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Behold the Infinity Cycle, the world’s first double-decker touring bike

Behold the Infinity Cycle, the world’s first double-decker touring bike

The Zenga Bros’ curious yet ingenious Infinity Cycle is unlike anything else on two wheels. Designed to let riders swap positions mid-ride, it allows for continuous forward motion without stopping—while still carrying everything needed for life on the road. Now, the concept has evolved into a four-person machine, currently touring around Vancouver with Benny Zenga, his wife Emily, and their twin five-year-old sons.

Benny Zenga, a self-described “cinemacyclist” based in Vancouver, first designed the Infinity Cycle a decade ago. The idea was simple but radical: build a bike that allows two riders to trade places while in motion, eliminating the need to stop and rest. Today, that vision has expanded into a larger family-powered version, launched in support of their Be a FoolKickstarter campaign.

To understand the Infinity Cycle, it helps to go back to the beginning. The Zenga brothers grew up in a rural small town northeast of Toronto, surrounded by farm fields, cows, and horses—but instead of riding livestock, they turned their attention to bicycles. Armed with a Lincoln Electric wire-feed MIG welder, they began cutting and recombining discarded frames into increasingly strange and inventive machines.

“Discarded bikes are free so we just started chopping them up and building whatever came to mind,” said Benny Zenga, in a previous interview with Momentum. “We built low riders, choppers, and tandems. We experimented with multi-wheeled and arm-powered bikes but the tall bike proved to be the ultimate two-wheeled human-powered machine.”

It was a natural progression for a family of eight siblings—seven brothers and one sister—whose creativity extended beyond the garage. They were also early adopters of video, documenting their experiments long before it was commonplace.

“We grew up with a video camera, which was rare in the ‘80s, because not everyone had them as we do now. Our first video camera was tethered to a full-sized VHS recorder which was like a cinder block,” Zenga says. “Dad bought us the extension cable so we could bring the camera all around the house and even out the window into the side yard. Once the Sony Handicam came out, with much smaller tapes, the video camera was always in my backpack and with us on all our adventures.”

Those adventures—often involving towering, precarious bikes—became a kind of local spectacle.

“Riding a tall bike anywhere is fun but in our small town it was especially wild because we built an entire fleet of tall bikes and when we’d hit the streets it was an instant parade,” says Zenga.

That same DIY ethos would eventually be captured in their documentary Tall Bikes Will Save The World, and later evolve into ever more ambitious builds.

The Infinity Cycle is perhaps the most fully realized version of that evolution. Designed to solve the basic limitation of human-powered travel—fatigue—it allows riders to swap positions without stopping.

“The only real problem with bicycle travel—tall or otherwise—is that it’s human-powered and humans get tired… Since e-bikes don’t exist in our world, we had to get creative,” says Benny.

Rather than following the traditional tandem model, the Infinity Cycle stacks riders vertically in a double-decker configuration. It also incorporates storage space for gear and supplies. When the lower rider tires, they climb up while the upper rider takes over pedaling below, creating a continuous rotation that keeps the bike moving.

The bike itself is packed with both practical and playful details. It features three large front lights, multiple reflectors, mirrors, and bottle cages. A rear ladder provides access to the upper riding position, while panniers, boxes, and a spacious undercarriage offer ample storage.

In true Zenga Bros fashion, there’s also a whimsical twist: a collection of dangling spoons attached to the rear, adding a signature bit of movement and sound to the ride.

Recently, Benny put the latest version of the bike to the test in a family ride through Vancouver.

Zenga Bros. earlier version of the Infinity Cycle

“This past Saturday, I took my family on an epic adventure on the Infinity Cycle,” he says. “It’s a double-decker tall bike that I built, designed to allow two cyclists to ride forever… last week I customized it so my wife, Emily, and my five-year-old twin boys, Oly and Ike, could ride with me.”

The result was less a ride and more a rolling spectacle.

“We rode all around Vancouver, sharing smiles and laughter with everyone we encountered.”

Now, Benny, Emily, and their sons have set off on an open-ended journey aboard the four-person Infinity Cycle, using it as both transportation and a kind of moving stage to promote their creative work.

“With two riders, the Infinity Cycle could ride forever—now, with four, it will be able to go even further,” says Zenga.

That work is Be a Fool: Invitation to a Life of Creative Adventure, a full-colour, roughly 160-page book that distills 25 years of Zenga Bros projects into what they describe as a creative philosophy. Packed with photography, illustrations, and stories of “epic adventures” and “crazy experiments,” the book is aimed at anyone looking to reconnect with a sense of play.

“It’s packed with 25 years of epic adventures, crazy experiments, full-colour photographs, and eccentric illustrations—and it shares a simple but revolutionary philosophy that anyone can use to enrich their life,” Benny says.

“We wrote this book for artists who need a playful jolt of inspiration, and for anyone who wants to reconnect with their childlike wonder and joy.”

Benny Zenga at the office

Benny Zenga at the office

The Kickstarter campaign is currently sitting at CA$17,305 raised from 309 backers toward a CA$25,000 goal, with just days remaining as of writing. Like many independent publishing efforts, the funds are primarily earmarked for a Canadian print run on 100% recycled paper through Vancouver-based publisher Nine Ten. The campaign follows an all-or-nothing model, meaning it will only be funded if it reaches its goal by April 3, 2026.

Backers can choose from a range of rewards, including signed copies of the book, a feature-length documentary inspired by the project, and access to decades of archival Zenga Bros footage. The book is expected to ship in September 2026 ahead of wider distribution.

“There are also tons of great extra rewards on our Kickstarter,” Benny adds. “We only have a week to go, and we need your help to get it over the finish line so we can bring this book into the world.”

Ultimately, both the Infinity Cycle and Be a Fool are expressions of the same idea: that creativity thrives when it’s shared, a little impractical, and just bold enough to turn heads—and maybe even start a parade of its own.

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