Infinity Cycle with Benny and Emily Zenga
Infinity Cycle with Benny and Emily Zenga (Image Credit: Zenga Bros)

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

The Zenga Bros’ curious yet ingenious Infinity Cycle lets two riders swap positions mid-ride, carry all the essentials, and keep moving indefinitely. It’s just embarked on a tour, powered by Benny Zenga, his wife Emily, and their twin five-year-old boys
Tue, Mar 24, 2026 21:45
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Benny Zenga, a self-described ‘cinemacyclist’ from Vancouver, Canada, designed the Infinity Cycle 10 years ago – a bike built so two riders can switch positions mid-ride, allowing them to keep moving without stopping. Now, his family has set off on an updated four-person version, touring around Vancouver to promote their Be a Fool Kickstarter campaign. Let’s have a closer look at the two-person design and how it all started. 

Infinity Cycle 1
Infinity Cycle (Image Credit: Zenga Bros)

The Zenga Bros are a family who have spent more than two decades experimenting with unconventional bike designs, particularly tall bikes, and even filmed a short documentary with Red Bull titled ‘Tall Bikes Will Save The World’ . Benny Zenga’s adventures began with hand-me-down bikes, and nowadays, cameras and bikes define how he moves through the world.

“Tall bikes are something my brothers and I discovered through trial-and-error making art bikes,” says Benny.

“They were always really fun and seemed to stick around, so we naturally didn’t stop creating tall bikes – and then at some point, the ridiculous nature of it became ridiculously practical. Almost twenty years later, it’s become the only bike I want to take to the grocery store or travel across the world on.”

Over time, their tall bikes became moving workshops, allowing them to carry all the supplies needed. “You’ll see a bike give birth to another bike and skateboard ramps built in unexpected places,” says Zenga.

Infinity Cycle riding
Infinity Cycle riding (Image Credit: Zenga Bros)

This passion for reworking and reimagining bicycles eventually led to the creation of the Infinity Cycle around a decade ago – a design that allows two riders to share the workload and keep moving without stopping.

Benny explains the motivation behind the idea: “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.”

Unlike a traditional tandem, which also lets two riders share the workload, the Infinity Cycle stacks riders on top of one another – essentially a double-decker bike – with space to store supplies, and carry whatever else is needed. The idea is that when the rider on the bottom gets tired, they move to the top, and the rider on top moves to the bottom, creating a continuous cycle that keeps the bike moving forever.

Infinity Cycle Spoon Jingle Truck
Infinity Cycle Spoon Jingle Truck (Image Credit: Zenga Bros)

The Infinity Cycle comes packed with practical and quirky features. It’s equipped with three large front lights, plenty of front and rear reflectors, mirrors, and bottle cages. A ladder at the rear allows riders to climb to the top bike, while panniers and boxes provide plenty of storage. A large undercarriage adds more space to carry supplies.

In true Zenga Bros style, an assortment of spoons dangle from the frame at the rear, adding a playful touch to the touring setup.


Benny, his wife, plus their twin sons Oly and Ike have just started an adventure on the latest version of the Infinity Cycle, mounting four people, as they go on an open-ended tour in Vancouver to raise awareness for the Be a Fool book.

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

Benny and his brother Willy Zenga have documented their adventures in the book, which they are currently funding through a Kickstarter campaign. The project is over 60% funded at the time of writing, and aims to inspire readers to tap into their creative potential by sharing 25 years of unconventional projects and adventures.

Emily is our track and road racing specialist, having represented Great Britain at the World and European Track Championships. With a National Title up her sleeve, Emily has just completed her Master’s in Sports Psychology at Loughborough University where she raced for Elite Development Team, Loughborough Lightning. Emily is our go-to for all things training and when not riding or racing bikes, you can find her online shopping or booking flights…the rest of the office is now considering painting their nails to see if that’s the secret to going fast…  

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Rendel Harris 9 minutes ago

@timscottellis I can't speak for elsewhere but in London cycle provision and infrastructure has improved out of all recognition since the 90s and as a result fatalities are down 50% and serious injuries are down 20% despite the fact that the number of miles ridden has increased by 300%. What proportion of that improvement is attributable to Critical Mass cannot of course be measured, but it's absolutely incorrect to say "so little has actually changed".

in: Hundreds of cyclists ignore road closure to “mass trespass” on notorious Westway and tell government to “stop spending money on car roads”
timscottellis 31 minutes ago

I remember thoroughly enjoying the Critical Mass rides in the early to mid nineties. Fun as they might be, they don't appear to be achieving much if they're still going. So little has actually changed despite all the good words.

in: Hundreds of cyclists ignore road closure to “mass trespass” on notorious Westway and tell government to “stop spending money on car roads”
imajez 7 hours ago

Not talking about just bikes shops, but any business that cannot afford to pay its staff a living wage, is not a viable business. Big companies whose staff have to claim benefits despite working full time are exploitative. And yet it's 'benefit scroungers' that get attacked and demonised by the press, not the extremely wealthy, tax dodging companies not paying their staff properly. Oh, like large say newspapers businesses.. Smaller businesses like your LBS, are like poor Vs rich folk, their existence costs them more than big businesses it does due to economies of scale etc, just like rich folk can afford to buy better quality suff that lasts longer or stockpile food when it's on offer whilst poor people have to scrape by.

in: “The Saturday lad or lass is under threat”: Bike shops say minimum wage increases and better sick pay prevent them taking on part-time staff
Chris RideFar 9 hours ago

The problems mentioned in this article are far more wide-ranging than simply affecting the viability of hiring Saturday lads/lasses. Fixing bikes or selling bikes now requires so much more skill and knowledge than it did 10-20 years ago, but the pay is still rubbish, partly because public perception is that the job is easy and is just a hobby. Therefore people with the ability to be good at the job are not encouraged to stick around and they look elsewhere for a career that can earn a decent wage. I don't enjoy the fact that half the bikes that I work on have almost-unique parts that requires odd techniques, tools, or parts to repair and I first have to research what I need for many of them (despite having 20 years of experience). I'm now getting so much work that I could consider hiring someone else, but it would be impossible to find a skilled person who would work for the wage I can offer and it would take far too much of my time to train someone to a level where they can do more than the simplest 10% of the jobs that come in (whereas 10-20 years ago, after a small amount of training they probably could have done 30+% of the jobs). The complexity and uniqueness of modern bikes is apparently necessary to sell them, but soon there are going to be no mechanics left who will work for the wages that people are prepared to pay. At some point, people are going to have to admit that bike mechanics and salespeople are highly skilled and knowledgeable and should be reimbursed accordingly. Or, everyone can just order bikes online and watch YouTube repair videos and end up with a bike that barely works and isn't safe; but that's fine because they're just simple kids' toys, right?

in: “The Saturday lad or lass is under threat”: Bike shops say minimum wage increases and better sick pay prevent them taking on part-time staff
mattw 12 hours ago

I think the author is trying too hard to "both sides" this one. The basic error is Gove's - he was wandering across a pedestrian crossing on red for him with his head in a cup of coffee, and started well after it was on red. The Highway Code says "should not cross" in these circumstances. He then tried to excuse this by red herrings. Conservatives, including Gove, are supposed to have taking personal responsibility for their actions as a core value. Perhaps having the crooked coward Boris Johnson and Fruit Loop Liz as elected leaders demonstrates that this is merely historical. Gove is permitting a culture war being fought in the pages of his magazine; that is a war where Conservatives are demonising cycling because they hope it will save the rump Conservative Party. One example was their sudden reversal of support for the Welsh 20mph default limit. Should noodles have reacted less sharply - perhaps. A chat with Michael Gove to stop him wandering around the streets like a lobotomised koala may have been beneficial.

in: Michael Gove vs the disgruntled camera cyclist: Sometimes optics matter more than being in the right
Backladder 14 hours ago

@mctrials23 People have been suffering for years because they have been unlucky enough to have been hired by bad people, or had the bad luck to become ill. This is just bringing the system more into balance. I don't have a problem with encouraging people to start businesses but I don't agree with doing it by letting them exploit the poor and the desperate, if they need encouragement then offer state benefits for small businesses and use the claims process to make sure that they are doing everything they should to run the business properly including paying and training their employees. If they just want to get rich quick by exploiting others then they should be in the USA.

in: “The Saturday lad or lass is under threat”: Bike shops say minimum wage increases and better sick pay prevent them taking on part-time staff
mdavidford 14 hours ago

One may wonder why you've brought up DEI when it has nothing at all to do with anything in what Lappartient said. Or why you care about the state of the women's sport if you're so down on diversity, equity and inclusion. 🤷‍♂️

in: “Only makes sense on paths you DON’T want cyclists to use”: “Totally indefensible” slalom barriers on cycle lane; Lance Armstrong’s DS tells UCI boss to “stick to selfies & dubious deals”; “Canyon to Brompton” delivery nightmare + more on the live blog
Rendel Harris 15 hours ago

Not quite the first time, I rode over it back in the late twentyteens, just happened to see it was jammed nose-to-tail so thought it would be fun to filter along...turned out there was an overturned lorry at the eastern end blocking all carriageways. I honestly didn't know cycling was banned (the signs aren't very prominent), just assumed nobody rode on it because it would be suicidal in normal circumstances. Fortunately the weary copper at the other end who saw me just cut off my apologies and said, "Fuck off over there [a gap in the barrier to a slip road] and don't do it again."

in: Hundreds of cyclists ignore road closure to “mass trespass” on notorious Westway and tell government to “stop spending money on car roads”