15
votes
6answers
17k views

Does this chainring need to be replaced?

Here is a closeup of my triple: All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
14
votes
6answers
3k views

Mountain Bike on Paved Roads

I'm an occasional biker. I bought a mountain bike (nothing fancy) with the idea that I might use it off-road or on mountain trails (of which there are many here in Calgary). However, since I've bought ...
6
votes
7answers
4k views

I keep getting flats

I have been getting flats every 20-30 miles for the last 2 months. This has caused serious inconvenience to me, as bicycle is my preferred mode of transport to work and class. Details of the ...
5
votes
4answers
3k views

Chain skipping on some gears

I have an old cruising bike with 21 gears. A few months ago I was pedalling back home when my chain broke, and I was only able to get the chain replaced this week. After having it replaced I noticed ...
22
votes
8answers
54k views

How do on-road mountain bike speeds translate to road bike speeds?

When cycling on roads on my mountain bike, I generally get around 10-12 miles per hour on a flat surface. What sort of speeds can I expect to get on a road bike?
14
votes
2answers
579 views

What to look for in a Beginner Unicycle

Motivation: I'm a casual cyclist (I ride around 4 miles per day, to school and work and back) but I wanted to get into unicycling to casually cycle through parks and the like; nothing too extreme, but ...
12
votes
3answers
28k views

Upgrading straight handlebars to drop handlebars

I have a two-and-a-half year old Giant FCR 3 (with a road-bike-like frame and thin tires; it's somewhere in the loosely-defined "hybrid" range) that I use to commute to work, twenty-five miles ...
7
votes
5answers
33k views

My key jammed in my U-lock. How can I unlock/break it?

I've been biking for 2 months now with my U-lock still on my bike, it sort of gets in the way of pedaling sometimes and I'm kinda tired of it. Does anyone know of any ways to get the remnants of the ...
6
votes
5answers
2k views

Hybrid or Road Bike?

I was given a Raleigh Venture comfort bike as a gift a few months ago, and took to riding very well. I am overweight, but dropping quickly. I started at 275 and sit around 250 now after two months of ...
6
votes
6answers
5k views

Ever seen a locking bag that could be locked to the bike?

This might take a little explaining. I've got stuff on my bike that removes easily and could be stolen: head light, tail light, cyclometer. If I'm riding to a concert or something, I don't want to ...
4
votes
3answers
21k views

Heavier Thicker Chains and Gears for Winter due to Salt?

I have two bikes: one having gear-things outside and one with inner-hub. The gear-outside-bike has suffered a lot due to the salt during this winter, the other hilariously looks like a new one. I ...
2
votes
1answer
565 views

What types of BB-axle to crankarms interfaces are there?

On the lowest end, we have the taper/square interface. I believe it is standard i.e. there are no variations in the sizes. image property of VP Components USA Then there is the octalink. Actually ...
1
vote
3answers
856 views

Where is the proper location to measure the tube size?

I need to replace a tube in my bike. I know there are many tire sizes. I bought 26', assuming that my bike was that size, and realized when I got home that I didn't even know where to measure from. ...
48
votes
17answers
10k views

How to ride to work without sweating?

I'm planning on commuting by bicycle to work in hot Montreal, though this question is probably relevant to anyone who bikes to work in a city with temperatures above 20 degrees Celsius (68 degrees ...
59
votes
12answers
2k views

Is pollution a problem in urban cycling?

I usually ride a bicycle in Barcelona. I'm concerned about pollution and I take an anti-pollution mask. Of course, some people scream because they confuse me with Hannibal Lecter but currently that's ...
31
votes
7answers
7k views

What clothing is best for wet weather/cycling in the rain?

I tried wearing a raincoat to keep out the rain, but find I get hot and sweaty inside. So my question is, what clothing do you find works best for you when cycling in wet weather? Thanks.
15
votes
12answers
608 views

Where can I find local bike routes?

Where are the best places to find bike maps with local routes and trails? Places I typically reference when searching for this includes: Most local bike shops (LBS) have local maps available or for ...
33
votes
8answers
12k views

What cadence should I aim for?

I recently got a cyclocomputer that measures cadence and I'm not sure what a good speed is or what benefit I would get by altering my natural cadence. On good, level tarmac, I find myself doing about ...
9
votes
7answers
4k views

Bike Size to Human Size Conversion Chart

I am just shopping for used bikes right now online. I want to try and save myself a trip to visit the bikes by determining which bikes will fit me. Does anyone have an approximate height-bike size ...
31
votes
8answers
51k views

Which way do I orient my bike tire's tread direction? and why?

I have a mountain bike tire that has stamped on the side something like: <----------front rear-------------> Which seems like a pretty clear indication that the tire should be oriented in one ...
27
votes
7answers
10k views

Are there any scientific studies proving the benefits of clipless pedal systems?

Have there been done any scientific studies that proves that clipless pedals actually improve pedaling efficiency etc. over flat pedals? Clipless pedal enthusiasts are quick to say that you must use ...
22
votes
4answers
148k views

How can I tell which size chain my bike uses?

After learning how to break a chain and reattach it, and also how to add and remove a master link, I find that I can now do much more in the way of maintenance at home. I'll no longer need to bring my ...
14
votes
9answers
26k views

What should I be doing a week before a long distance bike ride?

I have a 50 mile bike ride in 1 week. I have been training for a while and I am trying to figure out, at this point, if I should be: Training hard, doing a few long bike rides to get prepared ...
35
votes
5answers
7k views

Should I change both tires when I need to change one?

I know that it's a best practice in a car to change all 4 tires if you change 1, although in practice, it's only done if 3 need to be changed. Does the same thing hold true of a bike?
21
votes
10answers
1k views

What to wear when it's cold?

If I put on heavy clothes it will be very hot inside them after the warm-up. If I wear only a T-shirt I'll freeze. What's the solution? I ride around 20 km in a hilly city, with temperatures between ...
20
votes
13answers
113k views

Can I use a cyclocross bike for regular road-biking purposes?

I want to race cyclocross, and I also want to ride some longer rides out on the road. Can I buy a cyclocross bike and use it for both cyclocross and some serious road rides (I'm talking century type ...
9
votes
2answers
564 views

What should I do to get an older bike into good condition

I recently bought a hybrid human/electric bicycle at a garage sale, and I've been working on getting it into usable shape again. It is about 10 years old, and needs some work. The battery was quite ...
37
votes
11answers
34k views

Can I use a Presta tube in a Schrader rim?

I keep losing pressure in my tires, and among other things, I'm looking at the valves in the tubes. It's an old mountain bike with 26 inch tires. Can I use Presta tubes on rims drilled for Schrader ...
25
votes
9answers
51k views

How often should I change road bike tyres?

My road bike has now done 500 miles, but unlike cars, I've no idea how often the tyres should be changed. It's used on normal road conditions. The brow of the tyre is now smooth. How do I know if my ...
22
votes
2answers
743 views

How to wash a bike properly?

I use my bicycle in a typical urban commute setting. No extreme MTB, but it still accumulates some dust and grime. How should I wash my bicycle?
12
votes
5answers
10k views

How much to eat and drink during a 50km ride?

I want to try a 50 km ride for the first time, to be completed continuously one morning. The most I've even done before is an 18 km (70 minute) each way commute (out in the morning and back in the ...
11
votes
4answers
3k views

What is the recommended type of tire for riding on wet pavement?

I am commuting in rainy Seattle, and the rain has started. Right now I have Continental Gatorskin tires on my commuter, but yesterday I noticed I was braking to stop the wheels and skidding quite a ...
23
votes
4answers
2k views

What should I look for in a good pair of cycling shorts?

I don't currently own a pair of cycling shorts. I just wear a pair of running shorts underneath some running leggings. I'm thinking of getting my first pair of cycling shorts, but as there are so many ...
23
votes
12answers
12k 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 ...
19
votes
2answers
857 views

Selecting the right crank length

What is the best way to determine the correct crank length for my height and more specifically my leg length?
16
votes
5answers
30k views

How to tell when to replace cassette?

How do you tell when it's time to replace a cassette? Are there any specific wear patterns on the teeth to watch for or symptoms specific to a worn-out cassette?
14
votes
4answers
824 views

How to choose a Local Bike Shop

I have moved yet again and I am trying to find a LBS that I trust in my new city. How do you evaluate a LBS given that you are paying them for services that you don't understand. (If you did ...
10
votes
5answers
912 views

Pros and cons of auto bike rack types

I just bought a car and my girlfriend has a similar car. We don't really want to scuff up the cars with the types of racks that use pressure points on the trunk. Neither car currently has a hitch at ...
9
votes
3answers
14k views

How can I merge two GPX files into one?

On a recent ride, my GPS stopped functioning about half way through. From other sources I have approximate times for the missing data and I know the route, so (in principle, though I'm really not sure ...
9
votes
3answers
7k views

Fixing noisy V brakes

My V brakes make a lot of noise when I brake!! I am annoyed by such noise not to mention the pedestrians. My Mechanic said that it will not make those noise after using for couple of days, but it is ...
29
votes
8answers
10k views

How long should a road tyre hold its pressure?

How long should a road tyre be able to maintain a pressure of around 100psi, and what factors are likely to reduce this time? Background: My tyre pressures are consistently dropping to around 60psi ...
17
votes
4answers
29k views

DIY Painting a Bike Frame: Is it possible?

I have painted a couple bike frames (think really cheap garage-find rebuilds) with varying degrees of failure. Can you help me correct/fill in the missing pieces of my frame painting process? ...
17
votes
22answers
17k views

What is a simple mnemonic for remembering the thread direction when removing pedals?

Given that pedal threads are different on the left and right pedals: the right side pedal has a right-hand thread (removes counterclockwise, installs clockwise); the left side pedal has a left-hand ...
16
votes
7answers
10k views

What is the biggest component difference between a cheap road bike and an expensive road bike?

I am shopping around for road bikes now, and I wanted to know what components to look for. I am not talking about the frame, carbon or otherwise, I mean types of shifters, brakes, cranks, rims, etc.
16
votes
11answers
804 views

Urban Cycling Safety Innovations

Portland, Oregon is one of several U.S. cities with a progressive bicycling culture. A couple of innovations the city has implemented are "bike boxes" and "sharrows". Bike boxes are road markings ...
16
votes
7answers
26k views

What is a reasonable speed for long distances on a bike?

I am curious what a reasonable speed to travel on a bike is. Speed will obviously vary based on the conditions in which you are riding. I am planning on taking the GPS out with me this weekend to ...
15
votes
2answers
2k views

Can cycling adversely affect male fertility?

Is there any evidence to suggest that cycling adversely affects male fertility?
15
votes
4answers
3k views

Should I buy a PVC or aluminum roller?

I'm currently trying to choose between the CycleOps PVC roller and the CycleOps Aluminum roller. How big of a difference is there between them? I don't really care about riding the roller outdoors, so ...
14
votes
10answers
10k views

How does a bike's weight affect the overall experience of owning it?

Naturally, carrying a light bike up the stairs is much more enjoyable compared to a heavier bike. Are there any other aspects of a bike which are affected by its weight? For example, would the weight ...
14
votes
5answers
20k views

Can cyclists legally ride on the sidewalk?

Can cyclists ride on the sidewalk? What if the road in question has no bike lane? If cyclists can ride on the sidewalk, does it matter which side of the road the sidewalk is on? I live in California - ...

15 30 50 per page