Felt VR Endurance Road Bike vs Trek Domane SL 4

Engine	VR Advanced Ultegra Di2 Model Code : FB-21A-VRX2-CMF-FA	--
Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Drivetrain	2x11-speed	--
Frame	Felt VariableRoad 3.0 | UHC Advanced + TeXtreme carbon fiber	500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142 x 12 mm thru axle
Stem	Devox StemR.A1	Size : 44 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : 47 - 70 mm length ) Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length ( Size : 50 - 80 mm length ) Size : 56, 58 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 110 mm length
Handle Bar	Devox DBar.A2	Size : 44, 47 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 36cm width Size : 50 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38cm width Size : 52 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40cm width Size : 54, 56 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width
Fork	Felt VariableRoad 3.0 UHC Advanced + TeXtreme carbon fiber	Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Standard 27.2 mm post, 30.6 mm clamp / 6061 aluminum, steel bolt & nut-bar	Size : 44, 47, 50, 52, 54, 56 - Bontrager aluminum internal seatmast cap, 10 mm offset, short length Size : 58, 60, 62 - Bontrager aluminum internal seatmast cap, 10 mm offset, tall length
Grip	Additional comfort gel padding, Felt VelvetGel tape with 3M reflective base, and reflective Felt Bubble-Tech F-Wing bar end plugs	Bontrager Supertack Perf tape
Crankset	Shimano Ultegra R8000, 50/34T	Size : 44, 47 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 165 mm length Size : 50, 52 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 170 mm length Size : 54, 56 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 172.5 mm length Size : 58, 60, 62 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 175 mm length
Chain	Shimano Ultegra HG701	Shimano Tiagra HG54, 10 speed
Shifters	Shimano Ultegra Di2 R8070	Shimano Tiagra R4725, short reach lever, 10 speed
Saddle	Prologo Dimension Space T4.0	Bontrager Arvada Comp, steel rails, 138 mm width
Headset	--	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front	Shimano Ultegra R8050 Di2, braze-on	Shimano 105 R7000, braze-on
Derailleur Rear	Shimano Ultegra R8050 Di2, medium cage	Shimano Tiagra 4700, long cage, 34T max cog
Hub Front	--	Bontrager alloy, sealed bearing, centerlock, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	--	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	--	14g stainless steel
Cassette	Shimano Ultegra HG800, 11-34T	Shimano Tiagra HG500, 12-28, 10 speed
Chainrings	--	50 / 34 (compact)
Bottom Bracket	Token Ninja Lite, BB386 for Shimano (24 mm)	Praxis, T47 threaded, internal bearing

Front	Vittoria Rubino Pro IV, 700x30c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Rear	Vittoria Rubino Pro IV, 700x30c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Wheel / RIM	Reynolds AR29 DB Custom, Shimano	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve

Front	Disc, Flat Mount 140 mm minimum rotor	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	Disc, Flat Mount 35mm thickness, 140 mm minimum roto	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	--	Shimano Tiagra R4720, 10 speed

Front	--	--
Rear	--	--

Colors

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Slate/Radioactive Red Voodoo Trek Black

Length	--	--
Weight	7.97 kg	9.87 kg

Features	--	- Massive tire clearance - IsoSpeed Decoupler - 500 Series OCLV - Endurance Fit - Micro-Adjust Seatmast - Additional Tire Clearance - Endurance Geometry - Performance Cable Routing - Fender Compatible
Additional Details	Size : 7 | 43, 47, 51, 54, 56, 58, 61cm Protector Type : Felt ChainPlate for chain suck protection / Clear vinyl for chain slap protection Axle : TA 12 x 142 Brake Calipers : Shimano Ultegra R8070, hydraulic disc, flat mount	--
Accessories	--	Bontrager BITS Internal Frame Storage Bag