27
votes
10answers
5k 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
8answers
1k views

About 20-30 people bike to where I work. What equipment/supplies should we have on hand?

I work in San Francisco, and I'd estimate about 20-30 people bike to where I work. We mostly have a mix of road bikes and hybrids with a couple commuter bikes and mountain bikes too. Currently, the ...
27
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?
27
votes
13answers
112k 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. ...
27
votes
2answers
7k 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 ...
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
124k 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
12answers
83k 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: ...
26
votes
10answers
15k 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
9answers
70k 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?
26
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). ...
26
votes
2answers
7k 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?
26
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 ...
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 - ...
25
votes
12answers
10k 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 ...
25
votes
8answers
45k 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 ...
25
votes
13answers
71k 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, ...
25
votes
8answers
13k 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
39k 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
10answers
36k 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 ...
25
votes
6answers
710 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, ...
25
votes
3answers
12k views

Does the chain direction make a difference?

Recently, I helped a friend install a new chain on her road bike, and for the first time read the instructions for installing one. It seems to claim that there's a forward direction, and that it ...
24
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 ...
24
votes
16answers
121k 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
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). ...
24
votes
12answers
17k 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
9answers
16k views

How to achieve an always clean chain

My chain and cogs always look very dirty as the oil attracts dirt. It is a constant problem as you can't fully avoid stains on your trousers and hands. Also, that looks ugly and I believe it wears the ...
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
2k 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. :-(
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. ...
24
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 ...
24
votes
7answers
29k views

Am I too heavy for my road bike tires?

I am wondering if bike tires have a weight limit. I have to admit, I am a large guy at 6'3" 250lb (190 cm, 113,5 kg), and I have always had issues with my road bike's tires getting pinch flats. I ...
24
votes
5answers
6k views

Getting over a downhill phobia

I've been riding seriously/regularly for about a year now, although like the majority of the worlds population I've been on a bike since I was a kid. When I was first starting out I had no real ...
24
votes
10answers
46k views

Why don't road bikes use v-brakes?

In my experience, linear pull brakes (v-brakes) have more stopping power than other types of cantilever brakes (let the flames start ;). Modern road bikes always come fitted with dual pivot brakes. ...
24
votes
4answers
181k 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 ...
24
votes
6answers
2k views

Can you shift both the front and back gears simultanously?

Is it advisable to shift both the front and back gear simultaneously? Can this cause any damage?
24
votes
4answers
18k views

How can you recognise a quality steel frame?

I'm looking to buy/build a road bike and I would like it to: last 100 years have a low environmental cost As I'm not interested in shedding grams (a diet would be more helpful for me), I'm leaning ...
24
votes
5answers
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 ...
23
votes
14answers
5k views

How to climb a hill as a beginner

I'm a complete beginner cycling and I've recently started 3 times a week commuting on a hybrid 8 miles to work and 8 miles back. On the way there is a 5% gradient hill about half a mile long which is ...
23
votes
6answers
5k views

What to do when a snake is in front of you?

I was coming out of a corner and saw something on the road about 10 meters up but only from about 5 meters I realised it's a snake trying to cross the path. I panicked but didn't really do anything. ...
23
votes
9answers
54k 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 ...
23
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 ...
23
votes
8answers
12k views

New chain is pre-lubricated, should I clean it before use?

My new chain is totally coated in lube. I would never ride a bike with a chain like this normally. All that goop is just going to collect flotsam from the road and wear out the chain. Should I clean ...
23
votes
14answers
17k 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 ...
23
votes
10answers
10k 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 ...
23
votes
10answers
1k views

What to wear when it's cold?

If I put on heavy clothes it will be very hot inside them after the warm-up. If I wear only a T-shirt I'll freeze. What's the solution? I ride around 20 km in a hilly city, with temperatures between ...

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