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68 votes

Red light facing forwards?

No. You should always ride with a white light facing forward and a red light facing backwards. If you want additional illumination, you can add multiple white/red lights in the appropriate direction. ...
nhinkle's user avatar
  • 3,893
57 votes

Wrong way on a bike lane?

In general, if a bike path (lane) is on a road, follow the direction of traffic on that road. If there isn't a bike path on the other side, then bike carefully in the road if permitted, or find a ...
Batman's user avatar
  • 46.2k
54 votes

Should unconventional colors be avoided for lighting?

A quick search, however, shows other colors available to purchase. Concerning "to be seen" bicycle lights, should they be avoided? Yes, they should be avoided. First, off-colors might not be legal ...
Andrew Henle's user avatar
  • 10.6k
51 votes
Accepted

How to indicate you are going straight?

It's difficult to say without seeing photos of the road layout. However, if the road itself continues round to the left, you should indicate right when you're leaving it. In general, you should ...
Will Vousden's user avatar
  • 3,981
49 votes
Accepted

How dangerous are my worn rims?

Rims are worn out when the groove disappears. If the groove is clearly visible, well-defined and of uniform depth all the way around, the rim is not quite worn out and certainly not dangerous. New ...
Argenti Apparatus's user avatar
49 votes
Accepted

Can Cycle Camera Evidence be Used by Police to Enforce Dangerous Motorists?

Intro: I've heard lots of cyclists complain they submitted their helmet camera video of motorist encounters to the Police who "did nothing". To avoid wasting cyclist's time- and the Police's,...
F1Linux's user avatar
  • 2,203
45 votes
Accepted

Should unconventional colors be avoided for lighting?

Most places will legally require you to run with white lights on the front and red lights behind. This is crucially important because it immediately tells everybody else on the road whether you're ...
David Richerby's user avatar
45 votes
Accepted

Is cycling on this 35mph road too dangerous?

As an experienced cyclist who has been all over the country and even done hundreds of miles on interstates, after finding that location on Google Maps, and checking how you might conceivably get ...
Michael Hampton's user avatar
45 votes
Accepted

What can you do when a driver cuts you off?

Ride like every driver is a psychopath who hates cyclists; you will be wrong 95% of the time. What if the driver who just cut you off is one of the 5% and has a knife (US == gun)? It’s easier said ...
mattnz's user avatar
  • 50.9k
45 votes

Pack of dogs - best response to owner?

To prevent this from happening again, this should be reported to the relevant authorities. You were on a public road and in all countries I am familiar with, the dog owner is responsible for ...
Superman.Lopez's user avatar
43 votes

How can I make it clear to other road users that I'm an inexperienced cyclist?

This is an interesting and thoughtful question, and just the fact that you are thinking carefully about how other road users think about you is very valuable and will contribute to your safety on the ...
Daniele Procida's user avatar
42 votes
Accepted

How can I tell if my helmet is still safe after I fell?

If your head didn't hit the road, the helmet absorbed no impact so it will be as good as before the event. You're not sure whether the helmet did take an impact - which is reasonable. A lot happens ...
Criggie's user avatar
  • 125k
41 votes

How should I handle a highway patrolman who stops me occasionally to give incorrect instructions about my riding duties?

There is no one size fits all answer to this, except the first point below. When dealing with police, or other authority figures, always behave respectfully. Contact the people responsible for ...
andy256's user avatar
  • 17.3k
38 votes

How (un)safe is it to ride barefoot?

It may well become uncomfortable after pedalling for some time, so don't rely on a quick test ride to check. More importantly though, you need to be able to stop the bike based on the need to stop, ...
Chris H's user avatar
  • 59.7k
37 votes
Accepted

Is cycling behind a truck a bad practice?

It is really dangerous to follow a large vehicle closely. It is possible behind a directeur sportif in a passenger car which is smaller: you can see through it, and the driver is a cyclist who knows ...
Vladimir F Героям слава's user avatar
37 votes

Why should little kids not have back mirrors on their bicycles?

Literally, TMI [too much information]. Kids shouldn't have to deal with what's behind them. When learning to ride, they have the dual challenge of learning bike-control and balancing as well as not ...
Criggie's user avatar
  • 125k
35 votes

Can road bumps excite frame eigen frequencies?

A resonant frequency encountered on a road surface would be for the whole bike system, i.e. frame, wheels, rider etc. The rider is effectively attached to the frame via elements with spring, damping ...
Argenti Apparatus's user avatar
35 votes
Accepted

Penny-farthings: Skills required to transition from standard bicycles?

Intro: Road cyclists often ask me this question when they encounter me riding my penny-farthing. It's a mystical beast little understood by many cyclists, so I'll take a moment to demystify the PF and ...
F1Linux's user avatar
  • 2,203
34 votes
Accepted

Time for a new tyre?

Normally safe is relative, in this case, its absolute - no, it is not safe. Don't ride on that tire. I would - but only to get home, and I would be feeling for any sign of further degradation (...
mattnz's user avatar
  • 50.9k
32 votes
Accepted

Threatening swerving by driver - should I report it? (Canada)

I also live in Ottawa so I can provide some pertinent viewpoints. Yes, you should report it, and yes, it will probably be an exercise in frustration. Don't expect the police to do anything about it. ...
Kibbee's user avatar
  • 21.7k
32 votes

Why do they not sell bicycles with four wheels?

Why do they not sell bicycles with four wheels? They do sell vehicles with four bicycle wheels. As Carel said, Two wheels is by definition a bicycle Three wheels is a tricycle four wheels is a ...
David D's user avatar
  • 21.5k
31 votes
Accepted

Safety - Improve braking power in wet conditions

You have commented I mainly use the back brake. I therefore propose option 4: improve your braking technique before spending any money. If you only use half of your bicycle's brakes, you can't ...
David Richerby's user avatar
31 votes
Accepted

How can I offer a test ride while selling a bike?

The simplest answers are ask for their ID, or for their car keys if they arrive by car. There are plenty of other options on various forums like https://www.bikeforums.net/general-cycling-discussion/...
pateksan's user avatar
  • 2,364
31 votes

Why are there no snow chains for bicycles?

TL;DNR - They would (probably not) solve a problem that does not exist and would probably cost to much. I suspect the reasons you cannot get chains (including modern equivalents such as 'snow socks' ...
mattnz's user avatar
  • 50.9k
30 votes
Accepted

Is turning head to look backwards while riding a bike a safe and recommended technique?

Yes - looking behind you (briefly) is a perfectly good way to find out what's there. The dangers of not-looking-behind are much higher than a brief interruption of looking forward. You're right that ...
Criggie's user avatar
  • 125k
29 votes

How to handle motorists' dangerous behaviour with an impassable group?

Don't create the situation in the first place. Every large event I've ever been on would either have the roads closed down, or send the riders out in waves so as not to create a situation where a car ...
Kibbee's user avatar
  • 21.7k
29 votes

Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower?

The tube is low on ladies' bikes for the skirt. Otherwise, structurally, it is better to have the top tube higher. You can make the bike lighter with the same strength. One should not be in a large ...
Vladimir F Героям слава's user avatar
28 votes

Is cycling in the Netherlands without a helmet safer than cycling with a helmet in the USA?

There's a simple answer to the question you didn't actually ask: in the Netherlands cyclists who wear helmets are much more likely to be hospitalised than those who don't Although the Netherlands is ...
Móż's user avatar
  • 23.6k
27 votes

Wrong way on a bike lane?

This is not a bike path, as you first called it, it's a bike lane; the difference being that it's a part of the road. The bike lane just designates part of the road for bikes. You're supposed to ...
SQB's user avatar
  • 1,051
27 votes

Is cycling on this 35mph road too dangerous?

I ride successfully along some roads with a posted speed of 100 km/h (65 mph) and there are other roads posted at 50 km/h (35 mph) that I avoid. The difference is in the shoulder and general condition ...
Criggie's user avatar
  • 125k

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