Bicycles Stack Exchange
Bicycles Stack Exchange

Questions tagged [parts]

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.

431 questions
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votes
8 answers

How much do components really matter for a non-competitive rider?

I do not ride competitively, but plan on doing some longer distance rides (30+ miles). I've read that better components are lighter, run more smoothly, and last longer. Out of those three categories, durability (lasting longer) is the only one that…
Chris Morris
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24
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1 answer

Random piece of plastic

I have recently purchased a hybrid bike with suspension (not sure if that is relevant to this question). It came with two pieces of plastic. Any ideas what they may be for?
RADAR
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18
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4 answers

How are these plastic rings used on my Shimano disk brake mount adapter?

I boughtt a Shimano SM-MA-R160 Disc Brake Mount Adaptor for my bike. It came with these black plastic things in the lower right corner of the photo below. I have a bunch and don't know what are they used for: What are those plastic thingies…
Vorac
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14
votes
4 answers

Why is buying a bike as a whole cheaper than buying separate parts and building it?

At least in Indonesia it is. Know why?
user4951
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13
votes
1 answer

What are these tiny pieces of metal that came with my Giant TCR Advanced 2?

Last year I bought a 2016 Giant TCR Advanced 2. With the documentation in a small plastic bag came these two small pieces of metal with a spongy sticker on them. One is slightly curved the other is flat. What is their purpose?
Ben
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12
votes
3 answers

What is this rubber ring around the top tube for

I have seen these on a few bikes. What is the purpose :S
will
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7
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4 answers

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 sprocket set every year and a new chainset every…
ʍǝɥʇɐɯ
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6
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2 answers

Are factory parts the same quality as the spares bought separately?

After I have replaced chain and cassette, should I expect the replaced parts to last more, less or about the same? The rationale behind putting the weaker component in the factory may be that many bicycles are not used much, so also more cheaply…
nightrider
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6
votes
2 answers

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 regarding any frame, they just see the price and judge…
Starx
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4
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4 answers

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 while changing rims? Or is it really not that…
Starx
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4
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1 answer

What are those washers for?

I recently serviced my FH-RM66 and was surprised to find that the cones have a couple of washers in the middle. The cones are monolithic, so the weashers can't be holding it together or absorbing vibrations. What purpose are those washers serving?…
Vorac
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3
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0 answers

Why are kickstands so much hated by MTB bikers?

Possible Duplicate: Kickstands and mountain bikes Is it just around my country, or is this a global thing? Most bikers riding MTB specifically do not have kickstands. They simply drop a bike on the ground, or lean it somewhere, when they need to…
Starx
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3
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4 answers

Building up second hand frames to resell

I have built up a bike for myself recently and really enjoyed the process. Now my built is finished, I wish to work/build more bikes. I do not wish to do this full time or as my job, I would just like to work and tinker on bikes in my free…
nclsvh
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3
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1 answer

Unidentifiable metal bracket part I received with my tandem bicycle which didn't come with instructions.

Can anyone identify this part and where and how it goes before the bike buckles under us when being ridden I know its not a bottle holder as I have already installed those. Looks like a guard for something that has two screws close to one another
killjoy
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3
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2 answers

Where to get new front brake release for Fuji Sports 12

Any suggestions for where I can buy a new front brake release for my Fuji Sports 12 bicycle? What is the part formally called so I can search for it?
Zack
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