3D Printed BicyclesConsumer ProductsMetal Additive Manufacturing

Cycling hour speed world record set on a 3D printed Pinarello bike

The BOLIDE F HR 3D, designed specifically for Filippo Ganna, was printed in Scalmalloy on an EOS M400

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Filippo Ganna, the 26-year-old cycling champion from Team Ineos, set a new hour speed world record, after covering 56.792 Km of track in 60 minutes at the Grenchen velodrome. The world record holder, Dan Bigham, set the previous record just last August 19th at 55.548 Km. How did Ganna do it? For sure his amazing talent and a lot of work but also thanks to a largely 3D printed Pinarello bike: the BOLIDE F HR 3D.

The BOLIDE F HR 3D has a 3D printed frame, designed specifically for Filippo Ganna and for his UCI Hour Record timed by Tissot attempt. It was 3D printed on an EOS M400 system. “We are always pushing the level of product design to new extremes to allow our champions to achieve their goals” commented Fausto Pinarello.

The Pinarello BOLIDE F HR 3D, designed for the hour speed world record by Filippo Ganna, was printed in Scalmalloy on an EOS M400
The BOLIDE F HR 3D has a 3D printed frame, designed specifically for Filippo Ganna and for his UCI Hour Record timed by Tissot attempt.

We are always pushing the level of product design to new extremes to allow our champions to achieve their goals”Fausto Pinarello

All cyclists always want to ride the best bike available, especially when it comes to aerodynamic performance and power transmission. Additive manufacturing has made its way into the cycling industry, even at high-end consumer levels, for both frames and accessories such as bike seats.

But for this unique project, the demands were even higher than usual. This is why the new BOLIDE F HR 3D was actually designed around the rider, conforming to Filippo’s unique anatomy, to maximize both his comfort and overall aero performance.

This makes the BOLIDE F HR 3D the first and fastest high-performance 3D printed bike ever built. What makes this accomplishment even more impressive is that all previous records had been set on carbon fiber bike frames. Now, for the first time, through additive manufacturing, a new way of making metal frames has proven to be competitive. The concept behind it is to blend strength and stiffness with aero gains, relying on a production method that would allow for millimeter-perfect sizing.

Pinarello worked closely with both Filippo Ganna and the INEOS Grenadier’s team to create the bike. The HR bike’s frame and fork were designed to take advantage of additive-manufacturing-specific Scalmalloy, a high-strength Scandium-Aluminium-Magnesium alloy, developed by AP Works for advanced aerospace applications.

The Pinarello BOLIDE F HR 3D, designed for the hour speed world record by Filippo Ganna, was printed in Scalmalloy on an EOS M400The combined drag of the seat tube and seat post is almost 40% of the total drag of the frame and fork. By studying how humpback whales can do very tight maneuvers in the oceans, researchers have found that the tubercles (the protrusions in the front of their flippers) contribute significantly to this ability. Working on this shape applied to bicycles, they have also found that ridges can minimize and reduce drag by generating streamwise vortices in the troughs between the bumps, causing the flow behind the peaks to stay attached.

The new frame has been designed to reduce as much as possible the frontal area also taking advantage of the removal of the 3:1 UCI rule. There have been some substantial gains from making the wheel hubs as well as the bottom bracket (BB) narrower than normal. The BB was narrowed down to 54mm (from 70mm), the wheel hubs from 120mm down to 89mm on the rear, and from 100mm down to 69mm on the front.

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based 3dpbm. Today the company publishes the leading news and insights websites 3D Printing Media Network and Replicatore, as well as 3D Printing Business Directory, the largest global directory of companies in the additive manufacturing industry.

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