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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Building a traveling bike, frames and components: where to buy in Europe [on hold]

I am about to either buy either build a bike for medium-long travels, and I am struggling with differences between the european and american market offer (I live in France). Talking about the ...
3
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2answers
103 views

What to do about a broken rear derailleur inner cage plate?

The chain on my road bike got caught in the rear cassette and as it snapped it broke one of the guide tabs on the inner cage plate of my new Shimano Ultegra 6800-SS rear derailleur. My two questions ...
12
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4answers
15k 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 ...
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0answers
38 views

How to remove old kickstand

I'm trying to cannibalize an old bike but am having trouble removing the kickstand: I've tried screwing the bolt counter-clockwise†, which indeed made it looser, but it's not getting loose enough ...
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1answer
89 views

What do the numbers on the mantle mean? [duplicate]

I've just removed the mantle of my back tire as it has a hole (probably cut by glass). I wanted to look for a new one, but then I realized that I'm not even certain which size it is. So I looked on ...
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1answer
65 views

Why are my quill pedal cages “wobbling”?

The plates and connectors on my old quill pedals "move around" in relation to the pedal axle itself: In the photo below, I'm pushing the pedals to opposite sides to show how the pedal cage "distorts". ...
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2answers
150 views

Headset can't tighten enough without stiffening steering, damaged bearing retainers?

I've just cleaned and regreased my headset (which is the stock Cane Creek headset on my bike). In doing it I've noticed that the bearing retainers are out of shape; they are not perfectly circular or ...
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3answers
144 views

Is there a collective name for the non-groupset parts?

I would like to estimate the price of a bike if bought in parts. One thing is the frame, that is easy. The front and rear shock can also easily be checked out as individual components. Tires A ...
4
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1answer
96 views

What do I need to know about this rubber stopper?

I recently bought a used Diamondback Sorrento. One day I rode it over a sizable bump and heard a popping noise. Upon inspecting my bike I noticed the following: As far as I can tell, I lost a ...
12
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3answers
424 views

Why are foot-long pedals not widely used?

A lot of effort and resources go into making cycling shoes stiff, presumably to keep the foot in a suitable shape and spread the force across the sole. It seems like it would be possible to achieve a ...
12
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3answers
599 views

What is this spring between the fork and the frame?

Sometimes on a bike I see a short spring, most often covered in rubber, connecting the fork with the frame: What is the purpose of it? The only thing that comes to mind is stabilising the fork so it ...
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2answers
118 views

How to remove pedal bolt with round, smooth head

I'm trying to take the reflector off of some old French track pedals but can't remove one of the bolts holding the reflector on because the bolt holding the reflector onto the pedal rotates with its ...
6
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1answer
938 views

Are Shimano 10 speeds going away?

My LBS claims that Shimano's 10 speed groups are going away forever. They told me that if I don't upgrade to 11 speed that my next replacement will cost me an arm and a leg because 10 speed components ...
3
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1answer
139 views

Is a long, high angle stem safe to use with a carbon steerer?

I purchased a hardly used road bike someone else had built up for a deal a few weeks ago, and am a bit disappointed with the fit - it's fine for rides less than a couple hours, but too aggressive for ...
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3answers
1k 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 ...
3
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1answer
38 views

Basic chainset compatibility question

I need to replace my chainset (42x34x22). Would a 42x32x22 be a compatible replacement?
3
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1answer
3k views

Is it possible to run standard mechanical shifting on a Scott Foil Premium frame?

The Scott Foil Premium is the highest end frame available from Scott Sports, and it is designed to run an electronic drive train, routed internally. The original reports were that this frame would be ...
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2answers
64 views

Why is there a koozie on this bike's chainstay?

A friend of mine recently purchased a used hardtail mountain bike. As he showed it to me, I noticed that there's what looks like a koozie wrapped around the chainstay, towards the rear axle. The ...
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2answers
52 views

Identify missing fender part

Let's play "identify the missing part"! While riding, something which holds the fender to the frame between the chainstays and just behind the bottom bracket fell off: Please help me make my bike ...
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2answers
5k 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 ...
4
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1answer
136 views

What is the logic to the order of Shimano Components?

I understand that the product lines (105, DuraAce, etc.) are ranked in terms of quality, and that last years high model drops to this year's low model. Could someone lay out the logic for the naming ...
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12answers
88k views

Why would one ever buy a 12-25 cassette when an 11-25 is available?

I was looking at purchasing a new cassette and chain. Looking at the available cassettes for SRAM components, there is a big variety of sizes available: 11-23: 11-12-13-14-15-16-17-19-21-23 11-25: ...
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2answers
58 views

1" threaded forks?

I have an old bike that needs a lot of TLC for it to be useable again. Whilst I am sorting it out, a half hour here and there, I thought I might sort out a few bits that I'd like to improve. Its got a ...
12
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1answer
8k views

Chart for bicycle component quality?

I'm not very familiar with all the different component groups available and wondered if there's a chart that ranks their quality (or price). So I'd know that Shimano 105 is the same level as SRAM ...
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2answers
191 views

Why are ball socket allen wrenches

Anecdotally, I see a lot of bike mechanics on the Internet use ball socketed allen wrenches. Is there an objective reason to using them over the 'regular' hex allen wrenches? Are there particular ...
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2answers
120 views

Seat Stay Replacement - Bridgestone MB-3

I am working to restore my first mountain bike frame, a "vintage" 1993 Bridgestone MB-3. Early on, I swedged the left seat stay so that it buckled a bit & rotated about 15 degrees inward. I have ...
6
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1answer
245 views

What Threadless adapter should I use?

I want to replace the quill stem on my Roadbike with a Threadless head post. The measurement shows about .8 inches. Does a 1 inch adapter mean it is converting to a 1 inch diameter or does it mean ...
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2answers
2k 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 ...
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3answers
711 views

Long Quill Stem?

I picked up a used mid 1990s Serotta Colorado CSI (lugged steel) bike. It is a size 54L which in Serottas from that era means it has a 54 seat tube but a 55 top tube. The size was not intentional, it ...
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3answers
13k views

Benefits and drawbacks of Dropper posts?

From what I've seen, the last couple of years saw a new product type come into light, and since its inception it has started to appear on bikes (such as this one, this one, or this one) as a stock ...
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1answer
45 views

Where to buy 2012 SE Lager parts? [closed]

Two years ago, I got hit by a car. I was fine, but my bike's fork and front tire were destroyed, so I got a new bike. Now this bike has been sitting outside for 2 years. If I wanted to replace ...
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3answers
3k views

Who else makes H-bar Loop Handlebars?

Jones makes a great pair of touring handlebars with a loop for mounting lots of accessories, but their prices are a bit steep ($120-$425). I'm building a mountain touring bike and I've been trying to ...
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6answers
5k 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 - ...
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1answer
132 views

Replacement of cup that holds bearings on huffy beach cruiser

I have a 1980 Huffy "Good Vibrations beach cruiser which has been in parts for a little while. I was able to find and put back together everything except I am missing one of the metal cups which are ...
1
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1answer
67 views

Low-height rear rack for Bike Friday New World Tourist folding bike [closed]

I'm looking for a rear rack for my Bike Friday New World Tourist (20" wheels). I've come across a bunch of rear racks like this one that sit high above the wheel. But I'm searching for one that is not ...
4
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1answer
15k 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 ...
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6answers
10k views

What initial improvements can I make to a Schwinn Sidewinder?

I bought a Schwinn Sidewinder from Walmart last night in a desperate attempt to get some exercise. I took it home and rode intensely for an hour, it was fantastic! I may be wrong, but I see bicycles ...
0
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1answer
241 views

Where can I find a Shimano cs50 stopper fixing bolt?

Somehow I lost a single 'stopper fixing bolt' on my down tube cable stop. I have a set of Shimano sm-cs50 outer down tube cable stops, and I don't want to buy new ones because I only need one bolt. ...
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3answers
300 views

Do shops that sell used bikes normally also sell used parts?

Background I'd like to buy some used bike parts. I don't want to shop online. I'm not very good at bike repair. I want to ask the seller if the part is the right shape and size to fit my bike. If ...
8
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2answers
479 views

Tightening a nut too much

Often guidance will be given to tighten a nut to "20 ft. lbs. (27 Nm)" or something along those lines. What's the best way to ensure you tighten things up, but don't over-tighten? Is there any way ...
3
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2answers
478 views

Can pedals not fit the crankset?

I just ordered and received my bike with FSA Tempo CK-200 crankset and Shimano Saint MX80 pedals (really good deal). Just received and it seems that they do not fit with crankset! The spindle on ...
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1answer
274 views

How easy is it to remove a seat with a dropper post?

I recently got a shop to install a dropper post on my mountain bike and just now realized that I have to take the seat off in order to fit it on a car boot rack. Is it straight forward to take it off ...
7
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4answers
12k views

Is it possible/sensible to add a suspension fork to an old mountain bike?

I have a ~1993 Giant mountain bike. It's not great, but I am a very new and casual rider. The bike has a solid fork and it makes for the predictable rough trail ride. The trails are generally ...
38
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4answers
4k views

Building from scratch vs. buying new

What are the pros and cons about building a bike from scratch vs. buying it new?
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5answers
6k views

How can I protect components from being stolen off my bike?

I had my bike locked up properly so that the frame and wheels were secure, but somebody stole the 8 speed and handlebars off of my bike. I don't understand how this can have more than a $10 resale ...
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5answers
1k views

Are there any parts I should replace on my SCOTT Metrix 20?

I've recently bought the SCOTT Metrix 20. I'm usually having 3 road trips per week of 30 km / 18 miles. My goal is a total of 3500 km / 2200 miles per year. Question: Are there any obviously weak ...
5
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3answers
252 views

High-end components [closed]

I'm wondering if anyone knows of any high-end components that are like Paul components. Not the pro-peloton stuff like SRAM and Shimano, but the, dare I say hipster components. I'm looking for ...
2
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1answer
92 views

Cannondale Trail SL 3 component upgrades

I have a 2013 cannondale trail SL 3 and some parts have been worn and look beat up so I'm planning to replace them. I was wondering if I can use a 10-speed rear derailleur on a 9 speed cassette and ...
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3answers
6k views

Difference between road & mountain drivetrain

Basically MTB and road bikes have different brand parts (like deore / XT; Sora / Utegra etc). What are the main differences between the 2 types, that will make it incompatible? Are there things ...