Questions tagged [folding-bicycle]

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

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1answer
60 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 ...
1
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1answer
91 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. ...
3
votes
1answer
244 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 ...
3
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1answer
801 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 ...
6
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3answers
291 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 ...
1
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3answers
91 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
256 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
546 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 ...
3
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2answers
602 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
143 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 ...
11
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3answers
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 ...
1
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2answers
144 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
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0answers
234 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
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2answers
552 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 ...
3
votes
1answer
589 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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0answers
85 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
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2answers
170 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
533 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 ...
1
vote
4answers
3k 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 ...
1
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4answers
735 views

How do airlines calculate the cost of a Brompton? [closed]

How do airlines calculate what to charge for a Brompton in a bag as checked luggage? I’m flying on Iberia and from their website it looks like they will charge me US$75 to take it from BOS to BCN, ...
5
votes
1answer
186 views

Many punctures on my 18" wheels Strida

I have a Strida with 18" wheels. Unfortunately the places I cycle seem to have lots of glass and I get a new puncture almost every week. I commute in London, so this is really unavoidable. The tires I ...
1
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0answers
675 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 ...
2
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2answers
76 views

Citizen folding bike 3 speed - pedal slipping

My citizen folding 3 speed (gear change in hub). Slips as I pedal it. It appears the worst in gear 1. It does not do it with every revolution, but it slips frequently. How do I fix this problem?
2
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2answers
261 views

Why are folding bike warranties so short?

I am looking for an affordable folding bike with reliable warranty. So far all the bikes I looked at have 2 weeks to 3 months warranty for frame and manufacturers warranty for parts, nothing like 5 ...
3
votes
3answers
640 views

Front fender rubbing on tire

On a 16" folding bike, the front fender slider tends to release over time and increase the distance between the tire and the fender. This is a problem because, as the fender angle changes, the end of ...
2
votes
2answers
3k views

Chainring replacement for folding bike

I have a 20" bike with a single 42T chainring and a 6-speed sprocket. The top speed is pretty low (I'm used to racing bikes), calculated to be ~24kph @90 RPM. I've measured the 5-arm distance between ...
4
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2answers
857 views

Where is the best place to park a folding bike?

This is quite a generalised question, but I'm looking for some principals to follow when looking for parking for my folding bike, that I just bought this morning. I think the ideal situation would be ...
1
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0answers
187 views

Kids trailer (Weber hitch) on a folding bike (Tern Link)

Is it possible to attach a kids trailer (a Thule Chariot) on a folding bike? As I already have 2 bikes with a Weber hitch, I would prefer to use that on the folding bike as well. Currently, I want to ...
0
votes
1answer
144 views

I don't know what year my old bike is [duplicate]

I don't know what year my old bike is.(like is it a 1970's etc). I think it may be a 1970's, or something like that due to research but I'm still not sure. I know it's a French old make, I believe ...
0
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1answer
884 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 ...
1
vote
1answer
317 views

Can someone tell me if my bike is rare?

I have had this bike for a while, it was a gift to my mother from my grandfather. Neither of us have been able to find it online or anything. On the frame it says "Swift-20M Folding Bike Patanta. It ...
2
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2answers
7k views

Shimano MTB and Road Components Compatibility

What chain would be suitable for a drive train that uses a Deore SL-T610 right shifter, Deore RD-T610-SGS derailleur, 105 CS-5700 10-speed cassette (11t-28t), and 105 FC-5700 crankset? According to ...
7
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3answers
2k views

Why do folding bikes usually have MTB components?

Most of the folding bikes I've seen, which are used for urban commuting/recreation, usually have MTB components except for the big chainring. If they're going to be ridden most of the time on paved ...
3
votes
1answer
371 views

What does 'Dahonesque' mean?

I've seen the term Dahonesque used to refer to some folding bikes, what does it mean? What is the connection between "Dahonesque" bikes and the Dahon company?
4
votes
1answer
1k views

V-brake noodle broken: replace immediately? With what?

I realized today that the front brake noodle on my folding bike is most likely broken. It looks normal as long as the wheel faces left or forward. As soon as the wheel faces right, however, the noodle ...
1
vote
0answers
73 views

Will removing extra chainring mess with chain alignment?

I have a folding bike with 1x6 speed. I plan on making it a 1x9. I saw this crank set and cassette, 3x9 speed, for a fairly cheap amount and was thinking of getting them and installing on my bike. If ...
3
votes
1answer
1k views

Milian Pere - Brompton child seat - installation instructions

My Milian Pere - mount to allow attaching a child seat to a Brompton folding bike - arrived in the mail today. This piece of hardware attaches to the Brompton. How do I attach a saddle to it so that ...
0
votes
2answers
899 views

Does more gear inches on a folding bikes work better?

Below are technical details of 2 folding bike that I am considering. Friends, can I safely assume that the option 2 with more gear inches would be a good choice. I am a recreational weekend rider. ...
2
votes
2answers
295 views

Downsize Chainring

I have a Montague Boston full-sized folding bike which ships as a fixie. I've added a Sturmey-Archer 8-Speed hub and now am trying to determine the optimal chainring size. The stock chainring has 42 ...
9
votes
2answers
6k 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
697 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 ...
9
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6answers
4k views

Are folding handlebars a good idea from an engineering standpoint?

A couple of Chinese stores have been selling folding handlebars: At first glance this appears to be a great idea since the handlebar width is one of the reasons that carrying and storing bikes can be ...
3
votes
2answers
4k views

How to safely transport a Brompton by air?

I now own a Brompton folding bike.  (Fortunately, I bought my plane tickets first, as I am also now broke!) Anyone here ever checked one into baggage in a B-bag, and suffer damage?  If so, what parts ...
2
votes
1answer
406 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 ...
2
votes
1answer
499 views

Dahon Folding bike, seat came right off!

I was adjusting the seat on my Dahon Vitesse D8 when the seatpost quick release simply fell off (yellow piece in the images I supply) The piece that bends to stop the seat from moving came off ...
10
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3answers
1k 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 ...
1
vote
2answers
1k views

Can an Alfine 11 replace a Nexus 8?

An online store currently offers the Dahon Curve XL with a Shimano Nexus 8 IGH (The Dahon site shows the Nexus 7 model). I'd like to replace it with an Alfine 11. Does someone know if the OLD (Over ...
2
votes
1answer
171 views

Can I carry my folding bike by using the rack as a handle?

I put a new rack on this bike. The rack says it can hold up to 25 kg which is about 50 pounds. Can I use this rack to grab it and carry it while it is folded? The bike is about 35 pounds. Or this ...
0
votes
6answers
12k 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 ...
3
votes
3answers
921 views

What to do with the white plastic tube in Dahon city vybe c7a?

Just got a Dahon city vybe c7a: It has a white plastic tube at the bottom, what should I do with it? It seems to prevent the seat pole from sliding down.