Frequent Questions
3,337 questions
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Terminology index - a list of bike part names and cycling concepts
This question and its answers list the names of bike parts and cycling concepts.
Some Rules
Make sure you only put one term per answer!
Try to include an image if applicable
Include sources that ...
47
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8
answers
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What is the maximum tire or minimum tire width I can fit on my bicycle
We often get questions on bicycles.stackexchange about fitting wider tires or narrower tires (for search - bigger tires, smaller tires) to bicycles. We have a large number of these with answers ...
31
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3
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Why shouldn't I care what model/make/year my bicycle is?
We often get questions on bicycles.stackexchange about identifying a bicycles manufacturer, model, make, and year. Often these questions are downvoted or closed -- usually with a comment attached to ...
22
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9
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How can I tell what year my bike was made?
This is a canonical question that will hopefully encompass all of the questions we get asking us to determine what year a bicycle was manufactured (how old is my bike, how old is my frame, etc.). Each ...
26
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1
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What do I do when I am unsure if damaged carbon fiber is safe to use or needs replacing or repairing?
Intended as a canonical answer to the many questions we have about damage to carbon parts.
It is well known that carbon fiber parts can be damaged and fail, and carbon parts can be fragile when ...
18
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5
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What is the purpose of a serial number?
It seems like pretty much everywhere I look, serial numbers can't do the things that it seems they should be able to do.
They can't help people figure out what bike they have.
They can't help at all ...
16
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3
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7k
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How are tire sizes measured?
I tried getting a good measurement with my caliper, but the flexibility of the tire doesn't help much. Let's say I have a 26"x2.125" tire. I know this fits on an ISO 559mm bead seat diameter ...
28
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6
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12k
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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 ...
22
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4
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6k
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How can one estimate drag for a bicycle?
I am curious how to estimate drag for a bicycle. This has two different framings:
Find the amount of power required to ride at a certain speed. That is, when one is traveling at a constant speed, the ...
3
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2
answers
50k
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How do you tell what brand/make/model of bike I have? [closed]
I have a bike I'm trying to sell because it's just been sitting in my basement. It looks as if someone primered it and the only thing I found was a serial number. Is there like a website I can look up ...
34
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10
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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 ...
15
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2
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Setting chain length
My chain broke and in a moment of silliness (I was cold wet and slightly annoyed) I threw the broken one away before thinking about measuring the new one.
Is there a guide to getting the chain ...
44
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11
answers
9k
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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 ...
41
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3
answers
8k
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What is the optimal cadence?
I have heard that one ought to turn the pedals at 90rpm. However, I do so much slower, especially while standing, and would like to understand the argument behind this number (or any other number). So:...
34
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29
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What's your most useful cycle accessory?
What is the most useful accessory you got for your bike? By useful, I mean something that improved the enjoyment or functionality of using your bike.
Note - I know this is a subjective question, but ...