

- DESCRIPTION
- SPECS
- GEOMETRY
- BUYING A BIKE
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When we developed the Tarmac Disc, we didn't just want it to be fast. We wanted it to be fast everywhere. Long climbs, windy flats, Grand Tour stages, local fondos—we built a race bike to be the most complete out there. How'd we do it? We started with our Rider-First Engineered™ frame with a perfectly-tuned ride quality for every size, added in some serious aero tech that makes it 30 seconds faster over 40 kilometers than the Tarmac SL5, and then made it 20% lighter. Nothing is lighter, faster, and better handling.
This Tarmac comes with a reliable spec that includes Shimano 105 mechanical shifting and quick-stopping hydraulic disc brakes, durable DT R470 Disc wheels, and our fan-favorite Power saddle.
- For the construction of the Tarmac, we utilized advanced aerospace composite optimization software to revolutionize the construction and layup of our new FACT 9r carbon.
- 500 pieces creating 7 different sizes with the same tuned ride–that’s Rider-First Engineered™. We examine every ply of carbon on every frame size to ensure that all of our performance targets come through. To make sure you get the perfect ride, every frame gets a unique layup schedule with different ply arrangements, orientations, quantities of material in specific areas, and sometimes, even exclusive thicknesses and types of carbon itself.
- Aerodynamics is the most important thing we can do to make you faster, but with the Tarmac, we added aero features without any cost to weight. Through development, areas were discovered where we could add aero for free—a new fork shape and dropped seatstays with aero tubes. The result? A Tarmac that’s approximately 30 seconds faster over 40 kilometers.
- The updated the geometry is based on countless Retül data points and professional rider input. This enabled us to develop a Performance Road Geometry that perfects the combination of a responsive front-end and short wheelbase, which delivers instantaneous response and optimal power transfer.
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DRIVETRAIN Front Derailleur Shimano 105 R7000, braze-on Crankset Shimano 105 R7000, HollowTech 2, 11-speed Rear Derailleur Shimano 105 R7000, long cage, 11-speed Shift Levers Shimano 105 R7020, hydraulic disc Bottom Bracket Shimano Threaded BSA BB Chain KMC X11 Extra Lightweight, 11-speed Cassette Shimano 105 R7000, 11-speed, 11-30t BRAKES Front Brake Shimano 105, Hydraulic disc Rear Brake Shimano 105, Hydraulic disc COCKPIT Saddle Body Geometry Power Sport, steel rails SeatPost S-Works FACT carbon 27.2mm, 20mm offset Seat Binder Collar for carbon frames Tape Roubaix S-Wrap Handlebars Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp Stem Specialized, 3D-forged alloy, 4-bolt, 7-degree rise WHEELS & TIRES Rear Wheel DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, alloy freehub body, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples. Inner Tubes Presta, 48mm valve Rear Tire Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x26mm Front Tire Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x26mm Front Wheel DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples. Suspension Fork FACT carbon, 12x100mm thru-axle, flat-mount disc FRAMESET Frame Tarmac SL6, FACT 9r carbon, Rider-First Engineered™, threaded BB, clean routing, 12x142mm thru-axle, flat-mount disc
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44 49 52 54 56 58 61 Crank Length 165mm 165mm 170mm 172.5mm 172.5mm 175mm 175mm Handlebar Width 360mm 380mm 400mm 420mm 420mm 440mm 440mm Stem Length 70mm 80mm 90mm 100mm 100mm 110mm 110mm Saddle Width 155mm 155mm 155mm 143mm 143mm 143mm 143mm Seatpost Length 300mm 300mm 350mm 350mm 350mm 400mm 400mm Stack 500mm 514mm 527mm 544mm 565mm 591mm 612mm Reach 365mm 375mm 380mm 384mm 395mm 402mm 408mm Head Tube Length 105mm 115mm 126mm 143mm 163mm 190mm 210mm Head Tube Angle 70.5° 71.75° 72.5° 73° 73.5° 73.5° 74° BB Height 266mm 266mm 266mm 268mm 268mm 268mm 268mm BB Drop 74mm 74mm 74mm 72mm 72mm 72mm 72mm Trail 71mm 63mm 58mm 58mm 55mm 55mm 52mm Fork Length, Full 363mm 363mm 363mm 363mm 363mm 363mm 363mm Fork Rake/Offset 47mm 47mm 47mm 44mm 44mm 44mm 44mm Front Center 571mm 574mm 577mm 579mm 591mm 606mm 613mm Chainstay Length 410mm 410mm 410mm 410mm 410mm 410mm 410mm Wheelbase 969mm 973mm 975mm 978mm 990mm 1005mm 1012mm Top Tube Length, Horizontal 493mm 511mm 535mm 544mm 566mm 581mm 599mm Bike Standover Height 730mm 740mm 755mm 775mm 795mm 826mm 850mm Seat Tube Length 435mm 451mm 481mm 499mm 519mm 540mm 570mm Seat Tube Angle 76° 75.5° 74° 74° 73.5° 73.5° 73° -
All bikes purchased from iRIDE will have been pre-assembled by our mechanics and test ridden. You will also receive a multi point checklist of all the safety checks and bike build elements we work through to ensure you bike is correctly assembled, and then tested so that it runs as it should. Bikes being sent to a customer who is unable to collect it from iRIDE, will have it boxed, wheels, saddle and bars generally off and re-packaged.
The delivery of bikes will be organized once a freight fee can be determined based on weight and delivery location.
Assembly should take no longer than 10-20 minutes. It is recommended that a skilled mechanic assemble, or check the bike. If possible your local bike shop is likely best placed to do this from a safety perspective to ensure all is as it should be. If a rider is having any issues we can hook up an online video chat, or talk over the phone. If this service is required email us at workshop@iride.net.nz to organise a time that suits all parties.