Cannondale CAAD Optimo 3 vs Felt AR Advanced Ultegra DI2

Compare Specifications of Cannondale CAAD Optimo 3 and Felt AR Advanced Ultegra DI2

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Cannondale CAAD Optimo 3
Cannondale CAAD Optimo 3

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Felt AR Advanced Ultegra DI2
Felt AR Advanced Ultegra DI2

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Brand:

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Technical Specifications
Frame SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts, 130x10mm QR TeXtreme carbon fiber, 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
Stem 6061 Alloy, 31.8, 7 degree 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 6061 Alloy, Compact Devox Carbon Aero, 80 mm reach, 125 mm drop, ¯31.8 mm, 48 - 54 cm: 400 mm, 56 - 61 cm: 420 mm
Fork CAAD Optimo Full Carbon, 1-1/8" to 1-1/4" steerer, fender mounts, 100x9mm QR 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
Seatpost Cannondale 4, 6061 Alloy, 27.2x350mm 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
Grip Cannondale Bar Tape, 3.5mm --
Crankset FSA Vero Alloy, 50/34 Shimano Ultegra R8000, 52/36T, 48 cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm
Chain KMC X9, 9-speed Shimano 11-speed
Shifters Shimano Sora, 9-speed Shimano Ultegra Di2 R8070 11-speed
Saddle Cannondale Stage CX Prologo Dimension T4.0
Headset CAAD Optimo, 1-1/8" to 1-1/4", 25mm top cap 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
Derailleur Front Shimano Sora, 31.8 clamp Shimano Ultegra R8050 Di2 braze-on
Derailleur Rear Shimano Sora GS Shimano Ultegra R8050 Di2 11-speed short cage
Hub Front Formula RB-31 Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed, 12 x 142 mm thru axle, Center Lock
Hub Rear Formula RB-32 Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock
Spoke Stainless Steel, 14g Sapim Sprint bladed
Cassette Shimano HG50, 11-30, 9-speed Shimano 11-speed, 11-30T
Bottom Bracket Cartridge, square taper --
Tyres
Front Vittoria Zaffiro, 700x25c Continental Grand Prix 5000 folding, 700 x 25c
Rear Vittoria Zaffiro, 700x25c Continental Grand Prix 5000 folding, 700 x 25c
Wheel / RIM RS 3.0, 24h front, 28h rear Reynolds AR58 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth
Brakes
Front Promax RC-452, dual pivot calipers Shimano BR-R8070 hydraulic disc, 160 mm rotor
Rear Promax RC-452, dual pivot calipers Shimano BR-R8070 hydraulic disc, 140 mm rotor
Brake Lever Shimano Sora Shimano Ultegra R8070, hydraulic
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black Aquafresh / TeXtreme
White / TeXtreme (Green)


Physical Specs
Length -- --
Overview
Features -- --
Additional Details -- Bar Tape : Felt VelvetGel tape with 3 M reflective base with Felt Bubble-Tech F-Wing bar end plugs
Bottom Bracket : Token BB386 with 24 mm 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
Accessories -- - Carbon assembly paste
- Chain plate protector
- Tubeless valve stems
- Aero seatpost slot covers
- Di2 battery charger
- Headset top cover for use with non-integrated stem

Which one do you think is better? And why?
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