Trek Emonda S 4 vs Trek Roscoe 8

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Ultralight 300 Series OCLV Carbon, ride-tuned performance tube optimization, E2 tapered head tube, BB86.5, DuoTrap compatible	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5 mm QR
Stem	Bontrager Elite, 31.8 mm, 7 degree, with computer & light mounts	Size : XS, S, M - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 50 mm length Size : M/L, L, XL, XXL - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 60 mm length
Handle Bar	Bontrager Race VR-C, 31.8 mm	Size : XS - Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width Size : S, M, M/L, L, XL, XXL - Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Fork	Émonda carbon, E2 tapered steerer	RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Seatpost	Bontrager alloy, 2-bolt head, 27.2 mm, 8 mm offset	Size : XS, S, M - TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size : M/L, L, XL, XXL - TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm length
Grip	--	Bontrager XR Trail Comp, nylon lock-on
Crankset	Shimano Tiagra	Size : XS, S - Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 170 mm length Size : M, M/L, L, XL, XXL - Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 175 mm length
Pedals	--	VP-536 nylon platform
Chain	Shimano Tiagra	SRAM NX Eagle, 12 speed
Shifters	Shimano Tiagra	SRAM NX Eagle, 12 speed
Saddle	Bontrager Montrose Comp	Bontrager Arvada, steel rails, 138 mm width
Headset	Integrated, cartridge bearing, sealed, 1 1/8-inch top, 1 1/2-inch bottom	Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front	Shimano Tiagra	--
Derailleur Rear	Shimano Tiagra	SRAM NX Eagle
Hub Front	Alloy	Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 freehub, Boost141, 5 mm QR
Hub Rear	Alloy	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spoke	--	14g stainless steel
Cassette	Shimano Tiagra, 10-speed: 11-28	SRAM PG-1230 Eagle, 11-50, 12 speed
Chainrings	50 / 34	32T
Bottom Bracket	--	Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle

Front	Bontrager R1 Hard-Case Lite, 700 x 25 c	Maxxis Rekon, tubeless, 60 tpi, 27.5 x 2.80''
Rear	Bontrager R1 Hard-Case Lite, 700 x 25 c	Maxxis Rekon, tubeless, 60 tpi, 27.5 x 2.80''
Wheel / RIM	Bontrager tubeless ready	Bontrager Line 40, Tubeless Ready, 28-hole, 40 mm width, presta valve

Front	Shimano Tiagra	Shimano hydraulic disc, MT501 lever, MT500 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm
Rear	Shimano Tiagra	Shimano hydraulic disc, MT501 lever, MT500 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm
Brake Lever	Shimano Tiagra	--

Front	--	--
Rear	--	--

Colors

Trek Black/California Sky Blue

Dark Aquatic/Metallic Gunmetal Matte Black/Red/Marigold Fade

Length	--	--
Weight	--	14.65 kg

Features	- 300 Series OCLV Carbon makes the ultimate light bike possible - Perfectly balanced, ultra-responsive ride feel	- 27.5 Plus traction - Suspension Lockout - Rack Mounts - Rear Kickstand Mount - Internal Cable Routing - Dropper Post
Additional Details	Bottom Bracket : Press Fit	--