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.

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1answer
105 views

Will this adaptor fit my cranks?

Looking to adapt an old(er) set of FC-M952 XTR cranks to fit new chainrings (see here). Looking at this auction - how would I determine whether or not I can use it? If it fits I'd also need to buy ...
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1answer
645 views

Replacement parts for Trek 7.3

My bicycle was stripped of parts (both wheels, seat post and saddle) outside my house and I'd like to replace them myself as the shop is looking for a huge sum of money to do it. This isn't the ...
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3answers
427 views

How do I achieve a lower gear on a Norco Bigfoot with a 9 speed cassette?

I have 2015 Norco Bigfoot fat bike which has a Shimano HG-20 11-34T 9 sp cassette a with a Shimano Alivio RDM 4000 SGS 9 sp Rear Derailleur and a Shimano EZ-Fire EF 51 9 sp Rear Shifter. As I live ...
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1answer
4k views

How to accurately measure brake calipers?

So I recently bought brake calipers only to realize they didn't reach my rims. In fact they only go to about the midpoint of my tire. The calipers are similar to these : Did I just happen to get a ...
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1answer
1k views

Compatible front mech replacement for Shimano STX RC FD-MC36

I have an old 2000 Marin Riftzone, indexed gears, 3 rings at the front. The front mech (shimano stx rc) is seized and I want to get the cheapest solution to make it functional again. It doesn't do any ...
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2answers
3k views

will any shimano pedal fit any shimano crank?

I bought a second hand boardman cb pro mountain bike. It came with no pedals (as expected) but the guy gave me some 1/2 inch screw pedals, flat basic ones. But they don't fit. The screw diameter is ...
37
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4answers
49k views

What is the difference between brake cables and derailleur cables?

What is the difference between brake cables and derailleur/shift cables? When I look online for replacement cables I see "brake cables" and "shift cables." From the images they all look the same. ...
2
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1answer
134 views

Trying to purchase the correct handlebar faceplate bolt in advance for Schwinn S2713TR

My son has a Schwinn mountain bicycle and has lost one of the bolts to the faceplate that clamps the handlebar to the stem. Now I dealing with this by phone, and I'd like to purchase a replacement on ...
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1answer
658 views

How can you find parts for a discontinued bike - in this case, a 2004 Specialized mountain bike [closed]

I'm looking for the rear shock link for a 2004 Specialized FSR XC. Specialized doesn't have them; and so far I haven't been able to find that link anywhere! Can anyone guide me in the right ...
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1answer
75 views

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 ...
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1answer
1k views

Newbie Question: What do speeds mean on chains?

I'm shopping for a new chain, and I noticed some inconsistencies when discussing speeds. Specifically, speeds applied to the cassette refer to how many layer of gears it has (I presume). Speeds, when ...
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1answer
143 views

What are the key components to compare and contrast when deciding between hardtail mountain bikes? [closed]

Trek Stache 7 vs Cannondale Beast of the East 2 I'm trying to decide between what seems to me as almost two identical bikes. One is made by Cannondale while the other is a Trek. They are both ...
3
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1answer
398 views

Salvaging valuable parts from a broken vintage bike

I've got a 1971 Motobecane Club frame which is now about 1cm shorter than it used to be due to an unplanned merging of the front of the bike with the hood of a car which was in the process of turning; ...
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0answers
201 views

Adaptation of Regular Bike to Disc brakes [duplicate]

I have a DUNLOP SPORT DS 26 Bike. Here is a similar bike: I would like to add hydraulic disc brakes at both front and rear. But the frame or forks do not have anywhere I can mount the Calipers, and ...
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1answer
113 views

Swapping 1994-95 Diamond back sport response components out

My Diamondback sports response is from roughly 1994-95, The Shimano STX shifters are completely done on it. I would like to not purchase a new bike seeing that nothing is wrong with this frame. Is ...
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1answer
73 views

Name of a certain modern rear-derailleur part at upper end of pivot [closed]

Some derailleurs, particularly "old style" drop-out-mounted ones have a pivot whose upper end is a kind of combination joint: it has a bushing that allows the pivot to rotate, under spring action, and ...
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1answer
284 views

How to find compatable cassette for older Shimano

I have a 2002 Diamondback Oakpiont. The derailleur says c201. Is it freewheel or cassette? If it's cassette, the last gear seems to be the nut (12 notches). Here is link to the bike on Bikepedia. How ...
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2answers
82 views

Component(gearing) upgrade question

I'm a long time ultra-runner turned triathlete so please bear with me. I'm looking to upgrade to Shimano Ultegra 11sp components and currently I'm running on the stock components which are Shimano 105'...
3
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2answers
72 views

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?
3
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1answer
69 views

I slightly wrecked my bike - looking for parts - how do I start?

2003 or 2004 Specialized Sirrus DISC - my son ran into a parked car and now I need a new front wheel, rotor and fork. The whole thing is silver, Chromoly. I love this bike, it was a trusted commuter ...
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1answer
102 views

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

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 ...
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2answers
3k 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 ...
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2answers
2k 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 to ...
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1answer
336 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 ...
4
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1answer
291 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 ...
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1answer
145 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
959 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 ...
14
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3answers
2k 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 ...
6
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1answer
2k 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
47 views

Basic chainset compatibility question

I need to replace my chainset (42x34x22). Would a 42x32x22 be a compatible replacement?
14
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4answers
7k views

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

At least in Indonesia it is. Know why?
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2answers
266 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
74 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 ...
3
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1answer
266 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 ...
3
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2answers
3k 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 ...
7
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2answers
648 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 ...
3
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3answers
382 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 ...
4
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2answers
453 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 ...
0
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1answer
149 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 ...
2
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1answer
410 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 ...
3
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1answer
4k 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 ...
6
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1answer
319 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 ...
5
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3answers
322 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
629 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 ...
0
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0answers
139 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
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1answer
520 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 ...
2
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2answers
80 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 ...
3
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1answer
385 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 ...
3
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3answers
2k views

Would Putting BMX Bike Brakes on my Road Bike be Ok?

I am a bit of a bigger guy (260lbs) and I'm not too confident with riding my bike at higher speeds just yet. Mainly because I feel as though my brakes, (Stock V brakes that came with my Specialized ...
3
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1answer
709 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 ...

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