Questions tagged [folding-bicycle]

Questions about bikes that are designed to fold or collapse for ease of storage.

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1
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1answer
58 views

Is it possible to switch from 20" wheels to 24" wheels on the same frame?

I'm trying to figure out the feasibility of a 20" mini-velo for city use, which can then be converted to 24" MTB wheels for rougher terrain. Assuming the wheels clear the fork and frame, ...
0
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3answers
213 views

Any idea what this is before I buy it?

I Found this locally. What is it? It is currently for sale for what looks like a good price and it's in pristine condition, no rust - looks like it's never been used! Do you know what kind of bike (...
6
votes
2answers
234 views

Are small radially laced motor hub wheels like Swytch trash?

I saw a bike that recently had this kit installed on it, and was surprised at the radial spokes: From having done rebuilds on 20" motor hub wheels, I can appreciate the temptation to look at ...
2
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0answers
111 views

Does anyone has an experience putting mini-velo into a standard-sized luggage?

Personally, I don't trust the designs of many folding bikes mainly because of frame failure issues. So, I am thinking about getting a mini-velo bike, but I wonder if it is possible to fit the bike ...
10
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3answers
2k views

How do people store bicycles in London?

I just moved to London. They seem to have a decent bike culture but I just spoke with a letting agent about renting apartments and she said that most apartments don't allow bicycles inside and most ...
3
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1answer
115 views

How to remove the fork off this Peugeot Nouveau

I have this Peugeot Nouveau fold up bicycle that I'm trying to restore, but I can't manage to remove the forks from the frame. I've removed the handle bars and the stem(?) as well as the pieces that ...
4
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3answers
2k views

Bicycle weight limit (carrying capacity) increase

I have a cheap 20" folding bicycle. Its specs say that the max rider weight is 105kg. The frame is steel (vaguely defined as "HiTen" steel). I want to convert it to electric, so will be ...
4
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1answer
215 views

Consultation needed! To repair or throw out?

i found these two bikes by the dumpster- Dahon Boardwalk folding bikes. They are totally rusted by the salty air (it's a humid salty beach climate). The chain is rusted and when I push the pedal, the ...
3
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1answer
75 views

Dahon Speed Uno. Main frame hard to fold

Is there a way to lubricate or adjust the tension on the main frame hinge on a Dahon Speed Uno? New bike, and it is extremely difficult to fold in half.
0
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0answers
83 views

Why fit a usb on my ebike battery when not even connected

Id like to ask if anyone else has a viking gravity ebike with a internal frame battery pack which has a usb port included. Thing is i found out that it wasn't working even though its a brand new ...
4
votes
1answer
2k views

How to improve band brake?

I have been working on a 26" folding MTB, and its coming together slowly. The rear wheel has a band brake and for the life of me I can't get it to work well. I have no experience with this kind of ...
0
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0answers
61 views

Locating the bicycle manufacturer

I have purchased a fold-up all-terrain mountain bike serial # LDR15080363 that I would like to restore to the manufacturer’s specifications. Unfortunately, I have been unable to confirm who the ...
0
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4answers
266 views

Upright bicycle efficiency & seat movement

The Kwiggle is folding bike that has been around for a while now (even though doesn't seem to be for sale yet): https://kwiggle.odoo.com/en_US/startseite Apart from it's folding capabilities I was ...
1
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3answers
156 views

Bike transport while touring - would a folding bike be better?

So I’m thinking of touring with my lovely self made diamond bike with 28” wheels that I built from used bike parts. I love to ride on something that I built but I wanted to be able to tour a lot and ...
3
votes
1answer
221 views

Has a BMX bike ever been transformed for touring?

BMX frames are notoriously small and nimble for acrobatics. I was curious if the same frames and the same 20" wheel bikes were ever used for touring. Obviously the single-gear and the low-seat ...
3
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1answer
311 views

Does a Tern Cargo Rack fit on a Bike Friday NWT (whilst accomodating Ortlieb Backroller Classic Panniers)?

I was wondering, whether a Tern Cargo Rack fits on a Bike Friday NWT with a Sram Dual Drive 27 whilst accommodating Ortlieb Backroller Classic Panniers. The problem with rear racks, the Sram Dual ...
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0answers
180 views

Adjustable Andros-like stem for 31.8 handlebar

I have used the Tern Andros stem system and got one with it well. Recently I acquired a Riese and Muller folding bike, which has an adjustment system which (for me) is less comfortable. It puts the ...
3
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1answer
1k views

Is it possible to use BMX steerer (stem+handlebars) on fork on folding bicycle?

II want to replace my folding bike's steerer with a BMX setup. I've been told by a bike shop that it is not possible because the steerer tube protrudes 10 cm higher than the frame tube.
1
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2answers
2k views

Identify this old folding bike that I got from the tip - an early Dahon?

please excuse my ignorance. I'm not into biking but i do like to rescue mainly junk from anywhere, charity shops, the tip, skips etc. so on sunday i was making a trio to my local tip and decided to ...
3
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1answer
668 views

Tern Spartan (front rack) on Bike Friday NWT

Does anyone have experience with putting a Tern Spartan™ low-riding front rack on a Bike Friday New World Tourist? Will it fit? Tern Spartan front rack: Bike Friday NWT Bike Friday standard front ...
2
votes
1answer
243 views

Strida single speed - upgrade to 2-3 speeds possible?

Would it be possible to upgrade a single-speed Strida to 2-3 speeds? I know there is a Strida model with 3 speeds but the frame is different with respect to the one of a single speed. In particular, ...
0
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1answer
137 views

Alwasy getting a flat rear tire on my 14"inch folding bike

I just bought my 14" folding bike and I always getting a flat tire on the rear. It happened 4 times in a span of three days. 1st flat was with the stock inner tube, 2nd flat is with the new inner ...
10
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4answers
28k views

How to get more tire clearance with caliper brakes?

I've discovered the brakes on my Bike Friday Tikit don't allow for enough clearance to run Schwalbe Marathon tires. The bike - a folding bike with 16" rims - ships with Kojak treadless tires. It looks ...
11
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2answers
1k views

Front V-brake not working

My V-brake isn't working and I am not sure how I can fix it. I have uploaded a photo of it. Any advice or tips?! I think the flange might have come off the noodle and got stuck in the boot - any tips ...
1
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1answer
468 views

Increasing length of seatpost on a foldable bike

One of my bike is this little Dohiker 14" electric bike, but I actually pedal a lot when riding it, and the seatpost is a bit too short. It is about 50cm long, and I would need a few more centimeters. ...
12
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4answers
3k views

Big dent on frame: How did this damage happen?

I just bought this second hand Ridgeback Impulse folding bike for my partner. I'm a wheelchair user and it was dark and rainy when I collected the bike. So... I didn't check it (facepalm) I just got ...
2
votes
1answer
445 views

Low-height rear rack for Bike Friday New World Tourist folding bike [closed]

I'm looking for a rear rack for my Bike Friday New World Tourist (20" wheels). I've come across a bunch of rear racks like this one that sit high above the wheel. But I'm searching for one that is not ...
1
vote
1answer
471 views

Using a brake noodle on the gear cable?

I'm working on adding a front derailleur to a folding bike that started as a 1x setup. Today I got a front derailleur mounted, and realised that I need some form of cable stop for the inner cable. ...
11
votes
5answers
11k views

Replace Brompton folding pedal - what tool is needed?

I've managed to completely break the folding left-hand pedal on my Brompton. The bit where it fastens onto the crank* is fine, but the rest of it gone. What tool(s) do I need to remove the broken ...
4
votes
1answer
1k views

Fiido D2: shock absorber broken

I bought almost an year ago a Fiido D2 bike. I use it everyday for my commute to work and unfortunately it broke. I brought it to a bike repairer and he said that there's nothing he can do. The only ...
1
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4answers
3k views

How to lubricate noisy joint on Dahon foldable bike?

My Dahon foldable bike makes a huge noise whenever I fold the frame and unfold it. I tried spraying a lubricant into the joint. I do not know if the problem is continuing because the lubricant went ...
6
votes
3answers
2k views

Type of permitted folding bikes on London trains & Tube?

I have found quite a bit of information about taking folding bikes on trains and the Tube in London. Specifically it says you can take a folding bike pretty much anywhere. However, having examined ...
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6answers
16k views

Can a Sora 9 speed rear derailleur short cage support a 12-36 cassette single chain ring 56T?

My 20 inch folder has a single chain ring of 56T and a 11-28T cassette, 9 speed Shimano sora 9 speed Rear Derailleur short cage. I want to change the cassette to 12-36T for some hill routes. Based on ...
1
vote
3answers
146 views

How can I replace my front cog... or fix slipping off on folding bike?

I have a Faulkner folding bike and I notice often the 6th gear, high gear falls off switching to high gear. Someone mentioned that the cog might be a bad choice for the front of folding bike and may ...
0
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3answers
404 views

How can I stop someone borrowing my bike anymore? [closed]

There's this kid I've been riding with for quite some time that keeps borrowing my bike non-stop leaving me riding his broken bike. Not that I dislike him riding my bike or anything, is just that ...
3
votes
1answer
1k views

JIS and ISO square taper

I've read Sheldon Brown's page on JIS and ISO and have read exchanges in forums about the pros and cons of using ISO cranks on JIS bottom brackets. If my understanding is correct, these standards ...
1
vote
5answers
13k views

Choosing a foldable 20" bike: Schwinn S2280 vs. Citizen Bike Miami [closed]

At the moment, I'm in the market for a foldable 20" bike, for commuting purposes. I've done my research, and have found two appealing models: Schwinn S2280 Citizen Bike MIAMI Which of them would you ...
9
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2answers
9k views

Are all folding pedals a bit... bendy?

I have recently acquired a folding bike. One of the most irritating things is the folding pedals, as pictured: Pedal in folded position Pedal in deployed position, ready to ride Close up of pedal ...
3
votes
2answers
678 views

What are these cable "unions" called

The Moulton bike can be taken apart for travel (just using it as an example, I don't have one). The cables that run from the handlebar to the rear triangle are not single continuous cables but are ...
-1
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1answer
279 views

Are there folding bikes with safer - locked steering?

I see folding bikes have several more quick releases and possibly fail points - to fold in half and fold the steering column down, and connect the handlebar to steering column. The really awkward ...
1
vote
2answers
587 views

Is a folding bike's chain more likely to slip?

I have recently purchased a Raleigh folding bike second hand. I had to take it back for servicing (within warranty) when there were problems with the gears and derailleur. The dealers have replaced ...
2
votes
0answers
397 views

upgrade traditional saddle clamp (not seat tube clamp)?

I'm currently restoring my folding bike and it has a large diameter (34 mm/1.34 in) seatpost that tapers to the standard 22 mm/0.87 in diameter at the end. The bike currently uses that traditional ...
5
votes
2answers
2k views

Sliding chain back on hub gear bikes

I got a folding bike 2 months ago and got my first hiccup. It has a 3-speed hub gear and while changing gears today, it seems like the chain slipped off the smaller chainring near the back wheel into ...
4
votes
2answers
1k views

Seat post size on Schwinn Loop

The seat post (and the saddle) got stolen on my Schwinn Loop. I've searched everywhere but I haven't been able to find the diameter/size of the seat post so I can look for a replacement online. Any ...
6
votes
2answers
2k views

Wheel diameter affects speed? Comparing 20in Foldie wheel vs 700C wheel

I am currently riding a Foldie with 20in wheels and also a 700C road bike, and I see that (Subjectively) I can ride ~5kmph faster for the same effort on the road bike. I am curious to know how much of ...
1
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0answers
87 views

Could you advise me on budget folding bikes [closed]

I figured the best way for me to commute to work (3 - 4km) during the summer may be riding a bike. The problem is that I live on the fifth floor and there's no elevator in my building, thus I need ...
5
votes
2answers
374 views

Pannier rack for larger diameter seat post

I have recently purchased an old, second-hand folding (or at least collapsable) bike, a Daewoo shuttle to be precise. In order to use it for commuting, I would like to fit a pannier rack onto it. It ...
1
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0answers
972 views

Folding bike rear derailleur upgrade help

Hey guys, I have the Tern Link B7 7 speed folding bike. It has 11-28T casette (you can see it in the picture) and I want to upgrade it to 14-34T one. So I bought the casette but the stock rear ...
2
votes
3answers
5k views

Folding bike cleaning

I just got a Dahon Mu Uno 2011. I am really happy with the bike, but it's my first folding bike and I have noticed how quick it gets dirty. This is probably due to being closer to the ground than most ...
2
votes
4answers
5k views

Cheapest way to make 8 speed folding bike a good climber

I'm planning to buy an 8 speed Dahon Mariner D8 folding bike (2018 version). I'm going add some bike bags to it and do little bit touring so I need good climbing performance. It's a bit difficult to ...