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

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34
votes
9answers
1k 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 ...
6
votes
6answers
31k 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
3k 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 itself,...
2
votes
4answers
159 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
723 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
1k 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
13k 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?
5
votes
2answers
153 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 ...
3
votes
5answers
928 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
13k 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 ...
70
votes
5answers
14k 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
164 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. ...
7
votes
4answers
9k 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
397 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 ...
12
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
118 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
212 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
112 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'...
23
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
109 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
8k 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
300 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 ...
4
votes
2answers
163 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 ...
13
votes
2answers
2k 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
3answers
520 views

best tires for Cannondale Bad Boy 4

I'm just getting into biking and last week I just purchased a Cannondale Bad Boy 4 from REI. They still have it in the shop as I'm in the processing of moving and they agreed to hold onto it for me. ...
3
votes
2answers
384 views

Safety comparison, downhill mountain bike vs. downhill ski

My twelve-year-old recently tried downhill mountain biking when we were in Lake Placid. He found it thrilling and would like to continue with this new sport now that we are back home. I am hesitant ...
2
votes
1answer
208 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 ...
4
votes
1answer
190 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 ...
9
votes
5answers
1k 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 ...
0
votes
2answers
254 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
808 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
829 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 ...
25
votes
7answers
4k 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,...
14
votes
8answers
13k views

What's the safest way to turn left from a right-side bike lane?

(United States road configuration and customs here. Sorry, those of you who drive on the left!) On my trip home, I use a bike lane near the right side of a very busy one-way arterial street; there is ...
5
votes
4answers
414 views

Grabbing the attention of the person ahead of you while bicycling

Normally you let the bicyclist/walker/jogger ahead of you know that you are about to pass them by shouting "passing" or even by just ringing the bell on your bike. This is done as a courtesy since ...
3
votes
7answers
1k views

Is it possible to get a light that is too bright?

This question is related to this recent question: Best ways to avoid getting hit by cars? I have a 750 lumens front head light - it's bright! Some of my riding buddies say it is too bright for the ...
1
vote
1answer
210 views

Safest position to ride on roads with cars

What is a hard and fast rule on where to ride within a lane, if one exists at all? I've heard people say that you should ride as far over as you can while avoiding drains, potholes, small children ...
4
votes
5answers
1k views

Is 32km possible to ride with my body condition? [closed]

My work place is 16km away from my home and the route I am traveling has traffic round the clock. I am planning to get a Kross K- 40 26T Multi Speed Bicycle to travel but I weigh 80kg and I am not ...
3
votes
1answer
167 views

bicycle pedal design specifications for threads

Where can I get information on the various different types of threads used in bike pedals as each manufacture has its own specifications? Different manufactures of pedals have different threads and I ...
7
votes
7answers
7k views

What is considered a good “safe biking distance” to bike to work?

I'm curious about what is the maximum distance you can live from work so that it's a reasonable biking distance. I am interested in biking about 30 minutes to work. It would be about 5 miles away. I ...
12
votes
3answers
350 views

What is the best way to approach train tracks?

I commute on my bike through an industrial area and cross many train tracks. They very in degrees: most are perpendicular to the road, but some have a very low angle. This question is two part: ...