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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.

3
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2answers
146 views

What type of rear derailleur is used on my bike?

Direct mount or hanger mount? Sooo, one glance at these photos will tell you why I'm asking this... Needles to say, I need a new one and I'd like to know what I should be looking for. It's for a 21-...
0
votes
3answers
133 views

I'm looking for a part that connects the saddle to the body frame of the bicycle

I recently removed the saddle because it was squeaking a lot, then I cleaned the inside and put oil back in, however I couldn't re-attach the bar under the seat to the body frame, then I used this ...
2
votes
1answer
99 views

What is this crank part called?

I recently had a Shun SS-8001 crankset fail. When taking it apart, I saw that the right pedal has a sort of stop ring that prevents the pedal, presumably, from unscrewing itself: Now I need to find a ...
0
votes
0answers
55 views

Broken part on Scott Genius 10 and replacement question

I have a Scott Genius 10 from 2009 and have broken the part of the frame where rear brake gets attached. I was wondering if anyone knows whether Scott Genius 20 or Genius 30 replacement parts from ...
2
votes
1answer
66 views

How do I figure out what crankset replacement will fit my derailleur?

I have a bike with a Shimano FC-M560 crankset in the front which I want to replace. I naively bought a Shimano FC-TY301 crankset, thinking that there's norms and that 3-speed cranksets are more or ...
3
votes
1answer
132 views

How can I un-seize track nuts?

I bought a set of these about 18 months ago now and for a little while they continued to work as they should but then now they're seized up. Is there anything (short of ordering another pair) I can ...
1
vote
1answer
28 views

Is it possible to replace this quick release part on a Motiv Rockpoint?

My son has been using this bike, and the other day he came home with a bolt that had come off. I checked it out, and it looks like there's also another part missing—the other end of the quick wheel ...
4
votes
1answer
285 views

Repairing Shimano front shifter ST-EF41-L

My son's bicycle gear shifter SHIMANO ST-EF41-L (front 3 speed) malfunctioned (Both levers became free). I disassembled it and found 3 very small plastic parts on the bottom side of the shifter were ...
2
votes
0answers
90 views

what is this piece of plastic? [duplicate]

Preparing to move, I found this together with the papers I got when I bought my bike. But what is it? Is it important? It is about 2cm long. I have four of these... Maybe related to the disk brakes? ...
0
votes
1answer
83 views

How can I fit this bottle holder to this bike?

I want to fit this bottle holder on my bike but the attachment seems too thin for the frame tubes. I believe this is a universal bottle holder and my bike isn’t of unusual size or tube girth. Am I ...
1
vote
1answer
106 views

Should I get a smaller chainring or bigger cog?

I built a single speed bike about a year ago, and am starting to change out parts to make it more comfortable for me. The first thing I'm wanting to change is the gear inches, which I didn't give much ...
0
votes
1answer
83 views

How to date my second hand bike [duplicate]

I am trying to get an online reference to the exact specs of my second hand bike. What are a) Some good techniques/things to look for? b) Some resources to help the dating process. E.g I see that ...
0
votes
3answers
156 views

Correct clamped quick release lever direction

Which direction is the correct way for the QR lever to point when closed and why? I have found both upwards and backwards on different parts on the SRAM website even for the same forks. I have ...
0
votes
2answers
72 views

New 2012's Sora 3500 vs used 2003's 105 5501

I am preparing my bike for a 2000 km trip. I have an old and used ~2003 hybrid bike with 105 derailleurs and want to change the current horizontal handlebars to road ones, so I have to change cables ...
3
votes
1answer
82 views

Electric road bike - Compatibility questions

I am building an ebike on a road frame. I am using a Bafang G310 rear hub motor & 8 Speed Shimano cassette. I plan to use a long MTB rear 8 spd derailleur (either Acera or Alivio). For my crankset ...
3
votes
1answer
135 views

Missing mtb bottom bracket cable guide screw?

2016 Diamondback Haanjo Comp I was giving the bike a bit of a wipedown today and noticed a missing screw on the bottom. I've been unable to find any specifications such as this from DB. Can I ...
2
votes
2answers
143 views

What shifters are compatible with the 8 speed cassette and Deore derailleur on my Trek 6500 ZX?

The top half of my right shifter fell off on a trail the other day, so I need to replace it, but I'm not sure what my options are. The bike is a 1997 model Trek 6500 ZX with an 8-gear rear cassette ...
2
votes
0answers
50 views

How to find a model number that replaced an old Shimano part

Is there some listing of Shimano component model numbers that can help me find a currently-manufactured part that is equivalent to an old model number that is no longer being manufactured? In ...
4
votes
1answer
49 views

Need help identifying Industry Nine part

I recently picked up a box-lot of Industry Nine parts, including the items pictured. They are 92mm wide, and of varying diameters. Could someone please tell me what they are, and what they are used ...
2
votes
2answers
632 views

Determine which cage length on Shimano Ultegra 6800

How can I determine which cage length is on my road bike? I have a Shimano Ultegra 6800 groupset, with 11-28 casette and 52-36 chainrings. I found this resource, however, I measure 60 mm between the ...
0
votes
0answers
57 views

Carrera Virtuoso Road Pro 2008 Tyre identification

I don't suppose anyone knows the make and model of this tyre? These allegedly came as OEM on all Carrera Virtuoso Road Pro circa 2008, the Black and Blue Road Pro model. This has been bugging me as I ...
2
votes
2answers
89 views

Can anyone help me identify this stem binder nut

This nut (pictured) fits the binder bolt from a vintage 3ttt stem. I would like to know the name of this nut, or the type of nut this is so that I can try to buy more. So far, I've found similar ...
0
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2answers
164 views

How much of a mark-up do you pay building your own?

So, I have read the pros and cons question, and the why it is more expensive question, but I didn't notice anything on how much more expensive it would be. So, if I want to buy a high-end bike a ...
1
vote
1answer
123 views

Track cog threading or lockring threading?

On the website of a wheel manifacturer, I can find the following specs about the cog compatibility of their track wheels: Our track hubs are then compatible with threaded track cogs of Shimano 1....
3
votes
1answer
65 views

Correct spring for 2018 RockShox XC30

I just got a new Cannondale Trail a few weeks ago (March 2018) and it came with RockShox XC30 100mm travel 29" wheel front fork. I'm heavier than the average rider so I need the XFirm spring for it. ...
1
vote
2answers
114 views

Quality saddle and seat post

I own Scott Voltage YZ 25 for around 10 years. I've been using it daily (city ride mostly). Around 6 years ago, my original saddle, and seat-post were stolen, therefore I had them replaced, but not ...
2
votes
2answers
61 views

Campagnolo and Shimano compatability

so I have some 9 speed campy shifters and a 9 speed shimano wheelset lying around, I'd like to know if they can work with each other so I can save some money as I'm planning on building/ upgrading a ...
1
vote
3answers
145 views

Upgrading priorities

What is the first component upgrade to a 105 groupset? do I need to stick to Shimano? The crankset is Oval Concepts 520, forged 6066 arms, 52/36T. The bike a 2016 Fuji Altamira 1.3, STI 11 spd, ...
3
votes
4answers
1k views

Help selecting between wire/folding tires

I’m hoping someone can help me decide whether to go with the wire bead type or foldable Kevlar. What are the advantages/disadvantages of each? The bike is an old Fuji that originally came with ...
2
votes
2answers
108 views

Seat Post Binder - Fuji CF1 - circa 2008

I'm looking for a replacement seat binder for a 2008 Fuji Aloha CF1 - The one I had cracked and will no longer work. I have contacted Fuji but they politely laughed at us! Most shops looked through ...
4
votes
1answer
63 views

Can I upgrade a Norco Yorkville for a 260 pound rider plus cargo?

Hello I have a 2017 Norco Yorkville. I was breaking rear spokes so bought a better rim with tougher spokes. Now my suspension seat post is wobbling. What else can I upgrade on the bike for a 300 pound ...
3
votes
1answer
116 views

Changed chainset, bottom bracket, wheels and cogset and find these parts left over, and the rear wheel clicking?

I just changed the crankset, bracket, wheels and cogset (my first bike repair obviously) on my specialised tricross, and after my victory tea realised I had these three bits left over, and not sure ...
2
votes
2answers
541 views

What is the name of this small component inside Shimano Tourney STI

What is the name of the component outlined in red in the image, that seats the head of the brake cable?
27
votes
4answers
9k views

What is the foam tube on the top of bmx frame for?

What is the foam tube found on some bmx bikes for? Here's an example: Besides for advertising, I'm guessing its there to save biker's legs when doing tricks, but I could be wrong, because I've seen ...
2
votes
3answers
556 views

I just bought a Giant TCX SLR 2, but I still have money to spend. Which parts should I upgrade?

I am new to bicycling. I bought this bike because it had good reviews and ratings and it fits the area where I am living. I am not intending to use this in a cyclocross race, but maybe in the future. ...
6
votes
1answer
934 views

What is the black piece above the bottom bracket on this bike?

I came across the 2018 Specialized Diverge road bike. What is the little black piece attached to the downtube and seat tubes?
0
votes
1answer
200 views

Panniers on front suspension forks [duplicate]

I currently have four panniers (two front, two rear) on my touring bike and plan to purchase a new touring bike which comes with front suspension forks. Is it possible and if so, safe to add front ...
3
votes
1answer
184 views

Handlebar stolen along with gear shifter and brake triggers. What to do how much am i looking to spend?

So live in Redfern, Sydney, Australia. I keep my bike at my dad's and he asked me to lock my bike near the police station for a while because he was fixing up his apartment. This was before I left on ...
0
votes
0answers
132 views

What's this speedometer?

Does anyone know what the name of this speedometer is?
2
votes
1answer
191 views

Road bike commuting

I have a road bike (Orbea Aqua T23) on which many of the components are coming to the end of their lives. As such I'm replacing most of them, and was wondering what people thought were good mods to ...
0
votes
2answers
665 views

How do I differentiate the many varieties of brake/shifter cables?

I am fixing several old road bikes (all with stem shifters) and I have noticed an abundance of different types of brake/shifter cables. One set of cables that purchased I had to file down to make them ...
3
votes
3answers
99 views

Recommended transmission for a commuting bike

I want to get a new transmission group for my bike and I'm quite confused, so I'd really apreciate some help from the community. Here's some context: I own, since last October, a Giant Escape 2 (...
0
votes
2answers
880 views

How to know what size bottom bracket to buy

I feel like I'm missing something and can't figure out what size bottom bracket to buy. I'm planning on building a bike and am picking out all the parts before I buy them. I am planning on buying a ...
3
votes
1answer
242 views

Can I buy an aluminum seatpost with a chromoly frame

I'm starting to plan to build a bike and am looking at parts. I found a frame I like (Poloandbike CMNDR frameset) which is chromoly, but am now trying to find a seatpost to go on it. I believe the ...
2
votes
1answer
384 views

Hydraulic Disc Brakes Not Locking Up

So as the title says my disc brakes are not locking up. They are gripping but not locking. My older brakes were leaking and i changed them with Shimano Deore BL-M596. I have searched online and found ...
1
vote
1answer
249 views

Cannondale SAVE frame technology in entry price [closed]

I'm wondering if the so called "SAVE" technology from Cannondale makes any difference in the enry-mid price such as Cannondale Trail 4? (they publicize as a micro-suspension technology). In concrete ...
1
vote
1answer
792 views

Name this small red plastic bicycle part

Please help me to identify this part. The pictures show rear wheel. UPD: It is more like an adaptor to connect to the bicycle.
13
votes
1answer
1k views

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 ...
1
vote
1answer
283 views

Replace / Repair Diamondback bike stem

I have a Diamondback Edgewood 26" hybrid bike. I believe it is a 2008 model. Mostly it's a great bike and it certainly serves my needs right now. However, the stem has become loose so the ...
1
vote
1answer
315 views

Can and should I sell a bike without wheels?

I know it is quite easy to sell a road bike that's ready to ride away, as sites like eBay are full of them. But how easy, practical and lucrative is it to sell a road bike minus the wheels? Why do I ...