Questions tagged [safety]

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

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1answer
44 views

Will a Mishiki Pueblo Mountain 20 in frame hold my weight. I go about 330 [closed]

I weigh about 330 ... Will a Mishiki Pueblo Mountain Bike 20 inch frame will hold my weight?
3
votes
1answer
102 views

Running tires with significantly different pressures?

I ordered a replacement for one of the old Schwalbe Marathon 700x28C tires on my ancient road bike, and it turns out that "new" Marathons of that size are meant to be inflated to 80-110psi despite ...
3
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1answer
481 views

Is a long, high angle stem safe to use with a carbon steerer?

I purchased a hardly used road bike someone else had built up for a deal a few weeks ago, and am a bit disappointed with the fit - it's fine for rides less than a couple hours, but too aggressive for ...
24
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2answers
3k views

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

I live near a minor Tennessee town and frequently ride the few miles into town and back on state highways. Part of the route (the less busy part, ironically) has a dedicated bike lane, but it's filled ...
4
votes
1answer
237 views

Does cannabis affect cycling performance?

Some of my friends like to smoke (using both traditional methods and vaporizers that produce no "smoke") or eat edibles before rides, they say it makes it more enjoyable. I always wonder if it ...
12
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6answers
1k views

My wife has Cerebral Palsy (CP) so can’t balance on a normal bike, what are the options so she can go cycling with me?

My wife has Cerebral Palsy (CP) so can’t balance on a normal bike, what are the options so she can go cycling with me? We don't own a van, the size of any "bike" is important as it will have to fit ...
3
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5answers
2k views

Is it practical to wear motorcycle half helmet for road cycling?

I am considering buying a motorcycle half helmet for cycling. I ride road bike for leisure. I would ride alongside with traffics quite often. First of all, I am looking for more protection. I am not ...
5
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6answers
603 views

Dealing with homicidal drivers [duplicate]

I do a 35km return commute into a big city. Almost daily, someone tries to run me over. Just in the past month I've experienced the following: I filter to the front of the traffic, wait at the ...
16
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5answers
10k 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. ...
49
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3answers
5k views

Does a helmet-mounted light affect the safe functionality of the helmet?

I am currently testing a bunch of lights for my (slowly) upcoming head lights review. Several of the lights can be mounted to a helmet using a mounting strap, like this: I'm wondering if having a ...
2
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3answers
192 views

Nearly getting hit by reckless vehicles. What can be done? [duplicate]

Today I nearly got hit by a driver not paying attention: I was stopped, waiting to turn right. She was turning right off the road. She did not indicate. It was a quiet residential area, daylight. ...
2
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5answers
1k views

Looking for an old fashioned bicycle with coaster brakes & hand brakes for a woman

I am looking for an old fashioned style bicycle. I had a bad accident on a new bicycle and I feel safer with with an old-style bike. I've never crashed before and I've been riding bicycles for over 40 ...
50
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17answers
9k views

How to get over anger at inconsiderate drivers

Fortunately, I have very few strongly negative interactions with cars (most people generally seem to respect the way I ride), but those that do stick with me for a while. The scenario is almost ...
2
votes
2answers
255 views

Cyclist vs Van. Who is wrong in this scenario? [closed]

I often find that some drivers disregard cyclists right of way, and as a result put cyclists in danger. For example, when a cyclist takes their right of way, some drivers ignore this and assume the ...
1
vote
0answers
87 views

MTB Safety - Helmet [duplicate]

Does a standard bike helmet offer any real protection when cycling offroad? Looking at other people cycling offroad, fullface helmets are quite rare. Although to me it looks like a standard helmet is ...
8
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1answer
2k views

How to (safely) navigate a four-way stop

What's the safest way to navigate a four-way stop on a bicycle? I've found that some cars will ignore me, others will wave me through, and still others will just treat me as any other vehicle on the ...
2
votes
3answers
263 views

Questions about shifting from a new road cyclist

I recently purchased a used bike from my local co-op. I've ridden previously on fixed bikes with straight bars, but this bike is the first one I've owned where I have to shift and use drop handlebars. ...
2
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2answers
1k views

What speed of wind gust will cause a cyclist to swerve by 1m or more?

Today's weather forecast for London predicts gusts of 45mph. While there are many factors in determining whether its safe to ride, the possibility of getting blown into oncoming traffic rules out a ...
2
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3answers
628 views

Bicycle lights- Indicating in the dark

I am a product designer and am currently working on a bicycle lighting project and would really appreciate your valuable feedback. In England, turning left on a bicycle is not really a problem as ...
4
votes
5answers
3k views

Why are frame pads no longer readily available?

When mountain bikes first became popular people were a lot more likely to buy a full set of frame pads than a helmet. Obviously helmets had all of the aesthetic appeal of a lycra covered fan-heater ...
3
votes
4answers
3k views

Is it safe to ride with bent fork?

My bicycle went from this when I bought it: To this when I crashed (note the front fork bent where it attaches to the stem; front wheel almost touches the down tube): Update: Just looked at the ...
8
votes
8answers
601 views

Should I be wearing sunblock? [closed]

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 ...
6
votes
1answer
533 views

What bicycle safe anti-car road spikes exist?

I am curious if there is a technology that allows bicycles to run over it, but will destroy car tires. From my understanding, usually poles like this are placed on trails to prevent vehicles from ...
34
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9answers
2k views

How can I be visible in the dark when I'm signalling a turn?

My bike and I are fairly visible at night--white light in front, red light in the back, bright yellow fenders, reflective tabs and a light on my helmet. I use hand signals to alert motorists when I'm ...
9
votes
6answers
5k 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 ...
11
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4answers
22k views

How can I tell a bike is safe after a crash?

I was recently in an accident where a car pulled out on me. I hit the car around the front wheel and me and the bike went over the bonnet and landed on the road, the other side of the car. I was ...
13
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2answers
5k views

Does helmet padding contribute to the safety of a helmet?

Does the padding inside of a bicycle helmet contribute to the overall security of the helmet? I.e. do they cushion a crash in some way, or are they just there for comfort?
4
votes
5answers
2k views

Is riding shirtless safe?

During the summer, I like to go for rides on trails without a shirt. Is this safe? Also, related: is it rude to other people on the trail not to wear a shirt?
18
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7answers
32k views

How do I bring an old bike up to speed?

I'm an adult that is new to biking due to a triple whammy of a childhood aversion to effort, my family moving to a town on the side of a mountain with steep roads, and my bike getting run over by a ...
7
votes
4answers
794 views

Fracture in folding frame - safe to ride?

I cycle every day because I live in a city and I find it a fun, fit and convenient mode of transport. I am not a cycling hobbyist, am only averagely fit and know pretty much nothing about bike ...
16
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5answers
5k views

How close do I have to be for effective drafting (while commuting)?

I commute and want to draft another bike, but still have room to stop when someone opens a car door in front of the rider in front of me. At what distance does drafting significantly reduce drag? Are ...
11
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3answers
3k views

Pizza box rear light

I work as a delivery man on a bicycle, so I often ride my bike after dark with a black pizza box attached. My rear light attaches to my seatpost, and is completely useless when the pizza box is there. ...
9
votes
4answers
22k 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 ...
9
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6answers
1k views

Pedal-powered head/tail lights

I'm planning to get a pair of pedal-powered head & tail lights to get my husband as a gift. He commutes ~11mi roundtrip every day to/from work. In summer, he rides a Cannondale touring bike. In ...
12
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5answers
5k views

How can I make myself and bike more visible during the day?

How can I make myself more visible during the day? Maybe something to put on my helmet (so it's easy to remember).
3
votes
3answers
464 views

When should I replace the brake cable?

Here is the picture of the cable from my rear V-brakes: As you can see it's worn down. Should I replace it now or is it safe to use it for some more time?
1
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1answer
5k views

Rear wheel constant bump

my rear wheel has a constant bump whenever I ride . I've done all that came to mind at firs. Deflated and checked the tire , checked the axel for bends , checked the ball bearings , made shure the ...
0
votes
1answer
531 views

Is Marseille a safe place to ride a bicycle?

I learned to ride a bike quite recently and I was thinking about moving to Marseille next year to study. I love bikes and I would love to be able to get one there and move around the city using it. I'...
25
votes
6answers
4k views

Which states or countries have stop-sign-as-yield laws for bicyclists (Idaho stop law)?

In Idaho (PDF), bicyclists are allowed to treat stop signs as yields, and red lights as stop signs (essentially; see the actual law for details). This seems like a very reasonable approach, balancing ...
22
votes
5answers
4k views

Is my stopping dangerous when Idaho Stop is de facto but not legal?

I've been bike commuting in the East Bay Area of California (5mi/day, plus public transport) for a few weeks now. I recently attended an in-class safety course, where I learned the fine for not ...
1
vote
1answer
442 views

Can the iBert safe-T-seat be safely mounted behind the seat post?

I have the iBert front-mounting child seat. I've used it previously attached to my street bike as in the below image, but between the straight bars and the shifter triggers, I had to mount it so low ...
4
votes
4answers
10k views

Where can I find replacement pads for a bicycle helmet?

I have a Bell bicycle helmet that is probably two years old, and the pads for the front and sides have disintegrated from sweat and are now little more than pieces of fabric attached to the velcro ...
10
votes
4answers
344 views

Supervising a beginner in traffic

Let's say you persuade some significant other to ride with you in the city. You both have good bikes, they are inexperienced, and you are (I am) used to commuting, including in traffic. How do you ...
13
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2answers
4k views

Do liners or other hats worn inside a helmet compromise safety?

Is there any data or official (e.g. standards-based) information on the effects of wearing a liner, bandana, or other hat under a helmet? Like many riders, I wear "headsweats" in the summer for sun ...
2
votes
1answer
2k views

What's the best way to secure helmet straps?

On every helmet I've worn there is always some extra length to the straps that run through the buckle that secures the helmet to ones head. Most helmet's these days come with one or two small rubber ...
6
votes
1answer
481 views

How does the risk of a cyclist colliding with a vehicle vary with the speed difference?

In a recent answer I asserted Statistics show that the probability of a collision rises rapidly after the speed difference between two road users exceeds 20 kph (12 mph). So choose paths without ...
0
votes
2answers
947 views

Where do you leave your bike on cafe stops and water breaks?

Where should I leave my bike on longer rides when stopping at a cafe or going into a store to get water? Do you carry a lock in your jersey? Leave it outside? What is a good lock? What should I do ...
6
votes
4answers
1k views

How to deal with motorist's road rage (after prevention has failed)

A few weeks ago I had my first experience where I really worried for my well-being at the hands of an angry motorist-- so, what can a cyclist do when being threatened and followed by a motorist? ...
7
votes
2answers
5k 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 ...
27
votes
7answers
6k 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,...