Cannondale CAAD Optimo 3 vs Trek Emonda S 4

Compare Specifications of Cannondale CAAD Optimo 3 and Trek Emonda S 4

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Cannondale CAAD Optimo 3
Cannondale CAAD Optimo 3

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Trek Emonda S 4
Trek Emonda S 4

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Technical Specifications
Frame SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts, 130x10mm QR Ultralight 300 Series OCLV Carbon, ride-tuned performance tube optimization, E2 tapered head tube, BB86.5, DuoTrap compatible
Stem 6061 Alloy, 31.8, 7 degree Bontrager Elite, 31.8 mm, 7 degree, with computer & light mounts
Handle Bar 6061 Alloy, Compact Bontrager Race VR-C, 31.8 mm
Fork CAAD Optimo Full Carbon, 1-1/8" to 1-1/4" steerer, fender mounts, 100x9mm QR Émonda carbon, E2 tapered steerer
Seatpost Cannondale 4, 6061 Alloy, 27.2x350mm Bontrager alloy, 2-bolt head, 27.2 mm, 8 mm offset
Grip Cannondale Bar Tape, 3.5mm --
Crankset FSA Vero Alloy, 50/34 Shimano Tiagra
Chain KMC X9, 9-speed Shimano Tiagra
Shifters Shimano Sora, 9-speed Shimano Tiagra
Saddle Cannondale Stage CX Bontrager Montrose Comp
Headset CAAD Optimo, 1-1/8" to 1-1/4", 25mm top cap Integrated, cartridge bearing, sealed, 1 1/8-inch top, 1 1/2-inch bottom
Derailleur Front Shimano Sora, 31.8 clamp Shimano Tiagra
Derailleur Rear Shimano Sora GS Shimano Tiagra
Hub Front Formula RB-31 Alloy
Hub Rear Formula RB-32 Alloy
Spoke Stainless Steel, 14g --
Cassette Shimano HG50, 11-30, 9-speed Shimano Tiagra, 10-speed: 11-28
Chainrings -- 50 / 34
Bottom Bracket Cartridge, square taper --
Tyres
Front Vittoria Zaffiro, 700x25c Bontrager R1 Hard-Case Lite, 700 x 25 c
Rear Vittoria Zaffiro, 700x25c Bontrager R1 Hard-Case Lite, 700 x 25 c
Wheel / RIM RS 3.0, 24h front, 28h rear Bontrager tubeless ready
Brakes
Front Promax RC-452, dual pivot calipers Shimano Tiagra
Rear Promax RC-452, dual pivot calipers Shimano Tiagra
Brake Lever Shimano Sora Shimano Tiagra
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black Trek Black/California Sky Blue


Physical Specs
Length -- --
Overview
Features -- - 300 Series OCLV Carbon makes the ultimate light bike possible
- Perfectly balanced, ultra-responsive ride feel
Additional Details -- Bottom Bracket : Press Fit

Which one do you think is better? And why?
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