Specialized Sirrus X 3.0 vs Surly Disc Trucker

Frame	Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts	Surly Long Haul Trucker, 100% Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded
Stem	3D-forged alloy, 31.8mm, 7-degree rise	Promax 31.8 4 bolt
Handle Bar	Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm	Surly Truckstop Bar
Fork	A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts	Surly Long Haul Trucker, 4130 CroMoly, lugged and brazed. Proprietary sloping crown with threaded eyelets, tapered and butted curved blades with mid-blade rack eyelets, dual dropout eyelets
Seatpost	Alloy, 12mm offset, 2-bolt clamp, 27.2mm	ProMax 27.2 350L non-offset (42-50), offset (52-64) Clamp: Surly Stainless, 30.0mm (Surly stainless included)
Grip	Specialized Neutralizer, Body Geometry, locking grip	Black Cork
Crankset	Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard	Shimano Alivio 48x36x26t
Pedals	Specialized Body Geometry Fitness, platform, plastic	--
Chain	KMC X9, 9-speed w/ Missing Link™	KMC X9
Shifters	MicroSHIFT SL-M9295, 9-speed	Shimano Sora 3x9
Saddle	Bridge Sport, Steel rails, 155/143mm	WTB Volt Sport
Headset	--	Cane Creek 40, 1-1/8"
Derailleur Front	--	Shimano Sora R3030
Derailleur Rear	microSHIFT Advent, 1x9 w/ clutch	Shimano Alivio M4000 SGS
Hub Front	Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h	Novatec 12x100, 6 bolt, 36H
Hub Rear	Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h	Novatec 12x142, 6 bolt, 36H
Spoke	Stainless, 14g	--
Cassette	microSHIFT Advent, 9-speed, 11-42t	Shimano Alivio, 11-34t, 9 speed
Chainrings	40T	--
Bottom Bracket	Threaded BSA 68mm	Shimano BB-RS500 2.5mm spacers, 2 spacers on the non-drive side.

Front	Pathfinder Sport, 700x42	(700c) Surly ExtraTerrestrial 700 x 41 (26") 42–62cm: Surly ExtraTerrestrial 26 x 46
Rear	Pathfinder Sport, 700x42	(700c) Surly ExtraTerrestrial 700 x 41 (26") 42–62cm: Surly ExtraTerrestrial 26 x 46
Wheel / RIM	700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h	Rims (26"): Alex Adventurer 2 Rims (700c): Alex Adventurer 2
Tube	Standard 40mm PV 700x32-50	--

Front	Tektro HD-R280, hydraulic disc, 160 mm rotor	TRP Spyre C, 160mm rotors
Rear	Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm	TRP Spyre C, 160mm rotors
Brake Lever	--	Shimano Sora

Front	--	--
Rear	--	--

Colors

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

Pea Lime soup Hi-Viz Black

Length	--	--
Weight	11.4 kg	--

Features	--	- Seatstay mounted spoke holder - Downtube mounted shifter bosses (cable housing stops not included with frameset) - Surly removable kickstand plate included with complete bikes. - Uses rear flat mount standard for front brake.
Additional Details	--	Sizes: 26" wheel 42–56cm, 700c wheel 56–64cm