Specialized Sirrus X 3.0 vs Trek FX Sport Carbon 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts	400 series OCLV carbon, IsoSpeed, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142 x 12 mm thru axle
Stem	3D-forged alloy, 31.8mm, 7-degree rise	Size : XS - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : S, M - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : L, XL - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 110 mm length
Handle Bar	Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm	Size : XS, S - Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width Size : M, L, XL - Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
Fork	A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts	FX Carbon, threadless alloy steerer, hidden fender mounts, flat mount disc, 405 mm axle-to-crown, 100 x 12 mm thru axle
Seatpost	Alloy, 12mm offset, 2-bolt clamp, 27.2mm	Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
Grip	Specialized Neutralizer, Body Geometry, locking grip	Bontrager Satellite IsoZone Plus, lock-on, ergonomic
Crankset	Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard	Size : XS, S - Shimano GRX RX600, 40T ring, 170 mm length Size : M, L, XL - Shimano GRX RX600, 40T ring, 175 mm length
Pedals	Specialized Body Geometry Fitness, platform, plastic	Wellgo M141, resin body, alloy cage
Chain	KMC X9, 9-speed w/ Missing Link™	Shimano HG601
Shifters	MicroSHIFT SL-M9295, 9-speed	Shimano RS700, 11 speed
Saddle	Bridge Sport, Steel rails, 155/143mm	Bontrager H1
Headset	--	1-1/8'' threadless, sealed cartridge bearings
Derailleur Rear	microSHIFT Advent, 1x9 w/ clutch	Shimano GRX RX812, long cage, 42T max cog
Hub Front	Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h	Shimano RXC400, centerlock, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h	Formula alloy, centerlock disc, 100 x 12 mm thru-axle
Spoke	Stainless, 14g	14g stainless steel
Cassette	microSHIFT Advent, 9-speed, 11-42t	Shimano SLX M7000, 11-42, 11 speed
Chainrings	40T	--
Bottom Bracket	Threaded BSA 68mm	Shimano BB71, 86.5 mm, PressFit

Front	Pathfinder Sport, 700x42	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Rear	Pathfinder Sport, 700x42	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Wheel / RIM	700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h	Bontrager Tubeless Ready Disc, 32-hole, presta valve
Tube	Standard 40mm PV 700x32-50	--

Front	Tektro HD-R280, hydraulic disc, 160 mm rotor	Shimano MT201 hydraulic disc, flat mount, 160 mm rotor Brake Rotor : Shimano RT10, centerlock, 160 mm
Rear	Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm	Shimano MT201 hydraulic disc, flat mount, 160 mm rotor Brake Rotor : Shimano RT10, centerlock, 160 mm

Front	--	--
Rear	--	--

Colors

Gloss Birch / Satin Taupe Reflective Satin Maroon / Black / Satin Black Reflective Gloss Metallic Obsidian / Satin Black Reflective

Dark Aquatic/Carbon Smoke Quicksilver/Carbon Smoke

Length	--	--
Weight	11.4 kg	9.55 kg

Features

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- Internal Cable Routing - 400 Series OCLV - IsoSpeed Decoupler - DuoTrap S Compatible - Hidden Fender Mounts - Puncture-Resistant Tires