Bicycle components without which it's not a working bike: wheels, brakes, saddle/seat, bottom bracket, derailleur, stem, handlebars, bolts, etc. Also tag with specific part.

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7
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2answers
674 views

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike?

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike? It appears to be a set of relatively short but thick poles that go on either side of the ...
5
votes
3answers
1k views

Dia Compe Brakes for 1991 Bridgestone RB-T

I have a 1991 Bridgestone RB-T. This bike has passed through many hands so much of the stock parts are gone. The original Dia Compe XCE brake arms have been replaced by Dimension canti arms. My ...
2
votes
2answers
1k views

How can I move the handlebars on a mountain bike close to the rider without affecting handling and control?

I recently finished building up a mountain bike, with the help of a friend. My initial rides - a few miles, nothing too extensive yet - revealed that I need to move the handlebars a bit up and back ...
2
votes
2answers
566 views

How do I know if the tandem bicycle I've inherited is worth repairing? It has a serial # 459310 on it, no other identifiers

I've inherited a vintage tandem. It looks as if it has been spray painted, and has no identifiers, etc remaining on the frame. The serial # on the bottom reads -459310. Any ideas on a make or model, ...
1
vote
2answers
790 views

Cartridge equivalent spindle length for Shimano BB-6207 116 mm Cup and Cone Bottom Bracket?

I'm building up an old Terry bike and will likely pick up a NOS Shimano 600EX FC-6207 crankset. The corresponding bottom bracket for this crankset is the 116 mm BB-6207 cup and cone. However, given ...
7
votes
3answers
9k views

How do I choose a bicycle fork?

I'm putting together a bicycle on a budget from a frame I was given and various parts from a bike with a broken frame. The only part of any expense that I really need is the fork, and I want to get ...
4
votes
4answers
2k views

Does the price difference between a Brompton and a budget folding bicycle represent quality

I understand the difference between a cheap and expensive road bike as I have owned one of each. My question relates to an example of two polar-opposite folding bicycles; a budget £129 bike and a ...
2
votes
1answer
8k views

Shimano Chainring Compatability

In my previous question we determined that I probably need new chainrings. I was/am planning on replacing the chainrings, and leaving the original crank. Now this bike is running Shimano 105 FC-5600 ...
2
votes
2answers
378 views

how much can i raise my stem?

I've got one of these stems: It's currently fully inserted into the bike, and it's too low for me. Can I simply loosen it, raise it 5cm and tighten it again? What's the minimum length that ...
4
votes
2answers
1k views

Is torque relevant for steel/aluminium? Where do I find torque specs?

When you are not dealing with carbon, is torque relevant? I've never seen it mentioned on the hundreds of answers here, or the hundreds of how-tos I've read elsewhere. Should I just tighten ...
3
votes
3answers
835 views

What's the loss of effective output, with a worn chain?

I was just bought a new fine ultegra chain for 10 speed road race bike. This is actually the first new chain for this not so old bike. I am a fan of statistics, measuring power with a power unit on my ...
2
votes
2answers
2k views

Best value for money on aero wheels

I cycle to work three times a week over a distance of 13 miles in both directions. I do approximately 20mph most of the way there and back and I am looking for ways to speed up the commute. Having ...
8
votes
5answers
12k views

What kind of bicycles do they ride in the Tour de France?

I've been looking at a lot of the coverage of the Tour de France. All of the attention is on the cyclists, and no attention whatsoever on the cycles. Even in photographs or videos, they are so far ...
6
votes
4answers
302 views

Are there any drivetrain components designed and sold to last longer?

If a chain is only supposed to last 2000 miles, a rear cassette 5000 miles and a chainset only 10000 miles, then, at a modest 100 miles a week you are going to go through 2.5 chains a year, a new ...
10
votes
1answer
263 views

Understanding MTB Pedals

This question is bugging me for a very long time. Look at the picture below. Notice the area I have denoted with red circles. What is that? Does it represent something? Maybe something like ...
4
votes
2answers
241 views

How to select a good quality frame?

I have asked a lot of questions here, and most of times, the answers that I get is related with having a good quality frame. But, in my nation, store owner (or mechanics) hardly give any detail ...
2
votes
3answers
636 views

Where Can I Find a Single Right Front Crank Arm for a Tandem?

Among the bikes in my stable is a department store tandem that really isn't worth much, but would be enjoyable to ride with my wife. Like many department store bikes this one was not assembled ...
3
votes
3answers
1k views

Which type of handle bars are best for off-road & road use?

There are quite a lot of types of bars. Some best bit for aerodynamics, some best fit for control, some offer significant amount of positions. I am looking to change my handlebars to the best fit ...
3
votes
4answers
633 views

Aero Wheels, Velocity Wheels. Does it really matter?

Of course, they look pretty. But what I do not understand is: How will having taller rims or composite wheels improve a ride? Is the increase in efficiency drastic enough to make you think twice ...
6
votes
4answers
810 views

Suggestions for progressive upgradation of bike

I have one bike, which is pretty cheap. It's a Mid-Level Mountain Bike of Motache (I tried to find a picture but, no luck). But, now I want to upgrade this bike progressively and change it into High ...
16
votes
7answers
8k 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.
14
votes
5answers
7k views

Whatever happened to solid bike tubes?

As a child I had solid rubber inner tubes in my bike. They were a pain to get on but after I never had a flat again! Now I've recently started biking again and have had two flats in two days, each ...
1
vote
1answer
561 views

Name of part - Rear wheel spacer screw

I have a single speed bicycle which has a spacer screw that controls the position of the rear wheel and hence the tension of the chain. The screw goes through a small hole in the frame, which is ...
1
vote
1answer
201 views

Identify the components of this bike

I'm trying to identify, or find similar, parts on the bike in this video, specifically the front (three spoke) wheel, frame, and handle bars.
10
votes
2answers
8k views

What are the benefits of external bottom brackets?

Pretty soon, I plan to replace the bottom bracket on my early 90's Sakae Litage road bike. It takes a standard, English-threaded bottom bracket. Right now I think it contains loose bearings--I was ...
11
votes
1answer
929 views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
17
votes
10answers
3k views

How much does bike price correspond with maintenance needs?

In this question (with this answer) I asked about a commuter bike, which is to be ridden 40 km every weekday, in the city. And apparently for this scenario I can choose either of two possible kinds of ...
27
votes
6answers
4k views

What bike+equipment for a long daily urban commute?

In the (distant) past I commuted 6 km (more than half an hour) each way, on a cheap bike with big knobbly tyres. Soon I'll have a new commute: 18 km each way, daily. That's much further than I've ...
14
votes
2answers
2k views

Is there a practical gain from elliptical/oval chainrings?

I have seen competitive (amateur) cyclists with oval chainrings (front). What is the deal? Are they just for showing off, or is there a practical gain from it (different force transfer).
3
votes
1answer
363 views

Source an internal/hub derailleur for Bianchi Bergamo

Is this really such a novel piece of equipment? 2006 Bianchi Bergamo internal/hub derailleur I commute with a lot of weight on the rack and pop spokes in my rear wheel at least a couple of times a ...
5
votes
3answers
409 views

Where can I buy a wide range of used bike parts online?

Does anyone know of a reputable website that sells a wide range of used and second hand bike parts and components? I'm helping a friend rebuild an older commuter bike and we are having trouble ...
8
votes
1answer
2k views

Is there a downside to spoke protectors?

A few weeks ago, the derailer on my touring bike caught on the chain and ripped itself off the frame. (See the link below for more info on the incident.) The spoke protector was cracked in half by ...
11
votes
1answer
3k views

How is stem length measured?

How is the length of a stem measured? Where does the measurement start and finish?
11
votes
4answers
5k views

Differences between Biopace and Rotor cranks

On mountain bikes of a certain age, "Biopace" chainrings are ubiquitous. These chainrings are (purposely) not circular. It seems that most people today agree that Biopace rings didn't live up to the ...
6
votes
2answers
89 views

What factors affect the price of a chain?

Just like most bicycle parts, chains have a pretty wide price range. What are the factors weighting in on the price of a chain ? (Other than width/bike-compatibility characteristics)
4
votes
3answers
398 views

Upgrade my Globe Vienna for commuting and distance riding, or look for a new bike?

I've been cycling for about six months now, and am looking to get into some distance cycling and want to get my speed up on my commute. I currently ride a Globe Vienna ...
15
votes
5answers
585 views

Does anyone still use the old Brooks-style saddles?

About 30+ years ago I bought my first road bike. It had an old (used) Brooks leather saddle on it, whose design probably dated back to 1900 AD. To anyone who hasn't seen these, they look like a ...
31
votes
4answers
1k views

Building from scratch VS buying new

What are the pros and cons about building a bike from scratch VS buying it new?
17
votes
4answers
1k views

Equipping a commuter bike

My commute is a bit over 5 miles each way through the city. It's not that long a commute; in traffic, it takes about 35 minutes door to door, and I'm never far from public transit that I could use in ...
6
votes
12answers
467 views

Bike touring/camping tip(s)

I have a tentative first-time bike touring/camping trip in the planning stages and working out my set-up. I have a good idea of the essentials. My question is especially directed to those who have ...
3
votes
8answers
6k views

What are the parts needed to build your own fixie?

I've always wanted to build my own bike and I figured that a fixie has the least number of parts. Please post one part per answer. Please explain what I should be looking for in the part. Also please ...
21
votes
5answers
4k views

what makes a good entry level road bike?

I've been riding a mountain bike for years, but I prefer to go longer distances on paved ground, so I think a road bike would be better. When I ask what is a good bike, I don't need brands/models - ...
3
votes
3answers
2k views

Where can I find replacement screws?

I have a handful of rusty screws on my bike; where can I find such small parts?
24
votes
7answers
2k views

What should I look for in clipless pedals and shoes?

I am just thinking about investing in some clip-in pedals (and presumably shoes). I want to use them mostly on my older road bike but in the future I might want to move them over onto my mountain ...
6
votes
4answers
1k views

New, cheap mountain bike: What's most likely to break?

I have a very cheap (less than USD $100), new mountain bike I'm about to break in on a 2-4 hour ride on a mountain trail. I'd like to be prepared for equipment failures or problems - can anyone ...
19
votes
2answers
410 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?
11
votes
5answers
435 views

Lock for extremely frequent use

Are there lock products out there specifically designed for easy handling when locked unlocked dozens of times a day? I'm using a normal, chain-based lock at the moment and I'm annoyed because I'm ...
7
votes
2answers
249 views

Tightening a nut too much

Often guidance will be given to tighten a nut to "20 lbs of pressure" or something along those lines. What's the best way to ensure you tighten things up, but not to over-tighten? Is there any way ...
12
votes
1answer
626 views

How can I tell which road bike components/groupsets are better?

Shimano has new models of their groupsets every year but the lines generally keep the same names. This makes it difficult to figure out what year/version a particular bike has. Is there an easy way to ...
13
votes
9answers
4k views

Why is a proper road bike pedal preferred for road bikes?

I've been riding road bikes for a couple of years, but with mountain bike pedals, I've been thinking about switching over to a road bike pedal, but what's the reason? Is the performance improved or is ...