KUbikes Impeller 12 vs Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Compare Specifications of KUbikes Impeller 12 and Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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KUbikes Impeller 12
KUbikes Impeller 12

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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 KU bikes 6061 T6 aluminum, frame height 120 mm, color configurable S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Stem Aluminum stem, length 50mm Roval Rapide Cockpit, Integrated Bar/Stem
Handle Bar Aluminum handlebars, diameter 19 mm, width 420 mm Roval Rapide Cockpit, Integrated Bar/Stem
Fork KU bikes 6061 T6 aluminum, matt black --
Seatpost Seat post aluminum, black 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
Saddle 52parts Body Geometry S-Works Power, carbon fiber rails, carbon fiber base
Derailleur Front -- Shimano Dura-Ace R9250, braze-on
Derailleur Rear -- Shimano Dura-Ace R9250, 12-speed
Hub Front Aluminum 12 holes, black --
Hub Rear Aluminum 12 holes, black --
Spoke Black, radial laced --
Cassette -- Shimano Dura-Ace, 12-speed, 11-30t
Chainrings -- 52/36T
Bottom Bracket -- Shimano Dura-Ace, BB-R9200
Tyres
Front Kenda Slick 12x1.75 S-Works Turbo Rapidair 2BR, 700x26mm
Rear Kenda Slick 12x1.75 S-Works Turbo Rapidair 2BR, 700x26mm
Wheel / RIM Rims : Aluminum 12 holes, black 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 V-Brake aluminum, black Shimano Dura-Ace R9270, hydraulic disc
Rear V-Brake aluminum, black Shimano Dura-Ace R9270, hydraulic disc
Brake Lever 52parts aluminum with adjustable reach Shimano Dura-Ace R9270, hydraulic disc
Suspension
Front -- S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
Rear -- --
Colors Available
Colors Black
Green
Red
Glaze Pink
Turquoise glitter
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 3.73 kg 6.62 kg
Overview
Features - Lots of great colours: cheeky green, cool matt black or fiery red. We can offer you glittering glazes in pink or turquoise for a surcharge.
- Super light aluminum frame including aluminum fork developed by us
- Lightweight aluminum handlebars, hubs, rims and seat post
- Threadless aluminum fork with Ahead headset
- Reduced handlebar diameter of only 19 mm - ideal for small children's hands
- Harmful substances tested handles with large lateral impact protection
- With a smooth brake for the rear wheel
- Extra small brake lever with grip width adjustment adapted to children's hands
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Additional Details - Seat clamp : Aluminum, black, with hexagon socket
- Tax rate weight : 3.73 kg
Production-related weight deviation of +/- 3% possible
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Which one do you think is better? And why?
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