Riding safely, safety equipment, and safe places to ride.

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0
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1answer
234 views

Cycling fast - and brakes don't work - what to do? [duplicate]

I hope this doesn't occur to any of us, but it can. What must the cyclist do when he/she is cycling (too) fast and needs to stop or slow down immediately, but neither the front and rear brakes work ...
7
votes
2answers
3k views

How much of the saddle rail is suiteable to use

Is it possible to safely set the seat to the max to get the saddle as far forward as it will go. Or should it only be clamped within the marked range 0 to 3.5? I have marked the points in red. The ...
4
votes
2answers
2k views

What is the largest hole a tire can bear before replacement?

Saw this question today. The tire in question has a 2cm long hole on the inside, from a knife. I sometimes get puncture flats from e.g. glass. Never as big as 2cm. Usually if they're less than 1/2cm,...
6
votes
3answers
3k views

How can I determine whether rust has made my bike unsafe?

I ride a 1972 steel frame bike year round through Canadian winters. When I got the bike it was in good shape, but after putting a few thousand km worth of commuting on it, it has a lot of scratches ...
9
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2answers
421 views

Baby Transportation Safety Statistics

Is there a resource comparing different safety statistics for transporting babies on bicycles, specifically using different methods? I'd like to see some information about how safe it is to compare a ...
3
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3answers
491 views

Which is the most stringent bicycle helmet certification?

There are numerous safety standards for bicycle helmets available, but which certification is the most stringent one in terms of safety?
2
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3answers
523 views

What is the correct way to put a helmet on?

I hear often claims similar to "many cyclists wear their helmets the wrong way" and "wearing a helmet incorrectly significantly reduces it's protective ability". My helmet is similar to the following ...
9
votes
1answer
835 views

What is the proper technique for crossing railroad tracks?

I cross railroads as perpendicularly as is possible, but that's all I know to do. Safety is a priority, speed not so much. Specifically: Is there an optimum speed? Should you pedal through them ...
8
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6answers
646 views

Prescription eye glasses and shoulder checks

I've never had prescription glasses but might like some. My left eye doesn't focus easily (I ride on the right side of the road, in Canada). If I look over my left shoulder, I can see behind me only ...
2
votes
1answer
1k views

How does one test the freewheel?

What are the failure modes (symptoms) of a failing or failed freewheel? My understanding of normal free wheeling means the rear tire should rotate when the bike is moving and the pedals are or are ...
5
votes
2answers
219 views

Is this rim safe?

The rim has a parting at the join: This is a brand new wheel, and I was wondering if this is a safe one. Could it split at the join?
4
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4answers
313 views

Employer Duty of Care for cyclist

The company I work for provides cycle racks for cyclists in a semi underground carpark that is open at one side. Several cycles have been stolen from this area and one colleage was attacked by a bike ...
7
votes
6answers
387 views

How can I avoid crashes on my urban commute? Tramlines and CBD sections especially

I live in Melbourne, Australia, a city famous for its compact, grid-like CBD (downtown area) and trams. Trams mean tram tracks and hook turns. And compulsory helmets. My daily ride is only 10 km but ...
10
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6answers
6k views

Do stickers or paint compromise a helmet?

Would sticking stickers on a helmet or painting them etc make a helmet less useful in a crash? Not knowing the science of helmets but perhaps stickers in the wrong place might make it not behave how ...
14
votes
4answers
532 views

Determining if a road is safe to bike on

How do you determine which roads are safe to ride on and which should be avoided? What traffic patterns do you feel comfortable riding in, and which ones set off alarms? What sorts of intersections do ...
5
votes
1answer
1k views

Any experience about radially-laced hub flanges actually breaking?

Most hub manufacturers forbid lacing spokes radially, mostly because there is less material in the radial direction away from a flange hole than in the standard 3-cross, tangential lacing. (UPDATE: ...
10
votes
5answers
862 views

How do you know if you can trust your LBS?

I've visited a lot of bike shops in my time. There have been great ones, and scary ones. One thing I've noticed is that they all seem to have the best intentions. I've never had one deliberately rip ...
19
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7answers
1k views

What are some alternatives to fruitlessly ringing my bell at a motorist?

I doubt that motor-vehicle drivers can hear the "ding" sound that a bicycle bell makes. What are some better alternatives?
11
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4answers
1k views

Are bicycle helmets repairable or disposable?

Suppose I wear a bicycle helmet, and I fall hard and my helmet cracks. Do I buy a new helmet or can I try repair the old one with some glue?
4
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2answers
400 views

Which brake is most expendable?

I'm thinking of removing a brake(front or back) to reduce weight and simplify my bike. Which brake is most expendable? Its your average fixie road bike.
6
votes
2answers
534 views

Is a headlight required to emit light to the sides?

The California Vehicle Code says: (d) A bicycle operated during darkness upon a highway, a sidewalk where bicycle operation is not prohibited by the local jurisdiction, or a bikeway, as ...
16
votes
6answers
5k views

Night cycling: Is it worth using electroluminescent wire?

It's currently winter in the UK, so for my commete to and from work I need lights and reflective surfaces for safety. I've read about local people losing their lives cycling, so I don want to make ...
8
votes
7answers
524 views

Do any bike sharing schemes provide a way to rent or share helmets along with the bikes?

Do any bike sharing schemes provide a way to rent or share helmets along with the bikes, either in a kiosk or through an arrangement with local businesses? None of the schemes that I've used (London, ...
2
votes
3answers
242 views

“wound” on the tire side

The other day I was stopped at a traffic light when I felt my bike moving slowly forward. Did not pay really attention, thought there was a slight slope, so hit the brake and voila. But it did not ...
6
votes
3answers
263 views

Does a three foot passing law actually require drivers to give three feet?

Utah has a three foot passing law that states: Title 41 Chapter 6a Section 706.5 Operation of motor vehicle near bicycle prohibited. An operator of a motor vehicle may not knowingly, ...
5
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2answers
2k views

Can a steel fork be unbent?

I was hit by a car and now the steerer of my Reynolds 753 aero fork is bent. Is it possible to bend them back? Would that be safe? I can't afford a new pair!
4
votes
7answers
469 views

Need a bright headlight for offroad, UK

As winter approaches I am looking to upgrade my cycle lights. My commute takes me on an unlit section of canal tow path so I am looking for suggestions of a super bright headlight or cycle light that ...
8
votes
6answers
849 views

As recumbents are low to the ground and hard to see, how to you use one safely on a normal road?

My wife thinks that she can't use a recumbent on the roads, as a car driver will not be able to see it. What’s the solution?
12
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3answers
4k views

Is it safe to ride on an unevenly bulging tyre?

Most of the tyre looks fine, true and straight but the section photographed shows bulging. The rim itself is true, is this safe to ride on?
1
vote
4answers
2k views

Feedback on Bern Helmets for winter

I was thinking about picking up a new helmet this afternoon. My current helmet: Has had a few accidents Isn't very warm in the winter. Doesn't have great clearance for ski goggles. I was ...
-3
votes
5answers
5k views

Is it safe to Cycle with an Umbrella?

Is it safe to cycle while holding an Umbrella? Obviously it's at least a little less safe than biking without holding something in your left (or right) hand. But how much more dangerous is it? ...
12
votes
4answers
4k views

Is it legal to pass a car on the right when that car is turning?

So I've been poring over the bikes SE, and as a recreational biker and an automobile commuter, I'm naturally most interested in topics addressing how bikes interact with automotive traffic. In one ...
20
votes
5answers
4k views

How should a bicycle helmet fit?

I see enough folks wearing helmets in such a manner that they might as well not be. What is the proper way to fit & wear a bicycle helmet?
6
votes
1answer
675 views

Is it safe to ride with one missing chainring bolt?

I have a double chainring on my road bike but one of my chainring bolts has broken so I'm left with only 4 out of the 5 I'm supposed to have. Is it safe to ride? (just until replacements arrive)
0
votes
9answers
583 views

Is it possible to perform tricks with 100% safety during commuting?

When commuting in the city, i encounter many transitions between road and sidewalk. It's easy to jump from the sidewalk down to the road (~20 cm vertical) if you have enough speed, but to get back ...
2
votes
2answers
448 views

Wheel spokes missing

I have 5 spokes missing. Is it OK to ride on it, and how long will it last, or will my wheel just break on me? I will be going to work on it every day.
17
votes
6answers
693 views

In shared bicycle/pedestrian facilities next to a road, do I obey the pedestrian or the vehicle traffic control devices?

My commute takes me on a bike path that runs parallel to a road (with a sidewalk in between). When crossing other roads, the sidewalk and bike path merge, and there is one curb-cut and cross walk with ...
0
votes
3answers
853 views

Should I listen to music when I bike? [duplicate]

Possible Duplicate: Is listening to music dangerous while cycling? Is it bad to listen to earphones while commuting? I have a lot of people tell me I shouldn't, but I find when I'm biking ...
7
votes
4answers
2k views

Babies on Bakfietsen: How young is too young?

When is it safe to transport a baby on a bakfiets? How does one know when a child is old enough for this? By "safe" I mean, protecting the child's brain from damage due to road vibration, pothole ...
9
votes
3answers
4k views

Is it a good idea to get a narrower front tire and a wider rear tire on a road bike?

I am currently running Continental Grand Prix S 4000 in 23-622 / 700x23C front and rear. I am about to buy a new set of tires for my road bike and am fancying a smaller tire for the front and a wider ...
6
votes
5answers
5k views

What are the accepted hand signals for cyclists in the UK?

see also "What are the accepted hand signals for cyclists in the US?"
7
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5answers
968 views

Is it more dangerous to use a bike lane or to ride in the road proper?

When I ride my bike, depending on which route I take, there are bike lanes and there are not - both routes take the same amount of time/distance, the only difference is the presence (or lack thereof) ...
5
votes
3answers
478 views

Are reflectors mandatory by the UK highway code?

I bought a set of mudguards recently, the rear one attaches onto the seat post. I have a red reflector that also attached onto the seatpost, so if I have both the seat has to be too high and only my ...
6
votes
4answers
780 views

Which parts of a wrecked bike would be OK to use or sell?

A few months ago I was in an accident with a car on my way home from work (oncoming car turned left in front of me). My bike was severely damaged, the frame broke in two and the front wheel is bent ...
15
votes
5answers
634 views

How should I deal with bike messengers + others (salmon) riding the wrong way in a bike lane?

Frustrated cyclist "jegrgic" poses this question at the New York Cycling Club (NYCC) website. They say: When I see this, I want to just go over to the person and try to give them some common ...
3
votes
4answers
1k views

What statutes govern the directing of traffic by citizens in Massachusetts?

Are there laws or statutes governing the directing of traffic by citizens or "members of the public"? A scenario I often encounter is one in which someone — typically another rider or pedestrian in a ...
7
votes
2answers
602 views

How much does an impact reduce helmet's ability to protect?

I read the answers to "When or how often should I replace my bike helmet?", but unfortunately none of the answers there cites any references. Have there been any studies quantifying the claim of ...
16
votes
7answers
1k views

How to convince fellow cyclists to follow the rules, like stopping at red lights?

I'm basically a year-round cyclist in Toronto, Canada. The popularity of bicycling as a form of transportation and commuting here has been growing over the past few years, and I'm generally happy ...
5
votes
4answers
1k views

Cycling traffic signs and rules in Germany

I'm over 30 and have just started cycling in real traffic, my first experience, as I have only ever ridden as a child in parks and such. I live in a university town in the state of Baden-Württemberg ...
11
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5answers
864 views

Most favoriable collision with a car? How should I act before collision, supposing enough time?

Suppose a car is going to collide with you. What can you do to minimise the consequences? By collision I mean that it may be intentional or an accident. Anyway I am looking for tips on how to act in ...