Cervelo R2 vs Felt IA Advanced Ultegra DI2

Frame	--	Felt Integrated Aero Tri Disc UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, horizontal dropouts, replaceable rear derailleur hanger, internal mechanical or electronic cable routing
Stem	Cervelo Performance Alloy	Felt Dagger 31.8 Cold Forged
Handle Bar	Cervelo Performance Alloy Compact	Devox Bayonet 3.1 base bar with Devox Ergomod extensions, ¯31.8 mm, 48 - 51 cm: 390 mm, 54 - 58 cm: 420 mm
Fork	Cervélo All-Carbon, Tapered R2 Fork	Felt Dagger Disc UHC Advanced carbon fiber monocoque construction, 1.125" carbon fiber steerer, upper cover, blades, dropouts, crown; internal disc-brake routing, flat-mount disc brake standard, 12 x 100 mm thru axle
Seatpost	Cervelo Performance Alloy	Felt VariMount Aero Tri UHC Advanced carbon fiber, 300 mm length
Crankset	Shimano RS510 50/34	Shimano Ultegra R8000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm
Chain	Shimano CN-HG601, 11 speed	Shimano 11-speed
Shifters	Shimano 105 R7000, 11 spd	Shimano Dura-Ace Di2 R9160 (aero extension) with right hand SW-R600 secondary shifter (base bar)
Saddle	Cervelo Comfort Race	ISM PS1.0
Headset	FSA IS2 1-1/8 x 1-1/2	FSA integrated, 1.125" 36¡/45¡ sealed ACB cartridge bearings MR122 {873E-RS}, split top race H2145 {No.11AGY-2} with Felt compression device
Derailleur Front	Shimano 105 R7000, 11 spd	Shimano Ultegra R8050 Di2 braze-on
Derailleur Rear	Shimano 105 R7000, 11 spd	Shimano Ultegra R8050 Di2 11-speed short cage
Hub Front	--	Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed XDR driver, 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
Cassette	Shimano 105 R7000, 11 spd, 11-30	Shimano 11-speed, 11-28T

Front	Continental Grand Sport Race SL 25 c	Continental Grand Sport Race folding, 700 x 25c
Rear	Continental Grand Sport Race SL 25 c	Continental Grand Sport Race folding, 700 x 25c
Wheel / RIM	Shimano RS100	Reynolds AR58/62 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth front, 62 mm depth rear

Front	Shimano 105 R7000	TRP HD-T910 hydraulic disc, 140 mm rotor
Rear	--	TRP HD-T910 hydraulic disc, 140 mm rotor
Brake Lever	--	TRP HD-T910 hydraulic with integrated secondary shift buttons (right lever only)

Front	--	--
Rear	--	--

Colors

--

Matte TeXtreme (White Geo) Matte TeXtreme (Spatter, Gloss Charcoal)

Length	--	--
Weight	--	9.55 kg

Features	--	--
Additional Details	Bottom Bracket : Cervelo BBright Connect 24 x 90	Bar tape : Devox Gel tape and new EVA arm pads with anti-microbial cover Bottom Bracket : Shimano Hollowtech BSA threaded 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 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace
Accessories	--	Carbon assembly paste, Aero seatpost slot covers, IA CALpac 2.0, Di2 Internal battery charger, IA BTSpac storage box, Tubeless valve stems