Felt B Performance Ultegra Mix vs Viathon R.1 105

Frame	Felt Aero TT/Tri UHC Performance carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, horizontal dropouts with integrated dropout adjusters, internal mechanical or electronic cable routing	VIATHON R.1 ROAD FRAME FULL CARBON
Stem	Devox Tri, ±17¡ rise, ¯31.8 mm, 47 cm (650c) : 60 mm, 51 cm: 80 mm, 54 - 56 cm: 90 mm, 58 cm: 100 mm, 61 cm: 110 mm	ZIPP SERVICE COURSE, 31.8 MM, 6°, 110 MM
Handle Bar	Devox Bayonet 3.1 base bar with Devox Ergomod extensions, ¯31.8 mm, 48 - 51 cm: 390 mm, 54 - 58 cm: 420 mm	ZIPP SERVICE COURSE 70 ERGO
Fork	Felt Aero TT/Tri UHC Performance carbon fiber blades and dropouts, 1.125" aluminum steerer tube	VIATHON R.1 ROAD FORK FULL CARBON
Seatpost	Felt DA/B Aero UHC Advanced carbon fiber, 350 mm length	ZIPP SERVICE COURSE, 27.2 MM, 350 MM
Crankset	Shimano 105 R7000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm	SHIMANO 105 FC-R7000 50-34T
Chain	Shimano 11-speed	SHIMANO CN-HG601-11
Shifters	microSHIFT TT 11-speed	SHIMANO 105 ST-R7020
Saddle	Prologo Nago Evo Tri40 T2.0	FIZIK ANTARES R5
Headset	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap, IS-21, 1.125"	--
Derailleur Front	Shimano Ultegra R8000 braze-on	SHIMANO 105 FD-R7000
Derailleur Rear	Shimano Ultegra R8000 11-speed short cage	SHIMANO 105 RD-R7000
Hub Front	Devox TTR4, 100 mm QR, 24H	--
Hub Rear	Devox TTR3, sealed cartridge bearing, 11-speed, 130 mm QR, 28H	--
Spoke	2.0 mm stainless steel	--
Cassette	Shimano 11-speed, 11-28T	SHIMANO 105 CS-R7000 11-28T
Bottom Bracket	--	ROTOR PRESS FIT 4624

Front	Vittoria Zaffiro Pro Slick folding, 700 x 23c, 47 cm: Vittoria Rubino G+, 650 x 23c	CONTINENTAL ULTRA SPORT II, 700 X 25
Rear	Vittoria Zaffiro Pro Slick folding, 700 x 23c, 47 cm: Vittoria Rubino G+, 650 x 23c	CONTINENTAL ULTRA SPORT II, 700 X 25
Wheel / RIM	Devox 30A, tubeless compatible, 17 mm width, 27 mm depth	MAVIC AKSIUM DISC CENTERLOCK

Front	Shimano 105 R7000 dual pivot caliper	SHIMANO SM-RT70 160 MM
Rear	TRP T822 TT direct mount caliper brake	SHIMANO SM-RT70 160 MM
Brake Lever	Aero TT/Tri	SHIMANO 105 ST-R7020

Front	--	--
Rear	--	--

Colors

Matte Obsidian Grey (Aquafresh)

Copper Silver

Length	--	--
Weight	8.82 kg	--

Features	- Carbon fiber frame and fork - Aerodynamically optimized design - Exceptional handling and fit customization	- Shimano 105 components deliver affordable refinement - Mavic Aksium wheels deliver speed and durability - Internal cable routings reduce aerodynamic drag - Zipp Service Course alloy bar and stem offer precision and strength
Additional Details	Bar Tape : Devox Gel tape and new EVA arm pads with anti-microbial cover Bottom Bracket : Shimano Hollowtech BSA threaded Seatpost Clamp : Felt Aero Integrated DA/B	Sizes : 52, 54, 56, 57.5, 59 Front Axle : 12MM X 100MM QUICK RELEASE THRU-AXLE Rear Axle : 12MM X 142MM QUICK RELEASE THRU-AXLE Inner Tubes : KENDA PRESTA Bar Tape : FIZIK WHITE
Accessories	Carbon assembly paste	--