Cannondale CAAD Optimo 3 vs Trek 520 Disc

Compare Specifications of Cannondale CAAD Optimo 3 and Trek 520 Disc

Selected Bikes

Cannondale CAAD Optimo 3
Cannondale CAAD Optimo 3

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Trek 520 Disc
Trek 520 Disc

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Technical Specifications
Frame SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts, 130x10mm QR Trek butted chromoly disc touring, rack & fender mounts
Stem 6061 Alloy, 31.8, 7 degree Bontrager Elite, 31.8 mm, 7 degree, Blendr compatible
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 Chromoly touring disc with lowrider mounts
Seatpost Cannondale 4, 6061 Alloy, 27.2x350mm Bontrager SSR, 2-bolt head, 27.2 mm, 12 mm offset
Grip Cannondale Bar Tape, 3.5mm Bontrager Gel Cork
Crankset FSA Vero Alloy, 50/34 Shimano Trekking M590
Pedals -- Nylon platform with cages
Chain KMC X9, 9-speed KMC X9
Shifters Shimano Sora, 9-speed Shimano Dura-Ace handlebar-end
Saddle Cannondale Stage CX Bontrager Evoke 1
Headset CAAD Optimo, 1-1/8" to 1-1/4", 25mm top cap VP Slimstak, sealed semi-cartridge bearings
Derailleur Front Shimano Sora, 31.8 clamp Shimano Alivio
Derailleur Rear Shimano Sora GS Shimano Deore
Hub Front Formula RB-31 Shimano M475
Hub Rear Formula RB-32 Shimano M475
Spoke Stainless Steel, 14g --
Cassette Shimano HG50, 11-30, 9-speed --
Chainrings -- 48 / 36 / 26 with chainguard
Bottom Bracket Cartridge, square taper --
Tyres
Front Vittoria Zaffiro, 700x25c Bontrager AW1 Hard-Case, 700 x 32 c
Rear Vittoria Zaffiro, 700x25c Bontrager AW1 Hard-Case, 700 x 32 c
Wheel / RIM RS 3.0, 24h front, 28h rear Bontrager Tubeless Ready 36-hole
Brakes
Front Promax RC-452, dual pivot calipers Hayes CX Expert mechanical disc
Rear Promax RC-452, dual pivot calipers Hayes CX Expert mechanical disc
Brake Lever Shimano Sora --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black Cosmic Black


Physical Specs
Length -- --
Overview
Features -- - You'll feel the difference: nothing rides like a Trek
- Low touring mounts front and rear stabilize heavy loads
- Disc brakes give you all-weather stopping power
- Balanced geometry is ultra-stable even when fully loaded
Additional Details -- Bottom Bracket : Sealed cartridge
Rear Cogs : Shimano HG50, 11-32, 9 speed

Which one do you think is better? And why?
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