Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 vs Stanton Switchback FS 140

Compare Specifications of Specialized S-Works Tarmac SL8 - Shimano Dura-Ace Di2 and Stanton Switchback FS 140

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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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Stanton Switchback FS 140
Stanton Switchback FS 140

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Technical Specifications
Drivetrain -- XT 12 Speed + 10-51 Cassette
Frame S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc 15″ frame weight – 3.95kg without shock, 4.47kg with shock
Frame designed around a Q factor of 172mm or greater
Stem Roval Rapide Cockpit, Integrated Bar/Stem --
Handle Bar Roval Rapide Cockpit, Integrated Bar/Stem --
Fork -- Ohlins RXF36 m.2 Air TTX 18 160mm
Seats -- 30.9 Stealth dropper-compatible seat tube (34.9 clamp) with internal routing round the BB and into the down tube.
Seatpost S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset Rockshox Dropper 175mm Seat Post (stealth routed)
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 Body Geometry S-Works Power, carbon fiber rails, carbon fiber base --
Headset -- Reynolds 631 44mm head tube (fits all steerers), gusseted down tube and our super-sweet alloy head badge.
Derailleur Front Shimano Dura-Ace R9250, braze-on --
Derailleur Rear Shimano Dura-Ace R9250, 12-speed --
Cassette Shimano Dura-Ace, 12-speed, 11-30t --
Chainrings 52/36T --
Bottom Bracket Shimano Dura-Ace, BB-R9200 --
Tyres
Front S-Works Turbo Rapidair 2BR, 700x26mm WTB Vigilante 2.5
Rear S-Works Turbo Rapidair 2BR, 700x26mm WTB Trail Boss 2.4
Wheel / RIM 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
Hope Fortus 30
Tube Turbo Ultralight, 60mm Front, 80mm Rear, Presta valve --
Brakes
Front Shimano Dura-Ace R9270, hydraulic disc Dual Pot XT Brakes
Rear Shimano Dura-Ace R9270, hydraulic disc Dual Pot XT Brakes
Brake Lever Shimano Dura-Ace R9270, hydraulic disc --
Suspension
Front S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc Ohlins TTX/Coil
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
Stanton Red
Electric Blue
British Racing Green
Misty Blue
Shadow Grey


Physical Specs
Length -- --
Weight 6.62 kg --
Overview
Features -- Fully CNC’d linkage pieces
Fully CNC’d bottom bracket shell and first linkage piece known as “the egg”
Heat treated super short aluminum chainstays 445mm
Custom CNC’d Swapout dropouts 12 x 148 Boost as Standard
15″ frame weight – 3.95kg without shock, 4.47kg with shock
Frame designed around a Q factor of 172mm or greater
Designed for a headset cup depth of 9mm
Recommended Fork Travel: 140mm - 170mm
Additional Details -- Spring: Ohlins Spring

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