Questions tagged [single-speed]

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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4 answers
901 views

Are there single speed electric bikes already?

Let's see how far the trend of motorcycle-disguised-as-bicycle is at. Electric drive is penetrating most market segments. The front derailleur is dead. I believe all types of electric motors have an ...
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2 answers
180 views

I need advice about what bike to buy for daily commuting

I have route to do daily to go to work. Could you recommend a model of bike available in France for less than 350€. My physical condition is not too bad. I am athletic. Maybe a single speed can be a ...
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1 vote
2 answers
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BLB Viper - Is this frame OK?

I want to start building a fixed speed bike and think about having the BLB Viper frame set. Is it a good frame to start with or would you recommend to get a different ONE, like a Leader frame or a ...
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1 vote
1 answer
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Crankset for single-speed vs racing bicycle

What is the difference between a crankset for singlespeed bikes and one for racing bikes? If we assume that the teeth count is the same, would the SRAM S-Series be better than the SRAM Rival 1? ...
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1 vote
2 answers
249 views

How to calculate what BB spindle length I need for a mystery crankset?

I'm building up a bike frame with spare/junk components to be my beater bike for commuting. It will be a single speed, chainline on my rear wheel is 42mm. I have a crank set to use, but I'm not sure ...
9 votes
4 answers
3k views

How am I able to simulate gears on my single speed?

Sometime ago, I bought a cheap bike from eBay for my daily commutes which turned out to be a single-speed bike. It works fine but I am curious as to how I am able to have a shifter that simulates gear ...
13 votes
8 answers
5k views

Can I convert a 1x9 speed bicycle to single speed by putting 9 identical cogs into cassette?

As the cogs in cassette seem separable, can it be converted into single speed by just putting the 9 identical cogs of the gear you like and retaining the rest of the gear mechanism as it was? Such a ...
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1 vote
4 answers
377 views

18 Speed Mountain Bike Single Speed Conversion

As of right now I currently have an Apollo 18 speed freewheel bike (3 Front and 6 Rear) I bought from Halfords but I have decided that I want to convert it into a single speed bike. This is because I ...
5 votes
1 answer
446 views

Can I use fiberfix tape to reinforce this shoddy weld?

I recently built a hi-ten steel bike and I just realized that it had a large hole in one of the welds near the seat tube and the top tube. Tried taking it back to the shop that shipped me the frame ...
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1 answer
149 views

Rear wheel not aligned with frame but cog and crank is aligned

My bike was previously a 26er mtb 3x7speed and I converted it now to be a single speed freewheel bike. Is the bike safe to use if the rear wheel is not straight to the frame? It is closer to the drive ...
0 votes
1 answer
95 views

Is my bike safe to use if cogs and crank is not that aligned?

Hey guys is it fine if my freewheel bike which is single speed is not that straight with its chain line, because my cogs and crank arent that straight but it is also not that far, im thinking if it is ...
0 votes
1 answer
338 views

How do I use a freewheel as a single-speed?

Can I disassemble a free wheel sprocket and use it as a single speed sprocket or I have to buy a single speed sprocket?
0 votes
2 answers
388 views

Fixed gear bike chain alignment

I have recently converted my old early 90s 18 speed Peugeot road bike to a fixed gear. The chain is clicking when pedalling and is out of line by about 10mm as you can see in the photo. The rear cog ...
3 votes
1 answer
104 views

Chain keeps falling off chainring

I picked up an old Raleigh Sirocco from the 1980s ish and am attempting to convert it to single speed. I thought it was finished, but when taking it out for its first ride, the chain kept falling off ...
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2 votes
1 answer
724 views

Rear dropout with adjustments screws of a single speed bicycle

I have got a single speed bicycle (Pure Fix Original Series) and I need to remove the rear wheel to the replace the punctured tube. The rear dropout has adjustment screws (I am not sure if this is the ...
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1 vote
2 answers
142 views

Upgrading cycle from single to multi-speed

I own a single speed MTB . I'm planning to upgrade it to multi speed. As I'm on a tight budget, should I just upgrade my rear to multi speed or upgrade both front and rear. Is it a good idea to ...
8 votes
3 answers
2k views

Convert single speed, steel framed, vintage track bike to geared

Is there any way to convert a steel framed single speed vintage track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more ...
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1 vote
2 answers
529 views

Convert track bike to geared

Is there any way to convert a track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more hills where I am now living so would ...
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0 votes
2 answers
68 views

Need help with gears and wheel alignment

i have an aluminium frame single speed. I wanted to know is it possible to add gears to it (correctly). I saw same model with gears installed but the rear wheel was not in line with front wheel and ...
7 votes
3 answers
2k views

Setting up chain tension on a fixed gear with road bike frame

I got a road bike frame with vertical drops, so can't set the tension up. Tried to remove one link but then the chain becomes too short. My next idea was to change the front sprocket, currently have ...
0 votes
1 answer
587 views

Conversion to single speed: crankset specs?

I picked up a cheap frame recently which came with bottom bracket, 3x speed chainring, crank arms and pedals, handlebars, forks, and front & rear rim brakes. I've removed the chainring and right ...
0 votes
2 answers
174 views

Can I use an 1/8" chain on an old 8speed I'm converting to single speed?

I am in the process of converting an old road bike of mine into a single speed. I bought new crank arms, rear wheel (with a conversion kit), and a rear derailleur. Do I need to use a 3/32" chain, ...
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6 votes
2 answers
791 views

How do I properly torque a track cog lockring?

I see a torque rating is stamped onto a lot of track cog lock rings: However, I cannot find a way to use a torque wrench when tightening the lock ring. All the tools I've found, like Park Tool's HCW-...
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1 vote
1 answer
2k views

BB spindle length standard for single speed bike?

Is there a common spindle length for typical fixie/single speed bikes? Namely a bike with: a 68 mm BSA bottom bracket shell a square taper bottom bracket cartridge bearing 120 mm dropout distance ...
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2 votes
1 answer
416 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, ...
3 votes
2 answers
346 views

Bottom bracket needing repacement more often in a single speed bike

I used to live in quite a hilly area but managed well with a single speed Mango aluminium bike on most of these hills. I wanted to know if it is possible that due to extra pressure being exerted on ...
6 votes
2 answers
303 views

How I can remove this freewheel (without "destroying" it)?

How I can remove this freewheel (without "destructing" it) ? By "destructive removal" I mean this: https://www.parktool.com/blog/repair-help/freewheel-destructive-removal P.S. I ...
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2 votes
2 answers
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single speed freewheel Shimano SF MX 30 vs Shimano SF-1200

What is the difference between: single speed freewheel Shimano SF MX 30 and Shimano SF-1200 ? Why those freewheels donesn't appear on shimano website? P.S. From the pictures it's clear that the ...
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3 votes
2 answers
424 views

Freewheel threading on Miche flip-flop hub

I'm currently building a parts list for a new single-speed bike. In the process, I came across a nice looking flip-flop hub from Miche: The "Primato Pista/Strada" I figured that adding the fixed ...
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2 votes
1 answer
293 views

Converting my Raleigh Equipe to a single speed: Can I use a conversion kit?

I am a complete bike novice and am trying to convert my raleigh equipe road bike into a single speed (after a plastic bag blew out my rear derraileur). I have purchased a single speed conversion kit: ...
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1 answer
251 views

Converting Surly new hubs from 130mm to 120mm

Can I convert 130mm Surly New hub from 130mm to 120mm by simply replacing with a 120mm axle? I have a 130mm hub that I'm running on a sscx bike, and want to use the wheel for a track bike with 120mm ...
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1 vote
2 answers
690 views

Single speed chain alignment

I have a seasoned 26" Dirt Jump bike where the time has come to replace the bottom bracket. The bike currently has Profile BMX cranks, with a single speed rear wheel (not an MTB freehub). Current BB ...
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2 answers
700 views

Need help finding compatible bottom bracket and crank set for track bike

My bike is this: https://www.santafixie.co.uk/derail-black-fixed-bike.html The BB measurements on the link are CH55 BSA 68/107. I know literally bare minimum about bottom brackets and crank sets. I ...
5 votes
1 answer
230 views

Chain slipping off from singlespeed rear cog

After I have worn out the cogs and chain to the point where my chain tensioner couldn't keep up anymore, I have replaced my drive train pieces, the axle and spacer are still the same. So I went from: ...
1 vote
1 answer
108 views

Need help choosing my chainring and size whilst moving from 3x7 to 1x7

If have a 6/7 speed cassette and I’m thinking of changing to single-speed in my front chainring, what chainring size would anyone recommend?
1 vote
2 answers
1k views

What is the difference between 1/2'' x 1/8'' and 1/8'' chain size for single speed?

I get the difference between 1/8'' and 3/32'', but does this 1/2'' really make a difference, or is it the same thing? I want to use the chain for track cycling.
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7 votes
5 answers
9k views

Used WD-40 on headset and now it loosens daily

I've used WD-40 on my bike's headset as it produced some cracking noises. The result is a headset that gets loose after every ride. I've tried to use a wrench to tighten it, alas, it went loose after ...
2 votes
1 answer
583 views

Are sealed bearings equal to cartridge bearings in single speed hubs?

Single speed hubs are often speced with sealed bearings. In my brief market search I haven't seen any hubs with cartridge bearings in the specifications. Are sealed bearings used synonymous with ...
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1 vote
1 answer
622 views

What is the difference between KMC 410Z vs 710 chain?

What is the difference between KMC 410Z VS KMC 710 chain? For use in single-speed or fixed gear bike.
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2 votes
2 answers
162 views

How is the Bikight aluminium chain tensioner installed?

Bikight tensioner Is it perhaps installed next to the wheel, in the inner part of the frame?
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4 votes
2 answers
435 views

Chain on singlespeed tight, pedals won't turn backwards very freely - is this an issue?

A well-known and well regarded shop fixed something on my converted single-speed bicycle. On the ride back from the shop, the pedaling felt "different", and I noticed that the pedals will stop after ...
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1 vote
1 answer
303 views

Regular front road wheel for a single speed bike

I recently crashed my Kona Paddy Wagon ruining the front wheel completely. All the single-speed/fixed-wheel dedicated wheels I was able to find are crap, and I don't want to spend too much time ...
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1 vote
1 answer
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Is there a special 3/32" chain ring for single speed/fixed gear bikes?

Am I able to use what's called an "Outer" chain ring in a single speed application? Something like this https://www.modernbike.com/sugino-48t-110mm-standard-chainring Thank you.
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2 votes
1 answer
691 views

How to fit single speed tensioner onto bike?

I have recently replaced my old Gusset Bachelor SS tensioner for a new Gusset sprung tensioner with a jockey wheel (https://www.gussetcomponents.com/shop/chains-and-chain-devices/squire-ss-tensioner/)....
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1 answer
2k views

Single speed chain wide - is this OK?

The chain is wider than cog, it's safe to ride, and doesn't fall over, it's staying properly, chain is 1/2 inch pitch x 1/8, and my cog is 1/2 pitch x 3/32. Is it okay that cog is thinner than the ...
4 votes
1 answer
898 views

Can I use slider dropouts on my track dropouts?

My bike's dropout/fork-end basically look like this: and I wonder if I could use something like this to convert it into a vertical dropout with a hanger and disc caliper mount: I'll only be using ...
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1 vote
1 answer
2k views

Is a 22 inch road bike appropriate for a 5'9" person? [closed]

I am admittedly a beginner and looking to purchase a used single speed bike just to casually use around the neighborhood. I came across this listing: https://nashville.craigslist.org/bik/d/...
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2 votes
2 answers
940 views

Axle is too short

I recently bought a second hand bike which was originally sold with a flip flop hub to fix up as a project. The person I bought it from gave me a rear wheel with a geared hub. However, when I put ...
1 vote
1 answer
71 views

Chain prototype

For my thesis, I'm making a measurement prototype ruler with a bicycle chain. Check the image At the moment there is a worn bicycle chain in the white paper from a bike with a derailleur. The purpose,...
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2 votes
2 answers
789 views

What is causing the chain skip after chain replacement?

I have a road bike that was converted to single speed with a single sprocket on the read wheel and a single chainring. I had a 3/32 chain which worked perfectly fine. However after many kms and ...
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