Cervelo S5 Ultegra Di2 vs Trek Marlin 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	--	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Cervélo, CS28 V-Stem	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	Cervélo, AB08	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	Cervélo All-Carbon, Tapered S5 Fork For Disc	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	Cervélo Carbon, SP20	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 Ultegra 8000 52/36	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 CN-HG701, 11 spd	KMC Z7, 7 speed
Shifters	Shimano Ultegra 8070, 11 spd	Shimano Altus EF500, 7 speed
Saddle	Prologo Dimension TiRox	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA IS2 1 x 1-3/8	Semi-integrated, 1-1/8''
Derailleur Front	Shimano Ultegra Di2 8050, 11 spd	Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Derailleur Rear	Shimano Ultegra Di2 8050, 11 spd	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	--	Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135 x 5 mm QR
Hub Rear	--	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	--	14g stainless steel
Cassette	Shimano Ultegra CS-R8000, 11-30	Shimano TZ500, 14-28, 7 speed
Chainrings	--	1x/2x : 34T, 3x : 42T
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	Vittoria Corsa TLR G2.0 25c	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Vittoria Corsa TLR G2.0 25c	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.00''
Wheel / RIM	DT Swiss ARC 1450 62 Disc	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	--	Tektro MD-M280 mechanical disc, 160 mm rotor
Rear	--	Tektro MD-M280 mechanical disc, 160 mm rotor

Front	--	--
Rear	--	--

Colors

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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	Bottom Bracket : Cervélo BBright Connect 24 x 90 Brake Caliper : Shimano Ultegra 8070 Hydraulic Disc Brake Rotor : Shimano SM-RT800, 160 mm	Max compatible fork travel : 100 mm (XS & S: 490 mm axle-to-crown, M & up: 509 mm axle-to-crown)
Accessories	Barfly for Cervélo Computer Mount	--