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

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3
votes
2answers
482 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
votes
3answers
519 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
2k 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 ...
41
votes
12answers
10k views

Why don't cyclists wear all-encompassing motorcycle-style helmets?

It is possible to get a helmet that covers your entire head and face, and in theory would protect you against more kinds of falls. In particular, Why don't bicyclists wear them, and why do ...
2
votes
4answers
2k 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 ...
12
votes
5answers
2k views

What are the risks of fenders/mudguards?

I've seen fender/mudguard descriptions that mention things like breakaway stays and discussions about the relative safety of metal vs plastic fenders, but I'm not getting what the concerns are. Can ...
8
votes
8answers
513 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 ...
18
votes
6answers
4k 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. ...
7
votes
8answers
351 views

Winter cycling clothes in full black

I searched and tried the Gore Windbreaker Jacket today on. It fits me very well and I like the look of the jacket in black. The white one looks good too, but I am afraid that it is harder to clean if ...
9
votes
5answers
332 views

How to procced when pedestrians ocupy the dedicated bike path?

I go to work every day on my bike. In my town there are only few bike roads but luckily one is about half of my way to job, but a lot of pedestrians believe they are bikes and occupy bike path. At ...
6
votes
1answer
287 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 ...
3
votes
3answers
643 views

What's this part of the bike, and is it safe to alter it?

The video shows someone installing a gps bike tracker, however there is not much room in the top of the head tube, so he hammers down what's already in there in order to make room for the tracker. In ...
33
votes
9answers
988 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 ...
8
votes
6answers
3k 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 ...
18
votes
4answers
4k views

Does it make you safer to use lights during the day?

My bike light, the Cygolite Metro 360, has a "Daylighting" mode which flashes very brightly and is intended to be used during the day. Similarly, many tail lights have flashing modes. Obviously one ...
6
votes
6answers
27k 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 ...
11
votes
6answers
2k views

Silencing a rattling u-lock

I'm not sure if they're all like this, but my u-lock is a bit loose between the two pieces, the U and the bar. The provided mount snaps very very tightly onto the U, leaving the bar to fend for ...
2
votes
4answers
184 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 ...
2
votes
4answers
146 views

I want to ride a bike, but its dangerous for me to have weight on my arms

I ride about 6 miles a day to work and back. I would like to ride more, but because of a bum shoulder I am increasingly getting into dangerous situations and I want to give up riding. I have a Giant ...
25
votes
6answers
701 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, ...
4
votes
12answers
4k views

Best type of headphones while riding

I'm starting to commute on my bike soon and was looking for suggestions or advice on what type of headphones I should use to listen to music while riding? I am aware of the dangers of listening to ...
14
votes
10answers
975 views

When should cyclists use pedestrian facilities?

I generally try to ride in traffic as a vehicle, following the rules of the road, stopping at red lights, taking the lane, etc. In many urban areas, you are not allowed to ride on the sidewalk ...
11
votes
4answers
12k 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
votes
2answers
1k 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
2answers
142 views

How can I gauge what angle I can safely ride at on a downhill curve?

On a Strava segment featuring a 80-100m-long, 40-50m radius curve going downhill on a paved road at about 8-10%, I make generous use of my brakes out of fear of wiping out on my 23mm, fairly slick ...
16
votes
4answers
13k views

What are my options for cycling mirrors?

What options are available in terms of types of cycling mirrors? Where all can I mount them and what are the advantages and disadvantages to each?
3
votes
5answers
850 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?
13
votes
7answers
11k 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 ...
5
votes
7answers
1k views

Armor and helmet for ultra-safe commuting (womens size)?

I'm about to start daily bike commuting again after a long hiatus and want to go all out on safety. My fear of an accident is extreme enough that I am looking into regularly wearing body armor and a ...
67
votes
5answers
12k views

Safety data: Which is safer, head/tail lights which blink or emit a steady beam?

My head and tail lights can be set to blink or emit a steady beam of light. I usually set my rear (red) light to blink, because I believe it makes me more visible at night. My friend argues that it ...
6
votes
4answers
145 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 ...
14
votes
5answers
3k 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
votes
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. ...
8
votes
5answers
5k 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. ...
7
votes
4answers
7k 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 ...
8
votes
6answers
321 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 ...
10
votes
7answers
2k views

How many fingers on the brake lever?

I have seen people stop with one finger, two fingers or the whole hands on the levers. Is there a recommended number of fingers on the brake levers when stopping/anticipating an emergency stop? Do ...
11
votes
5answers
3k 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).
8
votes
5answers
3k views

Camera alternatives for commuting (2014 version)

After a few near misses by cars and two mates actually being hit I want to start using a camera for taping video footage. These are my requirements: Long battery life (3h+) Inconspicuous ...
3
votes
3answers
106 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
vote
1answer
94 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
94 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. ...
22
votes
6answers
3k 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 ...
19
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
68 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
7k 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
295 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 ...
3
votes
5answers
312 views

Dealing with homicidal drivers

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 ...
31
votes
12answers
7k views

Best ways to avoid getting hit by cars?

When riding through city traffic, what are the best ways to increase the chance you are seen, given a bit of space, and are not touched by any vehicles?
4
votes
2answers
149 views

Front wheel oscillation

I'm not sure if oscillation is the right way to describe this, but when I'm riding at speed (say around 35-40 km/h) and take one hand off of the bars, the bars shimmy or oscillate – kind of like they ...