Specialized Sirrus X 3.0 vs Trek Roscoe 8

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	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5 mm QR
Stem	3D-forged alloy, 31.8mm, 7-degree rise	Size : XS, S, M - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 50 mm length Size : M/L, L, XL, XXL - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 60 mm length
Handle Bar	Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm	Size : XS - Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width Size : S, M, M/L, L, XL, XXL - Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Fork	A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts	RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Seatpost	Alloy, 12mm offset, 2-bolt clamp, 27.2mm	Size : XS, S, M - TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size : M/L, L, XL, XXL - TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm length
Grip	Specialized Neutralizer, Body Geometry, locking grip	Bontrager XR Trail Comp, nylon lock-on
Crankset	Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard	Size : XS, S - Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 170 mm length Size : M, M/L, L, XL, XXL - Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 175 mm length
Pedals	Specialized Body Geometry Fitness, platform, plastic	VP-536 nylon platform
Chain	KMC X9, 9-speed w/ Missing Link™	SRAM NX Eagle, 12 speed
Shifters	MicroSHIFT SL-M9295, 9-speed	SRAM NX Eagle, 12 speed
Saddle	Bridge Sport, Steel rails, 155/143mm	Bontrager Arvada, steel rails, 138 mm width
Headset	--	Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Rear	microSHIFT Advent, 1x9 w/ clutch	SRAM NX Eagle
Hub Front	Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h	Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 freehub, Boost141, 5 mm QR
Hub Rear	Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spoke	Stainless, 14g	14g stainless steel
Cassette	microSHIFT Advent, 9-speed, 11-42t	SRAM PG-1230 Eagle, 11-50, 12 speed
Chainrings	40T	32T
Bottom Bracket	Threaded BSA 68mm	Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle

Front	Pathfinder Sport, 700x42	Maxxis Rekon, tubeless, 60 tpi, 27.5 x 2.80''
Rear	Pathfinder Sport, 700x42	Maxxis Rekon, tubeless, 60 tpi, 27.5 x 2.80''
Wheel / RIM	700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h	Bontrager Line 40, Tubeless Ready, 28-hole, 40 mm width, presta valve
Tube	Standard 40mm PV 700x32-50	--

Front	Tektro HD-R280, hydraulic disc, 160 mm rotor	Shimano hydraulic disc, MT501 lever, MT500 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm
Rear	Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm	Shimano hydraulic disc, MT501 lever, MT500 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm

Front	--	--
Rear	--	--

Colors

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

Dark Aquatic/Metallic Gunmetal Matte Black/Red/Marigold Fade

Length	--	--
Weight	11.4 kg	14.65 kg

Features

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- 27.5 Plus traction - Suspension Lockout - Rack Mounts - Rear Kickstand Mount - Internal Cable Routing - Dropper Post