings -- 40T
Bottom Bracket -- Threaded BSA 68mm
Tyres
Front Continental Grand Sport Race folding, 700 x 25c Pathfinder Sport, 700x42
Rear Continental Grand Sport Race folding, 700 x 25c Pathfinder Sport, 700x42
Wheel / RIM Devox 30A Disc, tubeless ready, 19 mm width, 30 mm depth 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Tube -- Standard 40mm PV 700x32-50
Brakes
Front TRP HD-T910 hydraulic disc, 140 mm rotor Tektro HD-R280, hydraulic disc, 160 mm rotor
Rear TRP HD-T910 hydraulic disc, 140 mm rotor Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Brake Lever TRP HD-T910 hydraulic --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Matte TeXtreme (White Geo)
Matte TeXtreme (Spatter, Gloss Charcoal)
Gloss Birch / Satin Taupe Reflective
Satin Maroon / Black / Satin Black Reflective
Gloss Metallic Obsidian / Satin Black Reflective


Physical Specs
Length -- --
Weight 9.93 kg 11.4 kg
Overview
Features -- --
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 Internaloc integrated with titanium bolts
Thru axle : Front: 12 x 100 x 118, thread: M12 x 1.5P x 13L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace
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Accessories Carbon assembly paste
Aero seatpost slot covers
IA CALpac 2.0
IA BTSpac storage box
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Which one do you think is better? And why?
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