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Folding bicycle small enough to fit in hand luggage

kwigglebike.com

161–170 of 431 posts

Re: Folding bicycle small enough to fit in hand luggage

#161

These small bicycles have one major disadvantage: The wheels are too small to provide much of a gyroscopic effect while riding, so they are far less stable than a traditional bicycle. https://www.exploratorium.edu/snacks/bicycle-wheel-gyro

The large advantage is that the wheels are very light, and spin up with little inertia. On my Brompton, I break away from red lights instantly, faster than road bikes.

Re: Folding bicycle small enough to fit in hand luggage

#162
I have a Tern Eclipse X20 (hard to find) which is a folding bike with a different design point, trunk rather than luggage. It weighs about 23.6 lbs and has 24" wheels with an SRAM Rival and Force groupset. I've upgraded the front derailleur to an SRAM Yaw which is by far the best FD I've ever had. I also swapped out the FSA crank (the worst) for a Shimano 105 (working man's groupset).

It's a folding bike which lives in my car's trunk. It's also easily and quickly adjustable so that I can bring one of my other bikes for me and then set the Tern up for pretty much anyone else.

It's a little small for me and with a short wheel base, there's a limit to how steep it will go without the front wheel just lifting off the ground.

One of the positives that I've found with this bike is that I like smaller wheels, 24" rather than 700C. You accelerate faster. It might not work for a road bike doing a loop ride but for urban riding, I do like it.

Re: Folding bicycle small enough to fit in hand luggage

#163
post #71

I think the niche of "personal vehicle that you can take on the metro" is better filled by PEVs. Shrinking down a bike's drivetrain size is harder than just putting together a single wheel, some circuit boards, batteries, and an electric motor to make an electric unicycle. A big advantage EUCs have is you don't have to bother with folding like a bike, just hop off, grab the trolley handle and walk on. Electric scoote…

I usually spend a few minutes waiting for public transit, though - which would be more than enough time to fold up a bicycle.

Once you get used to it, folding a Brompton takes less than ten seconds. I'm not as fast as this guy, though: https://youtu.be/Z-SRASKLqh8?t=36

Re: Folding bicycle small enough to fit in hand luggage

#164

Earlier quoted context omitted.

Real bicycles also have larger wheels for a reason - its much more efficient and rolls over bumps and ruts much easier.

What do you mean by efficient?

i don't know what he meant by it, but large wheels are better "flywheels" and that storage of momentum might make sustained pedaling easier.

Re: Folding bicycle small enough to fit in hand luggage

#165
Unless you really need the act of pedaling, you should also strongly consider an EUC. They have trolley handles, fit under a seat more easily, go as fast as you could ever want, have much larger 16" wheels, and can easily handle any hill. Kingsong 16s got me to and from the bus every day.

Re: Folding bicycle small enough to fit in hand luggage

#167

I don't think I could ever get over the look of the small wheels. It seems like the fanny pack of bikes: pretty useful but you gotta look dorky if you want to use it. It's vain but I'd find it hard to believe I'm alone here.

The bicycle is a real pinnacle of beauty among human invention. When I think about the concepts of "function" and "form" in design, they are at peak marriage in a bicycle (I need not even point to a specific era). I'd own 10 if I had the space.

The folding bicycle is bastardized version that shoehorns the concept of portability at the expense of nearly every other quality except "gets from point A to point B".

I'm likely wrong and they probably are a great solution for many but goodness.. I love normal bicycles too much to look at a folding bike with anything but cringe.

Re: Folding bicycle small enough to fit in hand luggage

#168
post #24

I've spent a long time with folding bikes over the years. My advice: bite the bullet and buy a Brompton[1]. Yes, Bromptons are expensive. But they ride like a bicycle, have gears, a stiff enough frame, luggage racks etc. There's very little compromise. The fastest I've done on mine is 45 kph and I've ridden 70km in a day. I carry it on and off buses and trains multiple times a day without issue. In the past I had an…

A discussion about folding bikes would not be complete without mentioning Helix. Helix folds almost as small as a Brompton but has 24” wheels and standard bicycle components such as disc brakes, Shimano/SRAM drivetrain etc.

Also the fold is the most compact possible, even more compact than Brompton in terms of maximizing the use of space. It also fits in a standard airline luggage without any disassembly which few other folding bikes can claim.

The frame is full titanium including the locking mechanisms. It’s made in Canada and is the lowest cost complete titanium bike on the market, folding or not.

https://www.helix.ca

Full disclosure, I’m the owner/founder of Helix. Happy to answer any questions related to it or folding bikes in general.

Re: Folding bicycle small enough to fit in hand luggage

#169
post #123

If portability is the ultimate goal then its probably better to go with learning how to ride unicycle instead of buying a intricate folding bike with a lot of compromises. Sometimes the the problem can't be fixed with a technical solution and the user simply needs to learn to use a new tool ;)

Couldn't agree more. Electric Unicycles are unbelievable, here are the benefits: 1. Size / Portable, about 7" x 17" x 24" 2. Agility, better maneuverability around cars and obstacles 3. Speed, can go >40mph, most of the time you only need 15~25mph 4. Hands free, can carry stuff 5. Wheel size is 16" and up (better than scooters with small wheels) Downsides: 1. Weight, 40lbs and up (my current one is 65lbs) 2. Electric…

The downsides of weight, safety, exercise were what got me to back to bikes after 4 years and thousands of km on a OneWheel. I gained ~10% bodyweight while I commuted with the OW and lost it all within a couple months of biking.

Re: Folding bicycle small enough to fit in hand luggage

#170
post #24

I've spent a long time with folding bikes over the years. My advice: bite the bullet and buy a Brompton[1]. Yes, Bromptons are expensive. But they ride like a bicycle, have gears, a stiff enough frame, luggage racks etc. There's very little compromise. The fastest I've done on mine is 45 kph and I've ridden 70km in a day. I carry it on and off buses and trains multiple times a day without issue. In the past I had an…

A discussion about folding bikes would not be complete without mentioning Helix. Helix folds almost as small as a Brompton but has 24” wheels and standard bicycle components such as disc brakes, Shimano/SRAM drivetrain etc. Also the fold is the most compact possible, even more compact than Brompton in terms of maximizing the use of space. It also fits in a standard airline luggage without any disassembly which few ot…

That's a beautiful bike!
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