Giant Roam 3 Disc 2020 vs Trek Marlin 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	ALUXX-Grade Aluminum, disc	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Giant Sport	Size : XS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 50 mm length ( Size : S - 60 mm length) Size : M - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 70 mm length Size : ML, L - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : XL, XXL - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 90 mm length
Handle Bar	Giant Sport XC, 31.8	Size : XS, S - Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size : M, ML, L, XL, XXL - Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	SR Suntour NEX HLO 700C, 63 mm	Size : XS - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 80 mm travel Size : S - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 100 mm travel Size : M, ML, L, XL, XXL - SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29'' wheel, 100 mm QR, 100 mm travel
Seatpost	Giant Sport, 27.275	Size : XS, S - Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size : M - Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length Size : ML, L, XL, XXL - Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	--	Bontrager XR Endurance Comp, lock-on
Crankset	forged alloy, 28/44 with chainguard	Size : XS, S, M - Shimano Tourney TY301, 42/34/24, 170 mm length Size : ML, L, XL, XXL - Shimano Tourney TY301, 42/34/24, 175 mm length
Pedals	platform	VP-536 nylon platform
Chain	KMC Z8.3	KMC Z7, 7 speed
Shifters	Shimano Altus	Shimano Altus EF500, 7 speed
Saddle	Giant Sport Comfort	Bontrager Arvada, steel rails, 138 mm width
Headset	--	Semi-integrated, 1-1/8''
Derailleur Front	Shimano FD-TY710	Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Derailleur Rear	Shimano Acera	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	alloy, 32h, loose ball bearing	Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135 x 5 mm QR
Hub Rear	alloy, 32h, loose ball bearing	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	stainless, 14 g	14g stainless steel
Cassette	Shimano CS-HG31, 11 x 34	Shimano TZ500, 14-28, 7 speed
Chainrings	--	1x/2x : 34T, 3x : 42T
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	Giant Crosscut, 700 x 42, anti-puncture	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Giant Crosscut, 700 x 42, anti-puncture	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.00''
Wheel / RIM	Giant GX Disc	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Tektro HD-M275 hydraulic disc	Tektro MD-M280 mechanical disc, 160 mm rotor
Rear	Tektro HD-M275 hydraulic disc	Tektro MD-M280 mechanical disc, 160 mm rotor
Brake Lever	Tektro HD-M275 hydraulic disc	--

Front	--	--
Rear	--	--

Colors

Navy Black Orange

Matte Trek Black Voodoo Aloha Green Matte Anthracite Magenta

Length	--	--
Weight	--	13.98 kg

Features	- Comfort and control - Lightweight agility - Integrated rack mounts	- Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	Bottom Bracket : cartridge Extras : X-Defender protection	Max compatible fork travel : 100 mm (XS & S: 490 mm axle-to-crown, M & up: 509 mm axle-to-crown)