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The Utility of Folding Bicycles

It’s cute, but is it practical? That’s the question many folding bikes elicit. Sure, it looks neat, but how well does it actually function?

The competition heats in blazers and ties at the Eastbourne Cycling Festival.

Form follows function. Ergo, the form of a folding bike should follow its function. Folding bikes are designed to be compactly carried and stored in other vehicles, but still provide reliable transportation. Tourists, commuters, students and soldiers all appreciate a bike that can be compactly brought along and deployed easily.

Folding bikes, or “folders,” have been around since the the first cyclist wondered, how can I get that on a train? The earliest folding bike, a penny farthing, or “high wheeler,” didn’t have a folding frame, but rather had a sectional big wheel that could break down into pie slices for storage and transport. The invention of the now-ubiquitous safety bicycle led to the contemporary standard of folding frames. The French and Italian armies were early adopters of folding bikes for their bicycle infantry, who were expected to carry their folders across terrain too rough to bike, as well as into battle (the latter proved to be suicidal in The Great War). During the Second World War the British army issued thousands of folding bikes, the “Type G Apparatus,” to its troops, and folders parachuted into battle on commando raids.

Elite Italian Bersaglieri troops pose with their folding bikes during an alpine training exercise, circa 1900.

Military history aside, folding bikes are a favorite amongst commuters and nomads. While folders are but a tiny percentage of the North American market, they dominate over a fifth of the East Asian market. In Asia, as elsewhere, commuters like a bike that they can bring onto buses, trains and ferries, where traditional bikes are often banned. Amtrak welcomes folding bikes as both checked and carry-on luggage, provided they fit a certain size. Folding bikes can be checked on airlines as well. (Be warned though, that some airlines will charge an extra fee for a bike if they’re told it’s a bike, even if it fits all other size and weight restrictions. So don’t advertise what’s in the bag.)

An American soldier rides a Montague Paratrooper folding mountain bike on Kandahar air base in Afghanistan.

The quality of folding bikes mirrors that of standard bikes: you get what you pay for. If you spend more than a thousand dollars, you can expect a quality machine. If you spend less than a couple hundred bucks, you can expect an unreliable piece of junk. (Hint: if your folding bike shares a label with a discount wristwatch or was bought at Walmart, it will make a great footrest, but little else.)

Brompton and Dahon folding bikes abound at marinas and RV parks. On boats and campers, space is at a premium. A folding bike allows travelers to make quick trips and visit places that bigger vehicles can’t go.

College campuses are also a favored abode for folding bikes. The intelligentsia appreciate a bike that’s small enough to stash in a cubicle or beside a classroom desk.

And finally, an often under looked benefit to folders is that their portability makes them more secure. It’s harder to steal a bike that’s stashed under a desk or in a hotel room, compared to a bike locked all by its lonesome to a telephone pole. Worried about having your bike stolen? Then just take it with you!

It may not be an Autobot or a Deception, but it's definitely a transformer.

Author Wesley Cheney departs for Skagway, Alaska on the Ides of April with a Peugeot Nouveau folder, where he will be working as a bicycle tour guide for Sockeye Cycle Co.

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Brompton U.S. Championship in Philly on March 20, 2010


While at NAHBS one of the busier booths all three days was that of Brompton. Brompton is a folding bicycle company out of West London, England. They are actually built in England and take great pride of their English background. Their bikes span a wide spectrum and meet many peoples needs for the folding bike market.

Brompton also holds a bicycle race in England, they call it a World Championship. I will call it amazing entertainment. Guys and gals in tweed or full suits, with racing shoes and helmets going full speed on these mini wheeled Bromptons. This year they will be holding a U.S. Championship in Philadelphia, PA on March 20th.

Brompton US Championship 2010

The Philly Phlyer Collegiate and USA Cycling Race Weekend are pleased to host the first annual Brompton US Championship. Registration is now open; there are only 100 places available….. these will be administered on a first come first served basis.

The race is to be held on Saturday 20th March, 2010, at the Memorial Hall, West Fairmount Park, Philadelphia, Pennsylvania, USA.

The event is inspired by the British based Brompton World Championship, currently in its fifth year; the US event is a qualifier of sorts, the fastest male and female riders will win flights and entry to the UK event in October.

Read more over at

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Mark Sanders folding bike

I got to try out the new Pacific Cycles Integrated Folding (IF) bike designed by Mark Sanders.

Mark Sanders folding bike

This bike is something like a full sized version of the Strida folding bike. Like the Strida, it folds in half quickly, with unique uni-“forks” so the wheels lay flat against each other. James at Bicycle Design is a big fan of Mark Sanders. This bike has the Schlumpf two-speed crank, 26″ tires, and weighs about 28 lbs. When folded it can be toted on its wheels. A fully enclosed chaincase helps to minimize mess from the chain.

Pacific Cycles is lining up USA dealers for this bike at the show. Retail should be somewhere around $2000.

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Mobiky Genius folding bike

My friend Maribeth recently picked up a Mobiky Genius folding bike and she let me try it out. The Mobiky Genius is a cute folding bicycle with tiny 12 inch tires that folds up very quickly and fairly compactly. Mobiky seems to market primarily to the general aviation and yachting crowd, who like folding bikes because they fit into the limited space available to their craft, but it has a number of sensible commuter features as well: it folds (obviously) for the multimodal commute and limited office space storage; the chainguard and fenders keep your trousers clean; a kickstand holds the bike up; and the bike and components are all sturdy and low maintenance materials and construction. Unlike the Strida, you can even wear a skirt or kilt on this bike with its ultra low frame.

Mobiky Genius with skirt

The three second claim seems a little optimistic for a complete fold, but pushing the seatpost in then pulling up on the middle handle results in an very quick fold on the run, which can be handy when you’re running for the bus or train. You can then fumble with pushing the handlebar and saddle in on the telescoping posts and folding the pedals in after you’re on board. The handle works very well to tote the 13.5kg/30 lb weight of this bike. The kickstand is especially handy because it works to stand the bike in both folded and non-folding configurations!

The Mobiky Genius rides about like you’d expect a bike with 12″ wheels and short wheelbase to ride. The ride isn’t that good, but for short commutes the Mobiky does the job. The wide tires do a good job of absorbing bumps, and I can barely ride no-handed on the Genius but it takes some effort. Front and rear disc brakes adequately stop the bike. The bike chain is a little noisy — I don’t know if it’s the unique double-chain configuration that adds noise or something else. It’s not really annoying, just noticeable and I’m sure it you get used to it with time. It’s geared fairly low — on the flat area I rode in I was in the highest gear and wished I had something higher — but 3 speeds give you the options you need to ride on hilly terrain.

Mobiky Genius folding bicycleMobiky is apparently changing some components — the US distributor’s website lists a Sturmey Archer 3 speed hub, but Maribeth’s bike came with SRAM’s 3 speed hub. The frame feels solid, and Mobiky claims riders up to 230 lbs can ride this bike. The handlebars and seatpost have a wide adjustment range to accommodate cyclists from 52 inches to 72 inches tall.

A 16″ wheel version is also supposed to be available Real Soon Now. I saw it at Interbike but didn’t get a chance to try that one out.

Mobiky folding bicycle

Overall, the Mobiky Genius is a reasonable folding bike with good components that folds quickly and compactly.

Larry at reviews the Mobiky Genius, and also makes the Mobiky Genius available for purchase from his online store for $699, which includes a carrying bag. Some of the above photos are from folding bike fan Ana Banana in Portugal. Click on the photos for more info and captions.