Felt AR Advanced Ultegra vs Twitter Aurora-Disc

Frame	MMC with InsideOut construction, carbon fiber BB386 bottom bracket shell, 12 x 142 mm Syntace style thru axle, flat mount disc brake standard, aluminum replaceable rear derailleur hanger, internal electronic-specific cable routing, and high-frequency vibration reducing seat post insert.	AURORA(Disc&thru-axle 12×142), high modulus Carbon fiber,Aero-Racing,Inner-Cables,Cut&HC, UV laser decals
Stem	AR integrated carbon with internal cable and hose routing -6¡ rise, ¯31.8 mm, 48 - 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm	--
Handle Bar	Devox Carbon Aero, 80 mm reach, 125 mm drop, ¯31.8 mm, 48 - 54 cm: 400 mm, 56 - 61 cm: 420 mm	TW, high modulus Carbon fiber, Integrated Handlebar&Stem(420*90mm),UV water decals, full Inner-Cables
Fork	Felt Aero Road UHC Advanced + TeXtreme carbon fiber monocoque construction, AeroTaper 1.125" - 1.25" carbon fiber steerer tube, integrated crown race, crown and blades. Flat mount disc standard, 12 x 100 mm thru axle	AURORA(Disc&thru-axle 12×100), high modulus Carbon fiber, 700C, UV laser decals
Seatpost	Felt VariMount Aero Road UHC Advanced + TeXtreme carbon fiber with high-frequency vibration reducing insert, integrated battery holder, 350 mm length*, 0/20 mm offset *Seatpost can be cut to length	High modulus Carbon fiber,Aero-Racing
Crankset	Shimano Ultegra R8000, 52/36T, 48 cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm	RETROSPEC, Alu alloy, Hollow,34-50T
Pedals	--	RS ultra-light Alu alloy CNC with sealed-Bearings for Road
Chain	Shimano 11-speed	SUMC-11S
Shifters	Shimano Ultegra R8020 11-speed	--
Saddle	Prologo Dimension T4.0	TW, comfortable&lightweight for racing
Headset	FSA integrated sealed cartridge bearings MR121 {870E-RS} Upper bearing and MR168 {970E-RS} lower bearing with integrated aero headset spacers and integrated top cover for use with non-integrated stem	TW, Alu alloy CNC with sealed-Bearings 52*52mm
Derailleur Front	--	SHIMANO 105/R7000
Derailleur Rear	--	SHIMANO 105/R7000
Hub Front	Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed, 12 x 142 mm thru axle, Center Lock	--
Hub Rear	Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock	--
Spoke	Sapim Sprint bladed	SHUNJIU, Flat 14G
Cassette	Shimano 11-speed, 11-30T	SUNSHINE-11S,11-32T

Front	Continental Grand Prix 5000 folding, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Rear	Continental Grand Prix 5000 folding, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Wheel / RIM	Reynolds AR58 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth	RS, Alu Alloy AL7005,Double wall,Matte,W19×H36mm×700C

Front	Shimano BR8070 hydraulic disc, 160 mm rotor	ZOOM, cable pull Hydr+RS Center lock disc160/160
Rear	Shimano BR8070 hydraulic disc, 140 mm rotor	ZOOM, cable pull Hydr+RS Center lock disc160/160
Brake Lever	Shimano Ultegra R8020, hydraulic	--

Front	--	--
Rear	--	--

Colors

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Holographic color +(Red / Orange / Yellow / Blue / DarkGray / CementGray / Silver / White)

Length	--	--
Weight	--	9.1 kg

About	--	The Aurora-Disc excels with its high-modulus carbon fiber components in the handlebar, fork, an Read More
Features	- Aero seatpost slot covers - Di2 battery charger - Chain plate protector - Tubeless valve stems - Carbon assembly paste - Headset top cover for use with non-integrated stem	--
Additional Details	Bar Tape : Felt VelvetGel tape with 3M reflective base with Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : Token BB386 with 24mm bearings Seatpost Clamp : Felt Internaloc integrated with titanium bolts Thru Axle : Front: 12 x 100 x 118, thread: M12 x 1.5P x 13L, Maxle; Rear: 12 x 142 x 161 (161L + 9 head = 170 total), thread: M12 x 1.0P x 18L, Syntace	--