Marin Four Corners vs Marin Sky Trail

Drivetrain	--	Shimano Altus 3x8 drivetrain
Frame	Utilitour Double Butted CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C) , Biometric Geometry, Fender and Rack Mounts, Disc Mount	Series 1 6061 Aluminum, 27.5” Wheels, 68mm BB shell, 135mm Forged Dropouts, Disc Brake
Stem	Marin 3D Forged Alloy	Alloy, 45 mm
Handle Bar	Marin Butted Alloy, Compact 12º Flared Drop	Alloy, 20 mm rise, 740 mm wide
Fork	CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount	--
Seatpost	27.2 mm Marin Alloy	Alloy, 27.2 mm
Grip	Marin Comfort Bar Tape, Shock Absorbing Gel Pads	Entity MTB
Crankset	Shimano Sora Hollowtech II, 50/39/30T	Forged Aluminum, 42x34x24T, 170mm
Pedals	Trekking Platform	Nylon Platform
Chain	KMC X9	KMC Z-7
Shifters	Shift Lever : Shimano Sora 3 x 9-Speed	--
Saddle	WTB Volt Sport 142 Custom	Entity MTB
Headset	FSA No.8D, Sealed Cartridge Bearings	Zero Stack (ZS) Threadless, ZS 44/28.6 | 44/30
Derailleur Front	Shimano Sora	Shimano Altus
Derailleur Rear	Shimano Sora 9-Speed	Shimano RD-TX800, 8-Speed
Hub Front	Forged Aluminum Alloy, 6-Bolt Disc, 32H	QR Alloy, 6-bolt
Hub Rear	Forged Aluminum Alloy, 6-Bolt Disc, 32H	QR Alloy, 6-bolt
Spoke	14 g Black Stainless Steel	Stainless Steel, Brass Nipples
Cassette	Shimano HG300 9-Speed, 11-34T	Shimano Altus CS-HG200, 11-32T, 8 Speed
Bottom Bracket	--	Sealed Cartridge Bearings, Square Taper

Front	WTB Resolute, 650B/700C x 42, Puncture Protection	MTB, 27.5 x 2.1"
Rear	WTB Resolute, 650B/700C x 42, Puncture Protection	MTB, 27.5 x 2.1"
Wheel / RIM	Marin Aluminum, Double Wall, Disc Specific	Double-Wall Alloy Rims, 32H

Front	Tektro Spyre-C Road Mechanical Disc, 160 mm Rotor	Alhonga HJ-OD07, Hydraulic Disc, 160 mm Rotor, Shimano M515 Pad Compatible
Rear	Tektro Spyre-C Road Mechanical Disc, 160 mm Rotor	Alhonga HJ-OD07, Hydraulic Disc, 160 mm Rotor, Shimano M515 Pad Compatible
Brake Lever	Shimano w/ Integrated Shifters	Alhonga Hydraulic

Front	--	SR Suntour XCE, 100mm Travel, Preload Adjustment
Rear	--	--

Colors

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Red/Charcoal

Length

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--

Features	- Five Frame Sizes - Bottle / Gear Mounts - Disc Brakes - Steel is Real	--
Additional Details	Bottom Bracket : Shimano Hollowtech II	Shift Lever : Shimano Altus, 3x8 Speed Size Range : S, M, L