Felt FX Advanced GRX 600 vs Trek Marlin 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Felt Cyclocross UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, BB386 bottom bracket shell, 12 x 142 mm Syntace style thru axle, shoulder friendly top tube, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical or electronic cable routing	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Devox, ±6¡ rise, ¯31.8 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm	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	Devox cross bend, 86 mm reach, 130 mm drop, 8¡ flare, ¯31.8 mm, 47 - 50 cm: 420 mm, 53 - 60 cm: 440 mm	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	Felt Cyclocross UHC Advanced + TeXtreme carbon fiber monocoque construction, Control Taper 1.125" - 1.5" aluminum steerer tube, carbon fiber blades, flat mount disc standard, 12 x 100 mm thru axle	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	Devox Lite Road, ¯27.2 mm x 300 mm length	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	Shimano GRX600, 46-30T, 47-50 cm: 170 mm, 53-55 cm: 172.5 mm, 57 - 60 cm: 175 mm	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	--	VP-536 nylon platform
Chain	Shimano 11-speed	KMC Z7, 7 speed
Shifters	Shimano GRX600 11-speed	Shimano Altus EF500, 7 speed
Saddle	Prologo Nago Evo X10 T2.0	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap and aluminum bolt, No.42, 1.125 - 1.5"	Semi-integrated, 1-1/8''
Derailleur Front	Shimano GRX810 braze-on, with ¯34.9 mm clamp adapter	Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Derailleur Rear	Shimano GRX812, 11-speed long cage	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	Devox R3 Disc, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, Center Lock, 28H	Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135 x 5 mm QR
Hub Rear	Devox R3 Disc, sealed cartridge bearing, 12 x 100 mm thru axle, Center Lock, 24H	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	2.0 mm stainless steel	14g stainless steel
Cassette	Shimano 11-speed, 11-30T	Shimano TZ500, 14-28, 7 speed
Chainrings	--	1x/2x : 34T, 3x : 42T
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.00''
Wheel / RIM	Devox Variable Road C x 2.1, tubeless compatible 21 mm inner width, 23 mm depth	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Shimano GRX400 hydraulic disc, 160 mm rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Rear	ShimanoGRX400 hydraulic disc, 140 mm rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Brake Lever	Shimano GRX600, hydraulic	--

Front	--	--
Rear	--	--

Colors

Satin Aquafresh / TeXtreme White / TeXtreme (Pattern)

Matte Trek Black Voodoo Aloha Green Matte Anthracite Magenta

Length	--	--
Weight	--	13.98 kg

Features	--	- Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	Bar Tape : Felt CxGel tape with Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : FSA BB386 with 30 mm bearings Seatpost Clamp : Felt single bolt, ¯31.8 mm Thru Axles : Front: 12 x 100 x 123, thread: M12 x 1.5P x 16L, Maxle; Rear: 12 x 142 x 163 (163L + 7 head = 170 total), thread: M12 x 1.0P x 19L, Syntace	Max compatible fork travel : 100 mm (XS & S: 490 mm axle-to-crown, M & up: 509 mm axle-to-crown)
Accessories	Carbon assembly paste Chain plate protector	--