BMC Alpenchallenge vs Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Compare Specifications of BMC Alpenchallenge and Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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BMC Alpenchallenge
BMC Alpenchallenge

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

Brand:

Model:

Brand:

Model:

Brand:

Model:

Technical Specifications
Gear Shift Pattern Gear : 1 x 8 --
Frame Alpenchallenge Alloy, Belt Drive
Hydroformed Aluminium
Internal Cable Routing
Eccentric Bottom Bracket
S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Stem BMC RSM01 Roval Rapide Cockpit, Integrated Bar/Stem
Handle Bar BMC LSB 03 Roval Rapide Cockpit, Integrated Bar/Stem
Fork Alpenchallenge Alloy --
Seatpost BMC LSP 03 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 Belt, Gates CDN-CT 115 Shimano Dura-Ace, 12-speed
Shifters Shimano Alfine 8, Rapidfire Plus --
Saddle Selle Royal Vivo 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 Shimano HB-M4050 / Shimano Nexus 8 --
Hub Rear Shimano HB-M4050 / Shimano Nexus 8 --
Cassette Gates CDX-CT SureFit, 24T Shimano Dura-Ace, 12-speed, 11-30t
Chainrings Chainwheel : Gates CenterTrack CDN-S-150, 55T 52/36T
Bottom Bracket -- Shimano Dura-Ace, BB-R9200
Tyres
Front 35 mm, Continental Contact Speed S-Works Turbo Rapidair 2BR, 700x26mm
Rear 35 mm, Continental Contact Speed S-Works Turbo Rapidair 2BR, 700x26mm
Wheel / RIM PFR300 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 Shimano MT500/RT54 rotors (160/160) Shimano Dura-Ace R9270, hydraulic disc
Rear Shimano MT500/RT54 rotors (160/160) 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 -- 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 12.8 kg 6.62 kg
Overview
Features - Low-Maintenance Drivetrain
- Fast Frame Designs
- Great-Handling Fork
- Fender and Kickstand Mounts
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Additional Details Tire Clearance : 37 mm
ASTM Classification : Level 2
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Which one do you think is better? And why?
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