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

learn more… | top users | synonyms

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
114 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
145 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
104 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. ...
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
86 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
298 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
156 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
378 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
338 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 ...
5
votes
6answers
1k views

What bike/helmet camera resolution is needed in order to read licence plates?

Has anyone had any success with camera's that could resolve the license plate of vehicles that are near the bike? Look, the reason we legally have to have car insurance in most countries is because ...
2
votes
1answer
173 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
184 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
235 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
778 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
746 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 ...
14
votes
8answers
12k 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
408 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
204 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 ...
1
vote
0answers
119 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 ...
3
votes
1answer
156 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 ...
6
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
313 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: ...
20
votes
9answers
22k views

Safety vests: Yellow vs. Orange?

What are the factors that should affect whether my visibility will be higher with a "high visibility Yellow" vs. a "high visibility Orange" vest or jacket? It seems too simplistic to simply say ...
23
votes
8answers
6k views

What should I look for when buying a used bicycle?

I'm moving to a city where I can ride a bicycle to the grocery store, coffee shop etc. I want to purchase a decent used bicycle. I'm leaning towards a bike that's in between a "10-speed" or road-bike ...
3
votes
1answer
441 views

Do 16g CO2 cartridges have a shelf life?

I mainly use my road bike during the triathlon season and now that the season is coming back around again, I am finding some old, unused CO2 cartridges from last season (fall). I typically use 16 ...
2
votes
2answers
72 views

French handlebar fit

I have an Atax stem ('85 Peugeot). Original steel handlebars are 25 mm. Is it prudent to spread the stem to accommodate Nitto 25.4 randonneur bars?
18
votes
8answers
2k views

Why are battery-powered lights so popular?

Both on this site and "in real life", battery-powered lights appear to be at least as popular as generator-powered lights. I have always been slightly confused by this. To me, a generator-powered ...
0
votes
1answer
226 views

Will I break my Dahon Mu Uno?

I weigh around 220 pounds, the weight limit for the bike is 230 pounds, part of my regular ride is a long stretch of compacted gravel, I tend to thrash along being used to riding a mountain bike and ...
24
votes
9answers
5k views

Arguments for/against bike lanes?

What are the arguments for and against bike lanes? Can anyone summarize the best reasons they're good for and bad for cyclists and automobile drivers? For example, Are there some environments ...
13
votes
7answers
30k views

Carbon bikes make me nervous. Can you ease the tension?

Is it only me, or do Carbon bikes make others nervous! I realize that carbon fibre is strong, but for some reason, having a bike that isn't made out of metal seems like asking for trouble. My main ...
8
votes
9answers
4k views

Is standing up and pedaling on multi-gear bicycles a bad idea

After reading While pedaling standing up, bike crank gives in as if shifting, what is causing this? , I was thinking "one should probably not be standing up to pedal under normal circumstances". Is ...
1
vote
1answer
124 views

Visual inspection of wheel hub

I need to build a new bicycle (others are gone, stolen :( ). Good thing is, I have two spare wheels of decent quality in my basement. These old wheels took quite a beating though, when I was younger. ...
39
votes
14answers
11k views

Safest way to slow down a bike quickly if both sets of brakes fail

This may sound like a crazy question, however today in the wet my rear brakes decided to stop working effectively. It has been pouring rain here which makes the problem more apparent. I managed to ...
0
votes
3answers
175 views

Is my cassette or chain worn out?

I bought this road bike as my first road bike in 2011. I have not changed the chain or any parts on it since then and I bike on it almost daily. It's been running great, but sometimes I have trouble ...
12
votes
4answers
3k views

What hand signals work best for cyclists in the US?

I am looking for some guidance on what hand signals and strategies to keep me alive on the roads.
78
votes
31answers
26k views

How do I deal with a dog chasing me when I'm touring?

Once I was riding my road bike down a rural road. I heard barking over my shoulder and saw two dobermans running toward me. I can't think of a time in my life that I felt more endangered. I reacted ...
41
votes
13answers
3k views

What is the proper etiquette for overtaking a horse?

What are the general rules when encountering a mounted rider (on a horse) on a trail? I understand if we are approaching each other I would dismount, move to the side of the trail and allow them to ...
40
votes
25answers
8k views

How can I make my bike (and myself) visible at night?

By winter I will be commuting on my bike at night. How can I make my bike as visible as possible to all car drivers?
3
votes
2answers
334 views

Front tire skidding, resulted in a crash, any advice?

I have been cycling my whole life, and for about a year I have been doing 25km a day, without any problems. I got new Vittoria Rubino 23s tires a few weeks ago and I had no problems for 3 weeks since, ...
14
votes
5answers
2k views

Should I use lights in foggy conditions?

Today it was foggy, visibility was only slightly reduced, I already wear a high-vis on my bike but I am wondering if it is still worth me using my lights or is that overkill?
24
votes
12answers
17k views

Using a ski helmet for winter biking

I am curious if anyone uses a skiing helmet for winter biking? Would this be safe? Are skiing helmets designed to protect you from the same kind of accidents that you would have on a bike? My ...