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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7
votes
2answers
1k 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
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1answer
81 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 ...
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2answers
51 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, ...
6
votes
2answers
442 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-...
1
vote
1answer
64 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 ...
2
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1answer
74 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
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2answers
89 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
2answers
188 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 ...
2
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2answers
341 views

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 ...
3
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2answers
147 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 ...
2
votes
1answer
56 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: ...
1
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1answer
59 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 ...
1
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2answers
144 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 ...
0
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2answers
170 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
1answer
150 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
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1answer
55 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
2answers
270 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.
7
votes
5answers
8k 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
1answer
168 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 ...
1
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1answer
198 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.
2
votes
2answers
85 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?
4
votes
2answers
395 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 ...
1
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1answer
112 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 ...
1
vote
1answer
159 views

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.
2
votes
1answer
260 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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votes
1answer
332 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
1answer
400 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 ...
1
vote
1answer
673 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/...
2
votes
2answers
310 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
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1answer
65 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,...
2
votes
2answers
715 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 ...
1
vote
3answers
97 views

Budget brands for gears in India [closed]

A total newbie here. I'm planning to upgrade a single speed to geared one road/tour bike. I haven't decided the gear system though. I guess I'll decide that upon availability of the parts. Well, I ...
2
votes
1answer
470 views

Is it safe to bolt my single-speed chainring to the other side of the crank?

Background: I converted a 21-speed bicycle to single-speed by removing the derailleurs and installing a single-speed freewheel and crankset. The chainline is no longer straight, and I would like to ...
5
votes
1answer
103 views

Changing my crank on a track bike and it wont turn

I bought a new crank for my bike, when fitted tight the crank is stiff to turn as I think it is rubbing against the bottom bracket housing. Any advice on what to do, have I bought the wrong crank?
1
vote
2answers
178 views

Easiest bicycle to assemble? Single speed?

I have an XC MTB, a road bike and a trainer, which I maintain. I also do maintenance for the kids and wife's bikes. Today I replaced a cassette in my road bike - something that required special tools ...
-5
votes
3answers
5k views

Is a Single Speed bike faster than a Geared bike? [closed]

For a broad spectrum of riding my answer is Yes. Here's my logic. There are 5 major principals to consider in no particular order. Air resistance, drag, weight, rolling resistance (centrifugal or ...
2
votes
1answer
308 views

Pinion gearbox + Gates belt drive - what are my options for 36-hole rear hubs?

I currently have a touring bike with 36 spokes front and back, in the front with a SON 28, in the back with a Shimano Deore XT hub. I plan to switch my frame and I'm currently considering switching to ...
1
vote
3answers
382 views

How different it is to ride with same gear ratio with 26“ and 28”

Do you know how much of a difference it is to ride with specific gear ratio (example 48/16) with 28" wheels and 26" wheels?
1
vote
2answers
124 views

Does a singlspeed conversion kit feel different than a freewheel?

I'm trying to get a steel singlespeed and I find it quite hard to find something in the market that is light and with brakes. Will one notice any difference if, for example, one gets a Cinelli ...
1
vote
2answers
2k views

Single Speed / Fixie - Chain tension / uneven tension

I recently changed my chain and noticed it has uneven tension (probably my chain ring being out of rounds). I followed Parktool's video and set the tightest spot to have about 0.25 inch movement up ...
16
votes
4answers
4k views

10 gears to singlespeed

My second hand Hercules bicycle came with 10 gears. Two gears in the front and five in the back. The gearshift does not work well and since I cycle in the same gear all the time anyway, I consider ...
0
votes
2answers
669 views

Chain tensioner (or tug) for single speed QR dirt jump bike?

Recently i have started to learn no foots on dirt jumps, but i have noticed my cranks can sometimes spin in the air leading to some dodgey situations. I believe having more tight chain would solve or ...
2
votes
1answer
100 views

Is the second decimal important in the ring/cog ratio?

The ring of my single speed is starting to wear out now that I'm approaching the 10k km and I'm planning to do an upgrade. Most of the crank sets that I find interesting only come in 48–51 teeth. I'...
2
votes
2answers
1k views

Minimum space between square taper crank and bottom bracket

I upgraded to a new square taper crankset on a single-speed drivetrain and now the gap between my crank and the bottom bracket is bigger. That's because the cranks taper shape is different from the ...
1
vote
2answers
813 views

Chain skipping on new single speed freewheeel

I just got a Colnago Master Arabesque single speed conversion from a friend who moved abroad. It's set up as a fixie on a flip flop Hub. I flipped the wheel and installed a new single speed 1/8 ...
1
vote
1answer
114 views

Modifying SKS Race Blade Long for solid axle hubs

I have a set of SKS Race Blade Long fenders. They have quick release attachments that fit around QR skewers. Unfortunately, I'd like to set these fenders up on my single speed commuter which has track ...
0
votes
2answers
856 views

Rim brake on front and disk brake on rear

Good day guys. I would like to know... I've purchased a old fixed gear bike, and i converted it to a freewheel. I've managed to install a rim brake on front. I was going to install ine on the back ...
3
votes
1answer
1k views

How many spokes for a single speed road bike?

I want to buy a handbuilt wheelset from a local bike shop and I am in front of the decision of how many spokes I want to put on front and rear wheel. The application of the wheelset is a singlespeed ...
5
votes
2answers
2k views

Ideal distance between chainring and chain stay

I am building a single speed bicycle, and I have most of the drivetrain parts: Rear hub 18T rear cog (40-40.5mm ideal rear chainline -- wheel undished) 1/8" chain crankset with 40T chainring I used ...
1
vote
1answer
457 views

Should I get a smaller chainring or bigger cog?

I built a single speed bike about a year ago, and am starting to change out parts to make it more comfortable for me. The first thing I'm wanting to change is the gear inches, which I didn't give much ...