A single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle.

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38
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17answers
141k views

Why ride a single-speed bike?

A question came up recently about why people ride fixed-gear bikes. I think you can't reasonably answer that question without first understanding why people ride single-speed bikes. So, why do they ...
21
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5answers
16k views

How do I reduce slack in the chain of a single-speed bicycle?

I have a single speed bicycle that has some slack in the chain and threatens to come off. How can I reduce this slack?
18
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11answers
22k views

Looking for Techniques for Riding Uphill on a Single Speed

I commute on a Single Speed (SS) bike about 13mi round trip. Going home is not a problem as the gradients are low and I can climb them. However, going in to work the gradients are much steeper and I ...
15
votes
8answers
11k views

Is having your hands “on the hoods” of drop handlebars safe for braking?

I've never had a bike with drop handlebars, but may get one for commuting in busy London (likely a single-speed with mechanical disc brakes). This would mean riding with my hands mostly on the hoods, ...
15
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2answers
27k views

What is the difference between a “single-speed bike” and a “fixed-gear” bike?

I would have thought that a single gear was the same as a fixed gear, but that does not seem the case. What am I missing? Can a fixed gear bike have more then one gear?
14
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9answers
2k views

Fixie vs Road Bike - the right fixie bike for bunch rides

At our local bunch rides, we're seeing more and more guys out on fixies and they are going at a phenomenal pace. We have a local segment called the "Chicken Run" (and it's flat) and this one guy in an ...
13
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3answers
13k views

Why are single-speed bikes with disc brakes hard to find?

I've been looking around for bikes (decent frame & components), and find that hybrids do have disc brakes (hydraulic), but are never single-speed. While single-speed bikes typically have linear-...
10
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8answers
2k views

Mapping the most gentle route for my single speed

I commute to work on a single-speed road bike, so it's a lot easier if I avoid any steep hills (preferring to cover the same gradient gradually). Taking a look at a map, there are seemingly 3-4 ...
9
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2answers
3k views

Should I Oil A Single Speed Chain?

My question is simple. Do I need to oil a chain on a single speed bike?
7
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3answers
4k views

Is having a disc brake on a single speed bicycle a bad idea?

I talked to a bike shop that sells a lot of fixed/single speed bikes. I asked them if they could sell me a single speed with a disc brake on the front. The guys said no because: It will be hard to ...
7
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5answers
1k views

Regulations regarding Braking redundancy on single speed bikes.

Recently there have been an increase in the number of fixed gear bikes in my (U.S.) city. Increasingly they tend to have one or zero brake levers, justified by their ability to stop with pedal power ...
7
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3answers
15k views

How do I change my single-speed to a fixed gear?

I've been biking on single-speed for a few months and would like to play around with a fixed gear. I've heard of a flip-flop hub, but I'm not sure exactly what it is. And without any fellow bikers - I'...
7
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3answers
1k views

Single speed conversion chain keeps derailing rear cog under load?

The chain on my SS mt bike keeps coming off the rear cog under load (like when I hit a steep hill) it will hold right after it's tightened but after a few hills it starts coming off non-stop. Talked ...
7
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3answers
2k views

Single speed chainline

I have just finished my first fixed gear based on an old Raleigh Rapide frame. But the chain line is off and I hear a crackling/ticking noise when I pedal. The wheels are replace with a gipiemme ...
6
votes
5answers
2k views

Are single-speed bikes better equipped to handle cog/chain wear?

I need to decide between a single-speed and multiple-speed bike. I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
6
votes
4answers
2k views

for a single-speed conversion, is it always necesary to change bottom bracket?

I want to convert my old raleigh, which has 3 chainrings on the front, into a single-speed. Do I have to replace the bottom bracket? I keep hearing conflicting things. Thankyou.
6
votes
3answers
5k views

Fixed-gear vs single-speed for clipless pedals

I currently ride a single-speed bike with a flip-flop hub, both for my daily commute and for pleasure/exercise a couple nights a week. I've decided to pick up my first set of clipless pedals and shoes....
6
votes
2answers
3k views

Can one replace double chainrings with a singlespeed chainring on the original crankset/spider?

I have an 80's Peugeot steel-framed racer that I want to convert to singlespeed/fixed. It has a standard square-taper BB with a double chainring chainset. I can see the chainrings are removable from ...
5
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2answers
10k views

Fixed gear: slipping

I have a single speed bike with a flip-flop hub and recently I decided to try out the fixed side. When testing it out in the car-park I was applying backpressure to brake and found sometimes the ...
5
votes
6answers
5k views

Fixie/Single speed frame information for beginner

I don't want to buy a ready made bike because singlespeed or fixed gear bikes are way expensive due to their popularity. I want to make my own bike, I haven't build a bike from scratch before. I want ...
5
votes
1answer
18k views

What's the easiest way to add gears to my single speed?

I recently bought a single speed - a Charge Plug Racer, and I realise I've made a mistake - too many hills on my commute and I need a smaller gear to help me up the hills. It's pretty hilly in my area....
5
votes
1answer
51 views

Combining a Dynamo hub with a single speed geared hub setup

In theory, can you build a dynamo hub, say a SON, with a fixie/single speed gear, all mounted in the same hub and wheel? I will be building a touring rig with an extra wheel trailer and I would like ...
5
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2answers
113 views

Brand new single speed bike has a skip in the free wheel motion or make a click noise once every rotation of the tire

Just put together a brand new single speed fixie style bike. There is a skipping or catch motion when the bike is upside down (on the seat and handle bars) and I'm pedalling the crank and then stop ...
5
votes
2answers
2k views

How do half link chains perform for long term use?

i was wondering if there is anyone with a Rohloff hub riding half link chains for longer. OK, the hub isn't essential it's just a single speed chain, so experience from anyone who rides more than the ...
5
votes
2answers
138 views

Gears on a singlespeed frame

I'm building a new bike and have ridden a frame which feels (and looks) amazing. I'm dead set on buying it but it's a single speed frame. Ideally I would like gears at the rear. It has a dropout which ...
4
votes
2answers
146 views

Is there a difference between the durability of the chains with 1/8 and 3/32 inch?

I mean, I have a single-speed bike and have chains width 1/8 inch. The other standard I could use on my bike is 3/32 inch wide. Is there a difference in durability?
4
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1answer
844 views

How do I fit this pair of chain tensioners on my single speed bike?

I have these chain tensioners: How do I install them correctly on my single speed bike? Do they go on the inside or outside of the frame? My dropouts look something like this: Apologies if the ...
4
votes
2answers
1k views

Why does the chain tension vary as pedals are turned?

I have a new single-speed bike (after purchase this year, it was unused in a garage for a few months), but as I turn the pedals, the tension in the chain varies noticeably. What should I check, one-...
4
votes
4answers
862 views

Are Allen key or Security Key skewers appropriate for bikes with rear facing horizontal dropouts

I have a surly karate monkey set up as a single speed. The frame has rear facing horizontal dropouts (track style). I don't like quick releases due to potential theft when locking up my bike. Are ...
4
votes
3answers
1k views

BMX gearing - for road / commuting

I have a 2010 Haro Pro Race, which I bought for commuting and general tomfoolery. I commute on it 2 miles a day, and I want to be able to go faster by changing the current single-speed gearing ...
4
votes
3answers
4k views

Rear wheel sliding/slipping on turns?

When I take turns, my rear wheel is sliding to the outside of the turn. I'm riding a 2012 Norco Heart, brand new stock tires, single-speed. I'm not carrying much weight, or taking turns too tightly. ...
4
votes
2answers
1k views

Crank arm snapped: what could have caused it?

Recently, on my single-speed bike, the right crank arm just snapped. Was slowly going up a hill, and all of a sudden it broke in two pieces. I have now exchanged the entire crank & chain set (...
4
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2answers
2k views

Are there tugnuts made to fit forward facing horizontal dropouts?

Are there tugnuts meant to fit forward facing horizontal dropouts such as those on a Surly Cross Check, All City Space Horse, or Salsa Cassaroll which won't block rack and fender bosses and keep wheel ...
4
votes
1answer
579 views

Do chains on single-speed last longer than those on geared bikes?

I have a Jamis Beatnik (love) and ride on the single-speed side of my hub. I'm wondering - derailleurs seem to me like they might 'stress' the chain (even if only slightly) more than single-speed in ...
4
votes
1answer
3k views

What would be the “definitive” formula to calculate chainstay length from sprocket size, chainring size and number of chain links?

Before I started to write this answer, I thoroughly read this question, its answers and comments: How do I calculate the diameter of a chainring from the number of teeth? So, my question tries to ...
4
votes
2answers
713 views

What are early signs of failure in forks/stem/handlebars?

I ride an SE Lager. In the past year, the following components have worn out or broken Front chainring Rear cog Rear freewheel Chain Seat (one of the bars snapped off) Many, many spokes Wheels ...
4
votes
1answer
120 views

Does rebuilding a hub increase efficiency?

I was recently helping a friend build a bike from scratch, and one of the first things he did was to inspect the hub to check that the wheel was rotating smoothly. He was adjusting the cone and lock ...
3
votes
3answers
146 views

What's the proper technique for starting uphill?

I am a beginner cyclist, having not learned how ride a bike as a kid, I've started riding from scratch 3 months ago. Local "bike buddies" have helped a lot. I'd like to ride my bike to work, which is ...
3
votes
1answer
251 views

Can I swap down to a different number of teeth on a chainring

I currently have a single speed front chainring setup with 52 teeth. I can't find a suitable replacement for my chainring so I am wondering if it is possible to get a chainring with a different ...
3
votes
2answers
378 views

Is it ok to use fixed gear threads for a freewheel?

I have a fixed/fixed flip-flop hub and the lockring threads are stripped out on one side. Would I be ok to just thread a single-speed freewheel on that side and use it as a fixed/free hub?
3
votes
3answers
398 views

Single Chainset

just wondering if there is much point in having a tripple chainset on my MTB, I very rarely change gear on the crank and I feel like having a single cog would make the bike lighter and also tidier as ...
3
votes
1answer
121 views

Quick-release chain tug?

Note: this question is about a QR chain tug, not a chain tug for a QR skewer. Just so we're clear. My Google-fu must be weak after too much indulgence over the holidays, or maybe it just plain don't ...
3
votes
3answers
1k views

What rear brake should I get for a Surly Steamroller?

I recently acquired a Surly Steamroller (fixed gear bike). I want to ride is as a single speed for everyday use. I changed out the rear wheel and got one with a flip-flop hub. I'd also like to add a ...
3
votes
4answers
1k views

What to look for when buying a single gear bike?

I'm looking to buy a single gear bicycle. My experience with bikes is very limited, I haven't owned a bike since I was a kid. I have been mountain biking in the Lake District a few times in the last 3 ...
3
votes
2answers
5k views

Suggestion on buying a single speed 29er mountain bike

I'm interested in buying a single speed mountain bike for about $400-600. Can anyone recommend me one? I tried buying this http://www.redlinebicycles.com/bikes/mtb/2012-monocog-29er but it is all ...
3
votes
1answer
242 views

How to select cog for emergency single speed conversion with a broken derailleur

I broke the rear derailleur on my surly karate monkey recently. I had the bike setup 2x9. I decided to try and get home by converting to single speed via trail side repair (made easier by the ...
2
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3answers
3k views

What kind of handlebar should go on a fixie to sell it?

I've seen fixies with mtb handlebars, sawed-off mtb handlebars, drop bars, and bullhorns. The fixie I built has drop bars, but I'm wondering if I should change that if I want to sell it.
2
votes
2answers
177 views

triple chainring with with single speed freewheel

I have a Hero Sprint Axis (with 18T freewheel).I ride mostly on flat roads, but want more top speed and a lower gear for starting from standstill. Is it possible to just install a triple chainring ...
2
votes
3answers
582 views

Single speed bike with child seat?

Are single speed bikes considered good bikes to use with child seats? I wasn't sure if the added weight of a four year old would make a single speed too hard to use. Will be using the bike on ...
2
votes
2answers
800 views

Which is better, single speed or three speed?

Which is better, single speed or three speed? I am 45 and buying an adult trike because I never learned to ride a bike when I was younger. I don't know if I get a single speed or three speed?