Co-Motion Bluebird vs Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Compare Specifications of Co-Motion Bluebird and Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Selected Bikes

Co-Motion Bluebird
Co-Motion Bluebird

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Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2
Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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Model:

Brand:

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Technical Specifications
Frame Handbuilt frame with Co-Motion's zonally-butted cro-moly tubing S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Stem Co-Motion handlebars & adjustable stoker stem Roval Rapide Cockpit, Integrated Bar/Stem
Handle Bar -- Roval Rapide Cockpit, Integrated Bar/Stem
Fork Co-Motion Taper Gauge Tandem Touring fork w/ CNC Tandem Steerer --
Seatpost -- S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Grip -- Supacaz Super Sticky Kush
Crankset -- Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter
Chain -- Shimano Dura-Ace, 12-speed
Shifters 2 x 10-speed trigger shifters --
Saddle Co-Motion 31.6 / Selle Italia Sportourer saddles Body Geometry S-Works Power, carbon fiber rails, carbon fiber base
Headset FSA Orbit Z Internal --
Derailleur Front Shimano Deore Shimano Dura-Ace R9250, braze-on
Derailleur Rear Shimano Deore SGS Shimano Dura-Ace R9250, 12-speed
Cassette 11-34t cassette Shimano Dura-Ace, 12-speed, 11-30t
Chainrings -- 52/36T
Bottom Bracket -- Shimano Dura-Ace, BB-R9200
Tyres
Front Continental Ultrasport 700 x 32 S-Works Turbo Rapidair 2BR, 700x26mm
Rear Continental Ultrasport 700 x 32 S-Works Turbo Rapidair 2BR, 700x26mm
Wheel / RIM Co-Motion A-20 tandem hubs / Alex tandem rims Front: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes
Rear: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes
Tube -- Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve
Brakes
Front Avid BB5 w/ 200 mm Rotors / Tektro Eclipse Mtn levers Shimano Dura-Ace R9270, hydraulic disc
Rear Avid BB5 w/ 200 mm Rotors / Tektro Eclipse Mtn levers Shimano Dura-Ace R9270, hydraulic disc
Brake Lever -- Shimano Dura-Ace R9270, hydraulic disc
Suspension
Front -- S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
Rear -- --
Colors Available
Colors Medium Blue metallic Satin Fog Tint / Green Ghost Pearl / Red Ghost Pearl Fade
Satin Carbon / Viavi Cynan Blue / Viavi Silver-Blue Pearl Fade / Gloss Metallic White Silver


Physical Specs
Length -- --
Weight -- 6.62 kg
Overview
Features - Co-Motion zonally-butted chromoly tubing
- Proven Co-Motion touring geometry
- Rack/ fender mounts
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Additional Details Drivetrain : Shimano 44/32t cranks
Cockpit : FSA Omega stem
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Which one do you think is better? And why?
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