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

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8
votes
5answers
751 views

What's the lowest safe cadence on a climb?

I recently installed a power meter and just used it to get up some rather steep 15%+ climbs. At my weight and lowest gearing (34f 30r) at a sustainable power level for my fitness (225w) this ...
8
votes
2answers
355 views

How could I have avoided this accident?

On Sunday I wanted to use my free day and I planned to do a half-day ride with my mountain bike. The weather wasn't really good, but at least it wasn't raining as the days before. I rode up a ...
8
votes
3answers
2k 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 ...
8
votes
4answers
242 views

Night Riding With Heavy Traffic

I live in a fairly urban setting and there are plenty of cars around when it gets past dark. The main point of having a bicycle light/backlight (I contend) is not for you to see, its for others to see ...
8
votes
6answers
1k views

What are the advantages of filling tires with Nitrogen instead of air?

I am completely new to riding bikes and know that are usually filled with air but nowadays some people fill them with Nitrogen instead. I don't know why they prefer to fill their tires with nitrogen ...
8
votes
2answers
238 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 ...
7
votes
5answers
850 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) ...
7
votes
7answers
414 views

Should I be wearing sunblock?

I spend the vast majority of my time inside, so I would like to start getting into cycling. I rode up to the beach a couple days ago and got some slight sunburn. I personally don't mind sunburn all ...
7
votes
5answers
1k views

How can I prevent cars from passing me too closely?

Recently, a driver buzzed by me, leaving just a couple of inches between my handlebars and his car. It was very scary. In general, how can I prevent cars from passing me too closely? Please cite ...
7
votes
5answers
1k views

How do you shift your weight when leaning on a turn?

When I turn I usually shift my weight on the same side I'm turning to. To ease the discussion let's assume we are turning left, on a paved road (no mud/gravel/potholes/grease/oil/ice/door traps). I ...
7
votes
3answers
591 views

What are the features that I should seek in cycling glasses?

I am seeking eye protection for cycling. I don't know if I should buy glasses or goggles.
7
votes
6answers
352 views

Left Turn Across Major Intersection

I'm new at biking, and have seen many examples of left-turn situations, but none that quite match this one. Simply, what is the proper / best way to complete the turn pictured below, or is it smarter ...
7
votes
8answers
377 views

How to cope with being rattled by the wake of a fast car?

There's one long road that I bike on that has a decent bike lane, but the speed limit for cars is 50 mph. Needless to say, they drive 60+. Often I find myself being shaken or rattled by the turbulent ...
7
votes
3answers
820 views

Fixed gear Biking, how to ride properly?

I Have been riding bikes since I've been 6 years old, and I don't mean riding up and down the street - I mean touring with my sisters for 10-20 Km. Later on, I really got into Downhill. Over time I ...
7
votes
2answers
409 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 ...
7
votes
6answers
354 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 ...
6
votes
4answers
382 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 ...
6
votes
3answers
399 views

Is vehicular cycling legal in France?

I learned to ride in Toronto, where behaviour such as the following is legal: if there is not enough space to share the lane safely with another vehicle, it is legal to ride near the centre of the ...
6
votes
4answers
3k views

Are 22mm tires too thin for commuting?

I recently switched from a mountain bike to a road bike with 22mm tires for commuting. I noticed right away that I could not do the things like hop over curbs with this new bike. I also got flats. ...
6
votes
4answers
974 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 ...
6
votes
2answers
259 views

What percentage of bike vs. car accidents at night could be avoided by good side visibility?

I'm trying to assess how important side visibility is at night on a bike.
6
votes
4answers
13k views

What do I do wrong to get hip aches after biking?

I ride about 17 miles each session. After the ride, the outside of my hips sore: only the parts near the outermost joints, most likely the tendon (although this is only a guess). My knees are fine, my ...
6
votes
3answers
2k views

How to eat properly when cycling in extreme heat?

In the US, we're in the middle of a heat wave. Temperatures are topping 100 degrees F and up in some areas. When touring, how should one's eating and drinking before and during a ride be changed to ...
6
votes
3answers
234 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, ...
6
votes
4answers
551 views

If a lane is going to expand should the left lane be taken prior to the expansion?

This is US law and roads. Drive on right side. Speed Limit is 45mph (72kmh) And as @Benedikt Bauer pointed out solid white lines are not supposed to be crossed. In the morning though there is very ...
6
votes
2answers
728 views

How do you ride on a road that doesn't have a bicycle lane?

I live in Washington State and here the law states cyclists have the choice to ride on the sidewalks, bicycle lane, or on the road with other traffic. I usually just ride to school and back, which is ...
6
votes
4answers
174 views

Is it good practice to wave following cars through when safe?

When I am being followed by a car that is unable to safely overtake, I would normally take the lane and adopt primary position as recommended, making an obvious move to secondary position once it is ...
6
votes
2answers
208 views

Thunderstorm Safety

I commute 5 miles each way to work. I live in a climate where the weather can change from decent to torrential rain and thundering within 5 minutes (i.e. the first mile of my commute). This ...
6
votes
2answers
428 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 ...
6
votes
2answers
279 views

How to get back on the road again?

I am from Mumbai, India. And as some of you might be knowing, it is a pretty crazy traffic on roads here. Many times, it so happens that trucks, cars etc. may force you to get off the road while you ...
6
votes
2answers
833 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 ...
6
votes
3answers
928 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 ...
6
votes
1answer
358 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)
6
votes
1answer
316 views

Is there a significant difference between the new all-mountain/trail and classic cross country helmets?

There is a new niche of "all mountain" helmets, like Fox Flux, POC Trabec, 661 Recon etc. They feature closed, rounded backward design, and claim to protect the brainstem better. I ride all-mountain ...
6
votes
1answer
643 views

For road riding, are mountain bikes safer than road bikes?

My son (age 15) and I have ridden a couple of thousand miles in the past few years--road riding. We like mountain climbs and descents. He was on a comfort bike until a month ago, when he acquired his ...
5
votes
6answers
453 views

Should the laws be amended to allow cyclists to run red lights?

Ignoring the question of whether or not cyclists should or should not break the law by running red lights, should the law be changed such that cyclists are somehow exempt from stopping and waiting? ...
5
votes
4answers
360 views

How far do I “pull over” in a bike lane?

If I am riding down a marked bike lane on a road which is adjacent to the curb, and I need to stop for a very short time (e.g. to adjust something, turn on lights, or drink some water), how far should ...
5
votes
3answers
814 views

Safety of fixies

I am feeling minimalist and hipster, considering buying a fixie. I have never ridden a fixie and cannot gauge the safety of fixies (an important issue for me). I am only considering fixies with both ...
5
votes
2answers
217 views

Are some tires safer than others?

I bought a Bell Road tire from Walmart. Since I haven't exactly had great luck with Walmart bicycle products, I looked up the reviews... not so great. In their defense, they are 1.375, not 1.25, but ...
5
votes
2answers
469 views

How does a neck brace work?

I've done a bit of research but can't seem to find much information on how neck braces actually work to protect the neck. There are many views on whether they are actually effective in reducing ...
5
votes
1answer
273 views

Hydraulic disk brake stops working when hot; back to normal after cooling - is this expected?

I have experienced a strange failure of my brake. I was descending a steep smooth road, using only my front brake (my rear brake was broken; it was an unplanned bail from a route). I tried keeping ...
5
votes
5answers
3k 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?"
5
votes
2answers
717 views

Different tyre width (front and back)

Out of necessity, I had to put an 1.26" (32mm) rear tyre on my bike where the front tyre is only 1.1" (28mm) wide (and the bike came with 1.1" tyres when I bought it). Are there any advantages or ...
5
votes
2answers
184 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?
5
votes
2answers
2k views

New Chain causing skipping on cassette - will this work itself out or is it unsafe?

I just installed a new chain on my 2002 Trek 2200 Road Bike. The old chain was a Shimano 9 speed that I installed 18 months and about 5000 miles ago. It had stretched modestly and was full of winter ...
5
votes
4answers
797 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 ...
5
votes
3answers
120 views

How can I tell if a helmet will be comfortable before buying?

Barring taking a helmet on a 50-mile ride before buying it: Some kinds of chin straps, for example, won't stay tight, and some kinds of cages aren't comfortable no matter how I adjust them. What ...
5
votes
1answer
391 views

Do cyclists make safer drivers?

Is there any research that suggests cyclists are safer drivers than drivers who don't cycle? Is there evidence to suggest the opposite? Please remember this is not a discussion. Please include ...
5
votes
3answers
426 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 ...
5
votes
3answers
1k views

Sunglasses anti-fog solutions safe for cycling

I wear full sun protection when I ride, including sunglasses and a tube wrap around the lower half of my face. The issue I have is that in cool weather the wrap tends to channel air from my lungs up ...