The big round things your bike rolls on. Rims, spokes, hubs, etc. If it's all about the rubber part, "tire" tag is better.

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38
votes
7answers
20k views

Can I ride home with a broken spoke?

I noticed a wobble in my back wheel while commuting in this morning. Broken spoke. Is this a problem that I should take care of before my 7 mile commute home, or can I pick up a spoke and repair it at ...
25
votes
5answers
1k views

Why are tubeless tyres popular in mountain biking?

I've noticed that a lot of people use or promote tubeless tyres for mountain biking. Why is this? It seems a lot of hassle to get a special rim conversion kit and goop to put in the tyre. As far as I ...
20
votes
5answers
1k views

Spokes keep breaking - bad hub or bad build?

Background information A bit of background information (I'll try keep it brief): Last year I bought an old but unused bike, 5 speeds with internal gearing. Apparently the shop bought a lot of bikes ...
19
votes
5answers
35k views

How do I separate disc brake pads after accidentally pulling the front brake while the wheel is off?

The title says it all really. I've taken the front wheel off my mountain bike to get it in my car. When I get it out and try and put the front wheel back on the space between the brake pads isn't wide ...
16
votes
8answers
8k views

In which orientation should a front wheel be installed?

A front wheel with a quick release mechanism can be installed in two orientations: the lever on the left, or the lever on the right. Does it matter in which orientation it's installed? If so, would ...
16
votes
5answers
523 views

How do I align a wheel?

I broke a couple of spokes on my wheel, now it's all bent, how can I align it back again? What kind of tools do I need to do a good job?
14
votes
2answers
7k views

Is it really OK to hang a bicycle by the rear wheel from a hook?

Does it not distort the wheel to have the weight of the bike hanging from just that one spot? Is it OK for any kind of wheel? I have nicer race-type wheels on mine.
13
votes
5answers
4k views

Rear wheel slipping out under load

My commuting/cyclocross bike (a Surly Crosscheck) has a problem. If I tighten the quick release skewer to a normal level, sort of firm to close it, then if I step on the pedals hard at some point, ...
13
votes
10answers
13k views

Protecting quick-release seats and wheels from theft

I have to say I am not a fan of quick-release, especially for seats. I do not need to raise and lower my seat nearly enough (almost never) to justify the annoyance of having to take my seat with me or ...
13
votes
5answers
2k views

What should I look for in choosing wheels for a road bike?

I have a commuting/touring bike and my riding is a good bit of commuting mixed with weekend rides of up to 50 miles. In my lame knowledge, I'll assume that lighter wheels can be had when you spend ...
12
votes
6answers
8k views

How do I know which size and type of rim strip to buy?

I have a Gary Fisher mountain bike. I was changing the tube in my rear tire. The rim strip (rubber lining around the wheel to protect the tube from the spokes) had moved a bit so I went to adjust it ...
12
votes
2answers
2k views

Why would one put tennis balls in the spokes?

I see this once in a great while around the city: two or more tennis balls stuck inside the spokes, right up against the hub. It usually seems to be on older-looking mountain bike commuter/beater ...
12
votes
4answers
6k views

700 wheels on bike made for 27" wheels

I just bought an older road bike with 27" wheels. I am curious if I can mount 700 wheels (typical road size) on it. Has anyone ever done this? The main reason I am interested in doing this is so ...
11
votes
4answers
7k views

29" wheels - what advantage do they provide over smaller wheels?

I was wondering what advantages 29" wheels give. From what I understand they are well suited to mountain biking. Are they any use on road bikes perhaps?
11
votes
5answers
2k views

What are the downsides of a twisted wheel?

After a collision where somebody fell on me, my front wheel is twisted to the point that it slightly touches the brake once per revolution causing a soft screech. Logistically, I can't get to the shop ...
11
votes
5answers
2k views

What is a good rear wheel for a heavy load?

I'm a heavy man, and I find I'm breaking spokes on my rear wheel fairly often. Is there a particular wheel I can buy or anything I can do to prevent this? Edit: I was having the problem with a ...
11
votes
5answers
8k 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 ...
11
votes
3answers
603 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 ...
11
votes
3answers
684 views

What are the advantages of flat spoked wheels?

Following on from my earlier question about truing them, I was wondering if anybody could point out the advantages (and perhaps disadvantages) of flat spoked wheels?
11
votes
3answers
3k views

How do I calculate spoke length?

I have lots of bikes and lots of interesting wheel sizes, I would like to know how to calculate the right spoke lengths for a wheel. I appreciate that there are probably rather a lot of variables but ...
10
votes
5answers
20k views

What are the differences between “clincher” and “tubular” tires?

What are the differences between "clincher" and "tubular" tires? I'm just a casual road cyclist at this point and don't put any more than 200 miles in over the course of the week. I'm looking to ...
10
votes
4answers
15k views

Can I just change straightforward wheel axles to QR skewers?

I've just bought a second hand road bike which doesn't have Quick Release Skewers. Can I just buy a set of QR Skewers and fit them? Are they a standard size? Are there any gotchas waiting to bite ...
9
votes
1answer
421 views

What is a thru axle?

I have seen thru axles mentioned in various places but never explained or even described. I found a post on another site where someone asked the same question and got lots of debate in response, but ...
9
votes
3answers
384 views

What happened? tube blew the rim?

Had a puncture today, removed the tube, patched it and made it home. Obviously since I only have a mini-pump I could not inflate it to my 8 bar usual pressure. When home, I took the wheel upstairs to ...
9
votes
1answer
718 views

What is the effect of adding weight to a wheel vs adding it to the frame?

There are claims often made that, eg, "An ounce of weight at the rims is like adding 7 ounces of frame weight." This is "common knowledge", but a few of us are skeptical, and our crude attempts at ...
9
votes
2answers
619 views

Will a bike stand that holds one wheel damage my bike?

I have a similar bike stand to this at home: I'm happy putting my wife's and my commuter in it but worried that it will damage the wheels of my XC bike if left in there for long periods. Can wheels ...
8
votes
6answers
891 views

My front wheel steers right. How do I solve it?

Some time ago I had a little accident with my bike. With the accident the front wheel got unaligned from the handlebar. I simply put it in the right position holding the wheel with my legs and ...
8
votes
3answers
498 views

What is the purpose of the rubber stripe between the wheel and the air chamber?

I had a flat tire and replaced the air chamber. While doing that the rubber stripe that stands between the wheel and the air chamber ripped and it's no longer a ring. It´s hard to put it correctly and ...
8
votes
5answers
6k views

How can I tell if a rim is bent or if the wheel is just out of true?

How can I tell if a rim is bent or if the wheel is just out of true?
8
votes
3answers
846 views

Do road tubeless tyres lose air faster?

I just replaced my rear wheel with a road tubeless (Bontrager RL TLR). Was lucky to have the bike shop installed the tyre, took two blokes to put it on the rim. Anyway, my second ride was a couple of ...
8
votes
2answers
1k views

What is the purpose of the plastic disk between the cassette and the rear wheel?

There's a plastic disc between the cassette and rear wheel on my bicycle. It doesn't seem to have any effect on the actual drivetrain; but I've seen it on a number of bicycles. What is it for?
8
votes
3answers
2k views

Why are the rear wheels of Time Trial Bikes disc shaped rather than having spokes?

Won't having disk shaped wheels cause more wind resistance with crosswinds? What are the benefits of having these sort of wheels?
8
votes
5answers
1k views

Weight of disc brakes

People say (for example here) that disc brakes are relatively heavy, giving this as a reason for not using them. How much heavier than rim brakes are disc brakes? Is the extra heaviness in the ...
8
votes
4answers
5k views

Difference between 650c and 700c wheels?

I've seen triathalon setups with either 650c or 700c wheels. What are the pros and cons behind both wheel sizes?
8
votes
2answers
4k views

Spokes loose on a new wheel, is this expected or a bad build?

So a couple of months ago, I bought a new front wheel from the local bike shop. It's a 28 spoke wheel, rims are the DT Swiss RR465 and the hub is a 240s. I put 500-600 km on it and noticed a rattle ...
7
votes
4answers
3k views

Are aerodynamic rims worth additional weight?

I was under the impression that reducing the weight of your wheels is important. However, I'm noticing that many of the extremely high-end aerodynamic rims are actually heavier than cheaper rims by ...
7
votes
6answers
5k views

Does a 700c wheel help you go faster?

Someone suggested going with a 700c wheel to go faster, and after thinking about it I am wondering if a larger wheel actually does go faster. I understand that your gears will cause a wheel to rotate ...
7
votes
3answers
2k views

Are deep rims more durable for a heavy rider?

Since I weigh quite a lot (~115kg), and ride on bad roads with many holes and cracks, I am looking for rims that would be able to cope with bad conditions without getting out of true or breaking. My ...
7
votes
1answer
2k views

Touching the front wheel with my foot when turning

My girlfriend got a new city bike today and she touches the front wheel every time she has to make a hard turn. Is there anyway to avoid this besides replacing the whole bike? LATER EDIT: I think I ...
7
votes
3answers
5k views

When should a wheel be replaced?

I an not talking about upgrading. How do you know when to buy new wheels because the other ones have worn out? How do you tell a wheel is worn out? I can always true a wheel back to true. And nothing ...
7
votes
1answer
1k views

If the chain/cog no longer drives the wheel, can this be fixed?

Suddenly (without anything sounding like it was broken) the chain no longer turns the back wheel. The cogged part of the wheel is turned by the chain but this doesn't turn the wheel. Is this ...
7
votes
4answers
750 views

Wheel rigidity, is it noticeable and should I care about it?

I have a friend who shopped for Aero wheels recently and I heard a lot of talk about how this wheel was more rigid than that wheel and so on. While I understand that a more rigid wheel should have ...
7
votes
3answers
4k views

What is the widest tyre that you can get away with, on a standard road bike?

In general, what is the widest tyre that you can get away with, on a standard road bike (with dual pivot brakes)? Edit: I have a Campagnolo Eurus wheelset.
7
votes
2answers
2k 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 ...
7
votes
2answers
504 views

Are 26" racing wheels still being produced?

It seems like all new road and triathlon bicycles are being made with 28" wheels and I've found it almost impossible to get 26" wheels for and older tri bike. Are they still being manufactured?
7
votes
2answers
754 views

Larger wheels - easier to turn?

I've seen it mentioned that larger wheels are easier to turn - is that actually the case? How would that work? The way I see it, larger wheels will have more angular momentum, meaning they'll take ...
6
votes
5answers
10k views

What is the maximum weight that “normal” racing wheels can withstand?

I was recently in a bike-shop where the proprietor told me that the "normal" racing wheels of the more advanced bikes are normally only rated to carry 85kg. For example, he mentioned the Bianchi ...
6
votes
5answers
847 views

Is 650b a better platform than 26“ or 29”?

I have seen more and more reference to the 650b (27.5") mtb wheel size. Whilst I don't see any need for a new standard, does anyone know of any benefit to have a 27.5" wheel over a 26" or 29"? While ...
6
votes
7answers
2k views

What's the benefit of a titanium skewer?

What's the benefit of using titanium skewer beside the fact that it's light? Is it strong enough to hold my weight?
6
votes
4answers
2k views

How effective is checking spoke tension by ear?

Sheldon Brown's Wheelbuilding page links to the article: Check Spoke Tension by Ear. Obviously a tensiometer would be ideal, but Sheldon suggests that checking spoke tension by ear is a reasonable ...