Rose Backroad GRX RX810 DI2 1X11 Limited vs Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

Compare Specifications of Rose Backroad GRX RX810 DI2 1X11 Limited and Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2

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Rose Backroad GRX RX810 DI2 1X11 Limited
Rose Backroad GRX RX810 DI2 1X11 Limited

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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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Technical Specifications
Frame Rose BACKROAD Carbon, 12x142TA, PF86, internal shift/brake cables, mounting points for luggage carrier, frame weight from approx. 1020g, midnight laser grey 50cm S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Stem Rose Square (6°), aluminium 6061, integrated cable guides, anodized black 70 mm Roval Rapide Cockpit, Integrated Bar/Stem
Handle Bar Ritchey WCS Carbon Venturemax, matt carbon 40cm Roval Rapide Cockpit, Integrated Bar/Stem
Fork Rose BACKROAD Carbon, 12x100TA, internal brake hose, mounting points for Gravel cage, fork weight from approx. 425g, matt black/midnight laser grey --
Seatpost ROSE D-Shape, for Reveal/Backroad, carbon, 8 mm offset UD carbon/matt S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Grip -- Supacaz Super Sticky Kush
Crankset Shimano GRX FC-RX810 1 x 11-speed, 40T 170 mm Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter
Chain Shimano CN-HG601, 118 links Shimano Dura-Ace, 12-speed
Saddle Selle Italia Flite Flow black/black 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
Cassette Shimano XT CS-M8000 11-42 Shimano Dura-Ace, 12-speed, 11-30t
Chainrings -- 52/36T
Bottom Bracket -- Shimano Dura-Ace, BB-R9200
Tyres
Front Continental Terra Trail PT, Black / Transparent 700 x 40C S-Works Turbo Rapidair 2BR, 700x26mm
Rear Continental Terra Trail PT, Black / Transparent 700 x 40C S-Works Turbo Rapidair 2BR, 700x26mm
Wheel / RIM ROSE GC FORTY DISC / 28” / Inner rim width: approx. 24mm / Rim height: approx. 37mm / Rim width: approx. 31mm / Weight: approx. 1527g / Compatible tyre widths: 700 x 33-55 mm black 24 hole 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 GRX ST-RX 815 / BR-RX810, 180 mm Shimano Dura-Ace R9270, hydraulic disc
Rear Shimano GRX ST-RX 815 / BR-RX810, 160 mm 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 Midnight Laser Grey 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 8.3 kg 6.62 kg
Overview
Features -- --
Additional Details Rear Mech : Shimano GRX Di2 RX817 rear derailleur 11-speed (for single chainring setups)
Junction : Shimano Junction-A, EW-RS910 - EW WU111 Bluetooth, ANT+
Handlebar Tape : Xtreme Gel Comfort black
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Which one do you think is better? And why?
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