Trek FX Sport 4 vs Trek Marlin 5

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	FX Alpha Gold Aluminum, DuoTrap S compatible, rack & fender mounts	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Bontrager Elite, 31.8 mm, 7 degree, with computer & light mounts	Size : XXS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 35 mm length ( Size : XS - 50 mm length ) Size : S - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : M - 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	Bontrager Satellite Plus IsoZone, 31.8 mm, 15 mm rise	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	Bontrager Nebula, carbon	Size : XXS - SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel Size : XS - SR Suntour XCT 30, coil spring, lockout, preload, 100 mm QR, 80 mm travel Size : S, M, ML, L, XL, XXL - SR Suntour XCT 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel
Seatpost	Bontrager SSR, 2-bolt head, 27.2 mm, 12 mm offset	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	Bontrager Satellite IsoZone Plus, lock-on, ergonomic	Bontrager XR Endurance Comp, lock-on
Crankset	Shimano R460	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
Pedals	Nylon body with alloy cage, toe clip & strap	VP-536 nylon platform
Chain	--	KMC Z8.3, 8 speed
Shifters	Shimano Tiagra, 10 speed	Shimano Altus M315, 8 speed
Saddle	Bontrager H1	Bontrager Arvada, steel rails, 138 mm width
Headset	VP Slimstak, sealed semi-cartridge bearings	Semi-integrated, 1-1/8''
Derailleur Front	Shimano Tiagra	Shimano Altus M315, 34.9 mm clamp, top swing, dual pull
Derailleur Rear	Shimano RD-R350	Shimano Altus M310
Hub Front	Formula TK32 alloy	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135 x 5 mm QR
Hub Rear	Formula TK31 alloy	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	--	14g stainless steel
Cassette	Shimano Tiagra, 11-34, 10 speed	Shimano HG200, 12-32, 8 speed
Chainrings	48 / 34	--
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	Bontrager AW1 Hard-Case Lite, 700 x 28 c	Size : XXS - Bontrager XR2 Comp, wire bead, 30 tpi, 26 x 2.20'' Size : XS, S - Bontrager XR2 Comp, wire bead, 30 tpi, 27.5 x 2.20'' Size : M, ML, L, XL, XXL - Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Bontrager AW1 Hard-Case Lite, 700 x 28 c	Size : XXS - Bontrager XR2 Comp, wire bead, 30 tpi, 26 x 2.20'' Size : XS, S - Bontrager XR2 Comp, wire bead, 30 tpi, 27.5 x 2.20'' Size : M, ML, L, XL, XXL - Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Wheel / RIM	Bontrager Tubeless Ready rims	Size : XXS - Bontrager Connection, alloy, double-wall, 32-hole, 20 mm width, schrader valve Size : XS, S, M, ML, L, XL, XXL - Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers	Size : XXS, XS, S - Tektro HD-M276 hydraulic disc, short reach lever Size : M, ML, L, XL, XXL - Tektro HD-M275 hydraulic disc
Rear	Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers	Size : XXS, XS, S - Tektro HD-M276 hydraulic disc, short reach lever Size : M, ML, L, XL, XXL - Tektro HD-M275 hydraulic disc

Front	--	--
Rear	--	--

Colors

Matte Metallic Gunmetal

Lithium Grey Radioactive Red Volt to Miami Green Fade Azure

Length	--	--
Weight	--	13.97 kg

Features	--	- Suspension Lockout - Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	Bottom Bracket : Sealed cartridge	--