Surly ECR vs Trek Marlin 5 Gen 2

Frame	Surly ECR, 100% Surly 4130 CroMoly steel. ED coated. Double-butted main triangle. TIG-welded	Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Stem	ProMax 4 bolt, 31.8	Size: XXS Bontrager Comp, 31.8 mm, 7-degree, 35 mm length Size: XS Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length Size: S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length Size: M Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length Size: ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length Size: XL , XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length
Handle Bar	Surly Moloko	Size: XXS , XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size: S , M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	Surly ECR, TIG-welded custom-butted 4130 CroMoly, non-suspension corrected, 1-1/8˝ steerer tube, 203mm disc brake clearance	Size: XXS SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26" wheel Size: XS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel Size: S SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel Size: M , ML , L , XL , XXL SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel
Seatpost	SeatpostPromax 27.2, 350L, Offset Clamp: Surly Stainless, 30.0mm (Surly stainless included)	Size: XXS Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length Size: XS , S , M Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	Velo Lock-On	--
Crankset	SRAM NX Eagle 30T	Size: XXS Prowheel TM-CY10, 36/22, 160 mm length Size: XS , S , M Shimano M315, 36/22, 170 mm length Size: ML , L , XL , XXL Shimano M315, 36/22, 175 mm length
Chain	SRAM NX Eagle	KMC Z8.3, 8 speed
Shifters	SRAM NX Eagle	Size: XXS , XS , S , M , ML , L , XL , XXL Shimano M315, 2-speed Size: XXS , XS , S , M , ML , L , XL , XXL Shimano M315, 8-speed
Saddle	WTB Volt Sport	Bontrager Arvada, steel rails, 138 mm width
Headset	Cane Creek, 40 series, 1-1/8"	Semi-integrated, 1-1/8"
Derailleur Front	--	Shimano Altus M315, 34.9 mm clamp, top swing, dual pull
Derailleur Rear	SRAM NX Eagle	Shimano Altus M310
Hub Front	OE 32h QR	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub Rear	OE 32h Thru axle	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Cassette	--	Shimano 8-speed, 12-32T
Bottom Bracket	SRAM Powerspline 118/73	Sealed cartridge, 73mm

Front	Surly Knard 27.5x3.0", 60TPI Tubeless Ready	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Rear	Surly Knard 27.5x3.0", 60TPI Tubeless Ready	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Wheel / RIM	Rims: WTB Scraper i40 TSC	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Front	Avid BB7, Centerline rotors. 180/160mm	Tektro HD-M275 hydraulic disc, 180 mm rotor
Rear	Avid BB7, Centerline rotors. 180/160mm	Tektro HD-M275 hydraulic disc, 180 mm rotor
Brake Lever	Avid FR-5	--

Front	--	--
Rear	--	--

Colors

Tank Green Blacktacular

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Length	--	--
Weight	--	13.97 kg

Features	- Two wheel platforms available: 27.5+ for frame sizes XS–M and 29+ for M–XL - Dedicated Rohloff cable routing and mount for OEM 2 axle plate. - Dedicated Surly Trailer mounts. - Gnot-Boost rear spacing with Rohloff torque arm slot and Bill/Ted trailer mount. - Rack and fender, multiple three-pack mounts and mid-blade.	--
Additional Details	Cog or cogset: SRAM Eagle 11-50T, 12 speed	--