Questions tagged [wheel-truing]

The procedure to align the wheel by tightening and/or loosening the spokes

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28 votes
6 answers
71k views

What are the risks of untrued wheels?

I understand that wheels should be trued for efficiency. Are there any safety risks (or risk of damaging the bike) in using untrued wheels? Are the risks different between wheels untrued left-right ...
Vinko Vrsalovic's user avatar
24 votes
1 answer
10k views

What is a taco?

I figure that "tacoing" is a typo but I can't work out what it should be. What is a taco, or tacoing a wheel? Originally from this question
Criggie's user avatar
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15 votes
4 answers
21k views

Why offset the rear rim to the hub and not the hub in the frame?

I'm currently reading The Bicycle Wheel by Jobst Brandt, and I'm reading all of the issues with offsetting the rear rim toward the drive side of the hub... Asymmetry in a rear wheel built for a ...
Ehryk's user avatar
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5 votes
2 answers
9k views

What does a "dished" wheel mean? How to tighten spokes on such a wheel, without a spoke tension meter?

Should all the rear wheel spokes have equal tension? Or should the spokes from the side of the cassette be tighter, in order to skew to wheel in that direction, and the wheel to be centered in the ...
Vorac's user avatar
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20 votes
8 answers
74k views

Why am I breaking a ridiculous number of spokes?

First, this is a follow up to this: Why does my back wheel keep becoming untrue? (The short version is I bought a used bike a few weeks ago, I broke a spoke on the back wheel, replaced the spoke, ...
James's user avatar
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16 votes
2 answers
2k views

Should spoke tension be measured before or after adding a tube and tire?

I built my first set of wheels and measured the spoke tension when I finished. They were all uniformly tense at about 100kg of force. Once I put the tire on, that measurement went down a little, to ...
parisminton's user avatar
14 votes
4 answers
34k views

Spoke tension is way off but wheel is true, How do I fix this

After truing my front wheel, it seems that it is laterally true. However, the spoke tension seem very uneven, with a few spokes that are very taut next to other spokes which are more loose. If it ...
Benzo's user avatar
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13 votes
3 answers
2k views

Truing stands, go big or stay home?

I'm looking to buy a truing stand. Is the Park TS-8 Home good enough? Or should I pay double the price and get the Park TS-2.2 Pro. I have some experience truing wheels, but never on a nice stand. I ...
dotjoe's user avatar
  • 925
11 votes
4 answers
1k views

Is a spoke tensiometer useful for determining that a wheel is on its way to becoming out-of-true?

Question Is a spoke tensiometer useful for estimating the strength of a wheel and whether it needs preventative truing? One does not need a tool to determine that a wheel that is blatantly out-of-true ...
Sam7919's user avatar
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10 votes
2 answers
14k views

Checking spoke tension without specialized tools

I have laced and trued my first wheel (YAY!) at home, while in the fork. It is fairly true (to the point I used to pay money for), but I am not sure if the spokes are tensioned properly (I guess it is ...
Mladen Jablanović's user avatar
10 votes
1 answer
9k views

What causes a wheel to suddenly go out of true?

This morning I noticed that my wheel was suddenly out of true and rubbing against the brake pad at one point. My first guess was that I had broken a spoke, but all of them seem to be intact. A few ...
amcnabb's user avatar
  • 7,095
9 votes
2 answers
2k views

Why is my wheel going out of true after I mount and inflate the tire?

I’m wrapping up my very first wheel build (rear wheel), and I noticed that the wheel is going out of true after I installed the tire. Before installing the tire, I had the wheel trued pretty well (...
MaplePanda's user avatar
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7 votes
3 answers
6k views

What tolerances should I use for spoke tension when building a wheel

I am replacing the rim on my rear wheel with a new one. I've brought up the tension on the spokes close to the final tension by truing / increasing tension / truing / increasing tension. I've got ...
Benzo's user avatar
  • 18.2k
7 votes
2 answers
1k views

How to remove spoke twist

I just built my first wheel following the excellent ebook from Roger Musson. The build turned out great, but as hard as I tried, I couldn't master the technique to eliminate the spoke twist. I've ...
Ben Mills's user avatar
  • 509
5 votes
5 answers
11k views

Which size spoke tool. Currently size 14

I have this spoke tool. The number I use on this tool is 14. I use it on a hybrid mountain bike. . I want to get one which is easier to use but I do not know which size. Here are the available ...
Valamas's user avatar
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4 votes
2 answers
5k views

Is there a special technique for truing flat spoked wheels?

I have a set of Shimano R560's that have flat, bladed spokes (16 front & 20 rear, from memory). They are a little worse for wear after a couple of years and at least 10,000 kms. My usual LBS has ...
Anthony K's user avatar
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4 votes
3 answers
8k views

Why does my back wheel keep becoming untrue?

So I broke a spoke a week ago, and when I put a new spoke in you know I trued it. Now, a week later, the bike feels like a kayak, because the back wheel is not very straight. Any idea why this would ...
James's user avatar
  • 671
4 votes
3 answers
3k views

New Park Tool truing stand doesn't seem to be calibrated, calibration seems off out of box

I recently purchased a Park Tool TS-2.2 truing stand, however I feel that the calibration is off. I have a wheel that was recently trued at my LBS and there is a significant gap between the rim and ...
Eric Swiggum's user avatar
1 vote
1 answer
4k views

What could cause an inflated tire to be "untrue" on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...
Giovanni De Gaetano's user avatar
1 vote
3 answers
668 views

Replacing multiple spokes (9/36): more like replacing spokes or rebuilding a wheel?

I've never built a wheel and while I'd like to learn one day I'm not going to learn on this one. On Saturday my rear wheel ate my derailleur (and bent the steel hanger in the process)*. No spokes ...
Chris H's user avatar
  • 58.9k