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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2answers
101 views

Buying Guides/Primers/Resources? [closed]

Background I find myself looking into buying a decent bike for the first time in my life (previous bikes having all been gifts or walmart specials). As such, I find myself trying to figure out what ...
7
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2answers
3k views

What is the purpose of the 'tire guide' screws on shimano brakes

On Shimano Ultegra and Dura-ace brake calipers there are round-head slot screws in the lower section of the brake pad holder. In the BR-6600 spare parts catalogues they are labeled as 'tire guide' (...
12
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5answers
519 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 ...
16
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5answers
737 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 ...
2
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2answers
759 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, ...
7
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4answers
342 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 ...
1
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2answers
1k 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 ...
2
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2answers
518 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 ...
5
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2answers
2k 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 ...
4
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3answers
2k 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 ...
4
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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 ...
5
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2answers
263 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
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3answers
985 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 ...
4
votes
3answers
2k 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 ...
4
votes
4answers
722 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 ...
2
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1answer
643 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
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1answer
224 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.
12
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1answer
1k 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 ...
9
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1answer
3k 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 ...
6
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2answers
114 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)
16
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1answer
791 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 ...