28
votes
6answers
38k views

Why is carbon fiber inherently weak? Or is it?

This question got me to thinking: If it were possible for me to use a carbon frame, I would, but the expense and my riding style keep me using steel and aluminum. (I like hauling stuff on racks and I'...
28
votes
10answers
5k views

How much does bike price correspond with maintenance needs?

In this question (with this answer) I asked about a commuter bike, which is to be ridden 40 km every weekday, in the city. And apparently for this scenario I can choose either of two possible kinds of ...
28
votes
9answers
76k views

How do on-road mountain bike speeds translate to road bike speeds?

When cycling on roads on my mountain bike, I generally get around 10-12 miles per hour on a flat surface. What sort of speeds can I expect to get on a road bike?
28
votes
6answers
7k views

What bike+equipment for a long daily urban commute?

In the (distant) past I commuted 6 km (more than half an hour) each way, on a cheap bike with big knobbly tyres. Soon I'll have a new commute: 18 km each way, daily. That's much further than I've ...
28
votes
7answers
7k views

How do I determine the correct position for my bicycle seat?

I have been suffering from IT band problems on my outer knee, which I'm pretty sure were caused by raising my seat height too much. I raised the seat on the advice of a friend who said that a higher ...
28
votes
4answers
6k views

Carrying Pizza on a Bicycle

I have a rear rack. However, I don't really have a good way to carry pizza. Cables? Any big enough bags? I can avoid leaning too much, I'll slow on the turns if I have to.. Edit: Delivery? Not ...
28
votes
5answers
81k 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 ...
28
votes
3answers
8k views

Cycling uphill on a road - sitting or standing on pedals?

When cycling uphill on a road, what are the pros and cons of cycling while standing up on pedal versus sitting on saddle?
28
votes
14answers
123k views

Creaking from cranks/spindle. How to fix?

Recently the cranks on my bike started to creak. I checked with my usual "bike-bible" Park Tool. They recommended dis-assemble, lubricate, re-assemble. So I did that. Remove cranks. Remove spindle. ...
28
votes
5answers
32k views

How often should I lube my chain?

I ride less than 200 miles a week, and I'm at about the 200 mile mark on my new road bike. Most of my riding is done on the road in an urban city, so there is a lot of odd, unnatural debris. My LBS ...
28
votes
2answers
8k views

How to know when to change a chain?

A bike shop employee used a tool he said would check the wear on the chain, and said that it should be changed. He said it took a measurement that meant the chain had expanded, but it is still hard ...
27
votes
12answers
12k views

What's the purpose of cycling gloves?

I haven't cycled for many years already and long ago when I was cycling I didn't pay much attention to equipment. Now I see that many cyclists wear a certain kind of gloves - that only cover the palm ...
27
votes
6answers
6k views

Is it difficult for one person to ride a tandem bike?

About 4 miles away from me, there is a bike hire shop that has tandems. I'm trying to work out the logistics of getting the tandem to my house to pick up the other rider. I'm an experienced cyclist, ...
27
votes
7answers
4k views

How to get a bike from one city to another in the U.S

I need to mail a bike from Portland, Oregon to Austin, Texas. I know that you can get free bike boxes from many bike stores, but how do you pack a bike to ship by mail or to check as baggage on a ...
27
votes
10answers
6k views

What is the hand gesture for “I'm sorry”?

I usually signal "turn left" and "turn right" and "pass me by, take point". However, there is one more situation that happens to me often and I do not know a widely accepted gesture to convey my ...
27
votes
12answers
91k views

Why would one ever buy a 12-25 cassette when an 11-25 is available?

I was looking at purchasing a new cassette and chain. Looking at the available cassettes for SRAM components, there is a big variety of sizes available: 11-23: 11-12-13-14-15-16-17-19-21-23 11-25: ...
27
votes
8answers
4k views

Broken glass on the bicycle path, what to do?

Often I find myself driving with my racing bike on the dedicated bicycle lane in my city. The problem with these bicycle lanes is that there is a lot of broken glass (once every few kilometers). ...
27
votes
2answers
8k views

Why does pedalling backwards not move my bike backwards?

On the BMX bike I have, pedaling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
27
votes
5answers
2k 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 ...
27
votes
4answers
198k views

How can I tell which size chain my bike uses?

After learning how to break a chain and reattach it, and also how to add and remove a master link, I find that I can now do much more in the way of maintenance at home. I'll no longer need to bring my ...
26
votes
14answers
7k views

I wish to get fit, therefore should I have a heavy bike?

A lot of people seem take up cycling to get fit, and they'll talk about how light their bikes are. However, as I understand it, a heavy bike uses more energy to pedal it. Should someone that wished ...
26
votes
6answers
3k views

Why do the front and rear brakes work independently?

Why do bicycles have two individual brake levers that work independently to brake each wheel? I've always used my right brake lever because it is more comfortable to do so and I haven't noticed any ...
26
votes
12answers
133k views

What pressure should I run my Road Bike tyres at?

There's a question for mountain bike tyres but I can't seem to find anything on here for road bikes. At the moment I'm running at around 90psi. Is that too much? too little? Also, am I more likely to ...
26
votes
11answers
16k views

How do I keep my pants/trousers from getting caught in the gears?

I have the unfortunate habit of always getting my jeans stuck in my gears and end up with a nice rip on the seams. I've used those velcro braces to keep the bottom of my pants leg close to my body ...
26
votes
10answers
3k views

Theft deterrents (in addition to locking up a bike)

Besides locking a bike up properly, are there other deterrents against theft (such as engraving) that make a bicycle less attractive to a potential bike thief? UPDATE It was stolen. :-(
26
votes
13answers
80k views

Is it better to have a slightly big or slightly small bike?

I'm planning to buy a Scott Speedster S30 (This is my first road bike) and I'm looking at the size chart. I'm around 177 cm tall, and this fits exactly in between the M and L section. Just wondering, ...
26
votes
6answers
5k views

what makes a good entry level road bike?

I've been riding a mountain bike for years, but I prefer to go longer distances on paved ground, so I think a road bike would be better. When I ask what is a good bike, I don't need brands/models - ...
26
votes
10answers
37k views

What is the best breakfast right before cycling?

Sometimes I feel I will faint when I am cycling in the morning. I usually don't have this problem after lunch. My breakfast is rich in carbohydrates, but maybe I'm eating too much or missing some ...
26
votes
7answers
3k views

Recommendation for panniers used off the bike a lot

I'm looking for panniers. I mostly just potter around town, and am not planning any cycle touring so my main criteria is that the panniers should be easy to carry around off the bike. Built in ...
26
votes
3answers
889 views

Formula for Homemade sports drinks

I am interested in home-made sports drinks. I have used "Hammer Nutrition" products, but I could probably put it together myself, just by using the key ingredients. Anyhow, has anyone done this? And, ...
26
votes
8answers
36k views

Why are higher-end freewheels so much louder when coasting?

I tend to ride relatively modest gear (Tiagra/Ultegra), but when I'm riding near higher-end bikes, I sometimes notice that the clicking sound that comes from their cassette/free-wheel while coasting ...
25
votes
7answers
4k views

How to give away lights to cyclists without lights?

My objective is simple enough... I want people to be safe when out riding. Too often on my way to work I often see cyclists in the dark and rain without lights. When I see them I try and offer them ...
25
votes
9answers
69k views

What is a reasonable speed for long distances on a bike?

I am curious what a reasonable speed to travel on a bike is. Speed will obviously vary based on the conditions in which you are riding. I am planning on taking the GPS out with me this weekend to ...
25
votes
2answers
3k views

What is the optimal cadence?

I have heard that one ought to turn the pedals at 90rpm. However, I do so much slower, especially while standing, and would like to understand the argument behind this number (or any other number). So:...
25
votes
8answers
53k views

What pressure should I run my Mountain Bike tires at?

Should I run my mountain bike at the suggested PSI/Bar on the tire/rim? Or should I run it a bit lower? Or is it more about conditions? Should I run lower if I am running on softer terrain?
25
votes
7answers
4k views

Is there a way to hop up onto a parallel curb?

The scenario: you're riding in a curb-adjacent, paint-only bike lane. You happen to look over your shoulder (or in your mirror) and see a vehicle approaching from behind, either fully in the bike lane,...
25
votes
7answers
3k views

What should I look for in clipless pedals and shoes?

I am just thinking about investing in some clip-in pedals (and presumably shoes). I want to use them mostly on my older road bike but in the future I might want to move them over onto my mountain ...
25
votes
8answers
14k views

Can your rims wear down from too much braking?

I have a question about rims based on information in another question. The person asking states that he doesn't want his rims wearing down. Is this really a problem? Assuming you don't wear the ...
25
votes
8answers
46k views

Pros/Cons of Bar-Ends?

I've always heard "never use barends" and they're banned equipment for some of the local clubs/group rides. A number of people on-line swear by them though. What's up with that!? :-) Why would I ...
25
votes
9answers
2k views

Runny nose while biking

Now that the weather's cold, my nose gets plugged up after about a mile and inevitably some runs down my throat and I have to pull over and spit. I feel like stopping all the time is probably ...
25
votes
5answers
14k views

How do self-adjusting hydraulic disc brakes work?

I have Avid Elixir brakes on my mountain bike. They are the only part of the bike that's a total black box to me. I understand the principle behind disc brakes, and I understand the principle behind ...
25
votes
6answers
729 views

What is a good camera arrangement for city riding?

I would like to have continuous camera coverage while commuting on city streets, in order to have evidence in any collision. I have been experimenting with an ATC3K mounted on the pannier rack, ...
24
votes
16answers
131k views

Converting a MTB to a Road Bike

I just bought a new MTB and am planning to change my previous MTB into a Road Bike. How do I do it? What kind of parts do I need to change or add or remove? I am not looking to for a full ...
24
votes
12answers
18k views

Using a ski helmet for winter biking

I am curious if anyone uses a skiing helmet for winter biking? Would this be safe? Are skiing helmets designed to protect you from the same kind of accidents that you would have on a bike? My ...
24
votes
6answers
4k views

Does drafting cause resistance to the lead rider?

I know that when riding close to another cyclist, I expend less energy to go the same speed. But does the Conservation of Energy "law" mean that the lead cyclist is going to expend more energy to ...
24
votes
9answers
5k views

Arguments for/against bike lanes?

What are the arguments for and against bike lanes? Can anyone summarize the best reasons they're good for and bad for cyclists and automobile drivers? For example, Are there some environments ...
24
votes
10answers
11k views

Do glueless tube patches work as well as glue ones?

Quite a few years ago I tried some glueless patches for repairing my punctured tubes while out on the road, and found that they rarely stayed on for very long. I know that technology has advanced a ...
24
votes
11answers
9k views

Is there such thing as an automatic transmission for bikes?

Has anyone ever designed or manufactured an automatic transmission (or automatic shifter?) for cycling? I imagine such a device would automatically change the gearing to allow the rider to maintain ...
24
votes
14answers
19k views

When should I not use my front brake?

I have only been riding for a short time and I remember when I was a child there was a belief that if you used your front brakes going downhill that you would fly over your handlebars. However, my ...
24
votes
2answers
2k views

Do I really need to replace my helmet every 2-3 years if it hasn't been in a crash?

OK, I know from the top answer here: When or how often should I replace my bike helmet?, that I should buy a new helmet every 2-3 years, even if it hasn't been in a crash and shows no signs of damage. ...

15 30 50 per page