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Pinarello Dogma K8-S Road Bike Frameset - 2016

Pinarello Dogma K8-S Road Bike Frameset - 2016

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Item # PIN002B

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Bump up the speed.

Rear suspension isn't something you often think of when conceptualizing road bikes, but when your superstar team asks for something to help soften the cobbles of the spring classics and reduce rider fatigue, you get inventive. At the request of Team Sky, Pinarello brought in the same group of Jaguar supercar engineers who helped design the revered Dogma F8 to create the new 2016 Dogma K8-S Road Bike Frameset. Boasting venerable Pinarello heritage and an unprecedented lightweight rear suspension, this frameset sets the new standard for rough-road speed.

Sticking with its proven ally in composite development, Pinarello again relies on Japanese carbon fiber supplier Toray for the K8-S frame's material. It features Torayca T1100 1K Dream Carbon with Nano-alloy technology, which is the same material used in the Dogma F8. While the stuff's name is certainly impressive, its application is even more so. T1100 1K is the current go-to outer skin for many modern aircrafts, and its stiffness-to-weight ratio is nothing short of stunning. But weight, of course, is only a slice of the Dogma equation; we all know tube shaping also plays a vital role in the bike's handling and overall efficiency.

Starting at the front of the frame, Pinarello applies its Onda fork, with ever slightly more rake than the F8's front end to add a hint more compliance and stability to the ride. The Onda fork is derived from that of Pinarello's TT-specific Bolide, wearing an optimized surface profile that works with airflow from the front wheel. The blades describe a somewhat bowed or convex shape, which Jaguar's engineers say keeps air attached, reducing the size of the wake without creating too large a frontal zone.

Moving to the frame, the front triangle closely mirrors the shape and aerodynamic profile of the Dogma F8. Pinarello incorporates its signature FlatBack technology with its oval-front and flattened-back tubing throughout the frame and fork for an aerodynamic profile that slices cleanly through the wind without any extra materials bogging down the scale. An integrated seat clamp and FlatBack seatpost add to the wind-cutting advantage to get you wound up like a pouncing cheetah on your way to the finish line.

At the rear triangle, the K8-S utilizes a markedly different layout than the F8. Most noticeably, a small elastomer suspension system, dubbed the Dogma Suspension System 1.0, sits at the seatstay junction to provide up to 10mm of plush cushion to smooth out bumpy roads and cobbles without sapping away power. While Pinarello is understandably secretive about the final shape and mix of the elastomer, it claims that this system effectively dampens vibrations without any excessive movement when riders dump watts into the pedals. The chainstays and seatstays on the K8-S have also been flattened compared to the F8 to provide additional compliance over the bumps while maintaining lateral stiffness.

You'll undoubtedly notice the seamless integration of the fork with the tapered 1-1/8 to 1-1/2in streamlined head tube and oversized FlatBack down tube. At the bottom bracket junction, Pinarello stuck with its proven Italian-threaded BB, a design choice it stands by for both reliability and overall rigidity. Additionally, the extensive CFD testing revealed that lowering the seat tube water bottle mounts results in less drag. Because of this, Pinarello incorporated three holes on the seat tube and down tube for two bottle mounting positions.

Pinarello's asymmetric design philosophy is ever-present in the Dogma K8-S, as its engineers again restudied the forces in action as a rider stands on the pedals, pulls on the handlebars, and muscles the bike through corners. FEA (Finite Element Analysis) confirmed that the asymmetrical design was beneficial in leveling the variances in frame deflection from one side to the other, which is why the K8-S' tubes have been arranged in a similar layup to better balance drive-side forces.

As with the F8, carefully engineered internal cable routing on the new K8-S allows for you to easily choose between either mechanical or electronic shifting systems without any penalty to the bike's aesthetics or its aerodynamic profile. The K8-S features interchangeable cable stops at the frame openings that are capable of being intuitively swapped out should you select different drivetrains throughout the life of the frame.

Tech Specs

Frame Material:
Toray T1100 1K Dream Carbon Fiber
Wheel Size:
700 c
Onda Carbon
Fork Material:
Toray T1100 1K Dream Carbon Fiber
Head Tube Diameter:
1.125 - 1.5 in tapered
Headset Included:
Bottom Bracket Type:
Cable Routing:
Front Derailleur Mount:
Brake Type:
Seat Collar:
Dogma Suspension System 1.0
Claimed Weight:
[53cm] 990 g
Recommended Use:
road cycling
Manufacturer Warranty:
2 years

Size Chart


Geometry Chart


Dogma K8-S

Seat Tube


Effective Top Tube






Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




44cm 44cm 50.5cm 50.8cm 35.3cm 11.5cm 69.5o 74.4o 6.7cm 42cm
46.5cm 46.5cm 51.5cm 52cm 36.4cm 12cm 70o 74.4o 7.2cm 42cm
50cm 50cm 52.5cm 52.8cm 37.1cm 12.5cm 70.9o 74o 7.2cm 42cm
51.5cm 51.5cm 53.5cm 53.5cm 37.7cm 13cm 71.5o 73.7o 7.2cm 41.5cm
53cm 53cm 54.5cm 55cm 38.3cm 14.4cm 72o 73.7o 7.2cm 41.5cm
54cm 54cm 55cm 55.9cm 38.3cm 15.2cm 72.3o 73.4o 7.2cm 41.5cm
55cm 55cm 55.7cm 56.9cm 38.6cm 16.3cm 72.3o 73.4o 7.2cm 41.5cm
56cm 56cm 56.5cm 57.7cm 38.8cm 17cm 72.7o 73o 7.2cm 41.5cm
57.5cm 57.5cm 57.5cm 59.3cm 39.4cm 18.4cm 73.2o 73o 7.2cm 41.5cm
59.5cm 59.5cm 58.7cm 62.1cm 39.1cm 22cm 72.9o 72.4o 6.7cm 41.5cm

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