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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4
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1answer
89 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
votes
3answers
415 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 ...
0
votes
0answers
42 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". ...
12
votes
3answers
570 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 ...
1
vote
2answers
94 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
votes
1answer
918 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
votes
1answer
137 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 ...
6
votes
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
votes
1answer
37 views

Basic chainset compatibility question

I need to replace my chainset (42x34x22). Would a 42x32x22 be a compatible replacement?
3
votes
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 ...
2
votes
2answers
116 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 ...
1
vote
2answers
60 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 ...
0
votes
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 ...
0
votes
1answer
44 views

Pedal Assist/7-12 speed hub/Electric DC Motor * Battery *Speed control *gears and chain

Can I make these work on my bike? I have a Surrey Stretch Limousine Deluxe (6 pedaled model) seating 9 adults and 2 children that I would like to add Electric pedal assistance along with adding a 7 ...
12
votes
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
votes
1answer
131 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 ...
27
votes
12answers
85k 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: ...
2
votes
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
votes
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 ...
7
votes
2answers
187 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 ...
4
votes
2answers
108 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
votes
1answer
244 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 ...
2
votes
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 ...
1
vote
3answers
677 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 ...
11
votes
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 ...
0
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1answer
43 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 ...
5
votes
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 ...
26
votes
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 - ...
3
votes
1answer
119 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
vote
1answer
61 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
votes
1answer
14k 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 ...
6
votes
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
votes
1answer
237 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. ...
1
vote
3answers
299 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
votes
2answers
473 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
votes
2answers
391 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 ...
1
vote
1answer
235 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
votes
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
votes
4answers
3k views

Building from scratch vs. buying new

What are the pros and cons about building a bike from scratch vs. buying it new?
15
votes
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 ...
-1
votes
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
votes
3answers
251 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
votes
1answer
84 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 ...
1
vote
3answers
5k 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 ...
0
votes
0answers
43 views

Label the bike parts [duplicate]

I guess this is probably the most stupid question asked on this community but I want to know about all the parts of a bike. I am a non-native English speaker and am finding it difficult to understand ...
2
votes
1answer
45 views

Bolts for Fox Float RP2

I saw my bolt was loose on my mountain bike, so I turned back home, but ended up losing it along the road. I had to walk the bike home because my rear shock (Fox Float RP2) to my bike (Gary Fisher ...
1
vote
0answers
32 views

3- 5 gear special gearset?

So, a while back when I was rebuilding my vintage Shogun 6-speed, I realized that I only use 2- 3 gears on my commutes to and from school, crew, and other daily rides. The next day, I went to my local ...
2
votes
2answers
2k views

Planning on building a fixed-gear/single-speed from an old Schwinn World. What new parts will I need?

I think I want a flip flop hub, to keep my options open. If I get one off amazon, do I need to buy a freewheel and fixed-gear cog as well, or will those come with the hub? Also, does the hub have to ...
2
votes
1answer
74 views

Stuck Bottom Bracket

I have an 80's Fuji bike and It's definitely well past time to replace the bottom bracket. The adjusting cup came off fine, but the crank side cup is super stuck. I've tried stacking lockring washers ...