Questions about a bicycle's drivetrain system, including the chain, gears, chainring, derailers, etcetera.

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1
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1answer
423 views

Going from a 1x8 to 2x10 setup

After using my bike for a year I feel that although I enjoy the simplicity of a single chainring setup, I would prefer a more versatile 2x10 setup and would like to move to it. Currently the two ...
4
votes
5answers
1k views

Transmission (cassette/crankset) considerations for 1st road bike purchase

I currently have a touring bike, with fenders, rack, panniers, and so on. I currently run a triple crankset 28/38/48 and 9sp 11-34 cassette. I mostly commute and tour with this bike. And with a fair ...
4
votes
2answers
5k views

What's a good, reliable mountain bike drivetrain (1x10?)

I'm thinking about switching my Salsa El Mariachi 29er mountain bike from singlespeed to gears. I love the reliability and simplicity of the singlespeed, but I've been doing more rides that involve ...
0
votes
2answers
3k views

What components are required to upgrade from a 14 speed to 24 speed?

I made the mistake of buying a 14 speed bike... I live in WA so it's hills everywhere you turn, took it for a spin yesterday and while on flat surfaces it felt great, but taking hills or going down a ...
3
votes
1answer
3k views

Can I run 2x10 XT Shifters on a flatbar road bike with 105 10 speed STI components?

I want to run 2x10 XT shifters on a flatbar but still want use the 10 speed 105 components of the road bike would there be any problems?
31
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4answers
8k views

Why do bikes have their drivetrains on the right?

Every bicycle I have seen in my life has its gears and chain on the right side? Why is this? The only thing I could find regarding this question is this forum topic, which speculates about things such ...
4
votes
2answers
1k views

(Automatic Bike Project) amount of torque required to change gears?

I am planning to build an electronically controlled automatic bike transmission for my senior design project. I'm personally more of an electrical guy, so dealing with the mechanics is somewhat new to ...
-1
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2answers
203 views
2
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4answers
1k views

Replacing 42/52 crankset to 39/52 - will it make a difference?

I have several questions that arise from the fact that the current drivetrain on my old Peugeot road bike is pretty tough to ride when climbing up some steep hills: so I've got a 42/52 up front and 6 ...
6
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2answers
417 views

At what point does one need to replace a chain ring on a mountain bike?

The large chainring on my mountain bike is missing a number of teeth on one side (apparently the side I like to go over rocks on). Is it harmful to the drivetrain to ride without these if I'm not ...
0
votes
0answers
30 views

Problems shifting under load [duplicate]

I've spent hours with my bike on the stand. On the stand: it performs great. When I ride, I can cause the rear gears to shift just by changing how hard I pedal (the harder i pedal, the higher up on ...
4
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1answer
195 views

What is the name of the part by the right-hand pedal on to which the chain grips?

There's a part common to all bikes that resides by the right-hand pedal that holds the front sprockets upon which the chain grips? I'm aware that this part contains the sprocket or sprockets on to ...
3
votes
1answer
3k views

How to remove a Shimano Quick-Link?

I'm currently repurposing an old frame and replacing the drivetrain. If possible I'd keep the old 7 speed drive train the bike had together in case I ever find a use for it. The chain is an HG40 ...
3
votes
1answer
896 views

Can a 10-speed chain be used with a 9-speed cassette?

I have an extra 10-speed chain I would like to use with a 9-speed cassette on my mountain bike. Will this combination work ok?
1
vote
1answer
732 views

What components are recommended for entry level mountain bike?

I am looking for an entry level mountain bike. I plan on using it on real mountain bike trails, not just unpaved trails and greenways. Specifically, here's what I'd like: good shifters/derailleurs ...
4
votes
2answers
971 views

Weed-eater bike conversion - Safe rpm?

I've recently started working on retrofitting an old bike with an even older weed-eater engine. The engine will sit atop a bicycle rack and directly drive the rear wheel tire (engine has a built-in ...
1
vote
1answer
158 views

No more chainguide from Sram?

I remember I saw somewhere new Sram system that does not require chainguide. Don't remember the model, but could you please tell me more about it? How does it work?
2
votes
2answers
970 views

Can I use a SRAM PC850 chain on a 6-speed bike?

I want to buy a chain for a 6-speed bike. I know SRAM chains have the special link, meaning that no tools are needed. I've seen a very good deal on the SRAM PC850 chain, but their website lists this ...
13
votes
4answers
932 views

Minimal effort chain cleaning

One of the main reasons I eventually give up my bicycle commute in winter is that keeping my bike -mainly the drivetrain- clean despite all the rain/dirt/salt/hail/snow becomes too much of a time ...
7
votes
4answers
14k views

Bike is shifting on its own

Ever since I got my bike (Surly Long Haul Trucker), it has been prone to shifting on its own. This is almost guaranteed to happen when I stand up on the pedals, and happens regularly when sitting as ...
3
votes
1answer
762 views

Should I remove the chain before installing new rear derailleur?

I want to put a new Sram X7 instead of killed one, should I open the chain (if I have no chain lock) or it's better to open the derailleur?
1
vote
1answer
468 views

FC-M330 replacement

I have a Trek 4500 with a Shimano FC-M330 crankset. I need to replace the crankset and was hoping that someone could tell me the current replacement. I believe that I have narrowed it down to the ...
2
votes
1answer
746 views

Are these chainrings the reason my chain skips/hops?

When I ride my bike normally, then chain skips like crazy. I know it skips in the front because I stuck some paper in the chain to see if it moved and it didn't. Chainrings:
2
votes
6answers
3k views

How does a two wheel drive bike work?

A two wheel drive bike is a bike without a motor that can still turn. The front and back wheel both get power. How does a bike with this type of drivetrain work?
4
votes
3answers
2k views

How to: Sram 2x10 to 1x10

I'm thinking on converting my Sram transmission 2x10 to 1x10, this is with a single chain ring. My biggest doubt is how to prevent cross chaining, do I need to get a special chain or how do I prevent ...
5
votes
3answers
13k views

Can I replace chainrings without replacing the rest of the drive train?

I now ride a 60cm SurlyLHT with chain rings at 26/36/48t. Can I replace with a smaller set at 22/32/46t (or similar combination) without having to replace the entire drive train - cassette, rear ...
0
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2answers
2k views

Chainline Alignment Front and Rear

Although I have read Sheldon Brown's All About Bicycle Chainline article I'm still struggling to understand a key point. If you are running a different chainline to the manufacturers (new crankset) ...
0
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2answers
4k views

I need help on how to make my bike faster [closed]

Hi Just wanted to ask how to make my bike faster. Do I change the front chainring to a larger one, if so do I have to get a whole new drive train or can I just get another shimano large ring. Can I ...
4
votes
4answers
8k views

Why are there almost no bikes with a single chainring?

Bikes with two or three chainrings are the norm, and then there are singlespeeds, but except for kids' bikes, you see almost no stock bikes with a single chainring in front but a cassette and ...
11
votes
3answers
2k views

How to avoid wearing out gears?

I have a Specialized Tricross which I bought new last year. In that time (approximately 1K miles), I wore out my chain and gears. At least two of my gears are still slipping, even with a new chain. ...
3
votes
3answers
2k views

Why is my chain riding up and skipping teeth on the freewheel?

Due to a number of reasons, I would like to keep my freewheel at all costs (It's a Sachs freewheel, the bike has all sorts of more 'vintage' components, and they're hard to come by). From reading all ...
8
votes
1answer
276 views

How far off a chain line can I go?

I'm struggling to find a replace crank set to replace the SR Suntour set that came on my bike. The chain rings were riveted together so on bending one I had to replace the set. There's very few 7 ...
1
vote
2answers
692 views

How do I take apart the axle and freehub on this bike

I have a long wheelbase recumbent built by Sun Bicycles. There are some complications with finding out what kinds of components went into the interior of the bike. Brakes and shifters have their ...
2
votes
5answers
1k views

Six speed chain on an eight speed bike

So in the shop they asked me "what chain do you need" and I said 7. They said "you could try this 6-speed, it is half the price of a 7, and we put it on 7-speeds all the time". I said "ok", only to ...
4
votes
3answers
2k views

Front derailleur sticking, not shifting. Will soaking in solvent damage parts?

I've got an older deore lx front derailleur for a mountain triple crankset. It wasn't shifting properly, and it seems that it's sticking and not returning back to a neutral position when I shift it. ...
3
votes
1answer
536 views

When Installing chainrings which are pinned, how should I orient the chain drop prevention pin?

I'm setting up a double crankset with a new front chainring which is ramped and pinned. How should I orient the outer front chainring with respect to the chain drop prevention pin? Should this line ...
3
votes
2answers
794 views

Is there a Campagnolo / Shimano compatibility issue for friction shift systems?

I know that for indexed systems, mixing campy and shimano parts is a no-no. Does the same hold for friction drive trains? The reason I ask is that I've never worked on campy parts before and I'm ...
2
votes
2answers
1k views

Can I use a derailleur hanger in my old frame?

I'm trying to adapt an old '83 Fuji Del Rey frame with the parts of my broken '86 Fuji Espree and I'm having problems adapting the Derailleur. The Del Rey frame doesn't come with the little hook ...
1
vote
1answer
747 views

Need help choosing compatible rear derailleur, cassette & chain

I just "inherited" a bike that has no rear derailleur or chain. It also looks like the cassette is pretty worn, so I'm thinking about replacing that too. I've looked around on the forum and I think ...
16
votes
2answers
3k views

Is there a practical gain from elliptical/oval chainrings?

I have seen competitive (amateur) cyclists with oval chainrings (front). What is the deal? Are they just for showing off, or is there a practical gain from it (different force transfer).
0
votes
4answers
2k views

“Clacking” noise coming from drivetrain

I have a 2005 Specialized S-Works Tarmac with Dura-Ace components and Mavic Ksyrium SL wheelset. I get a "clacking" noise coming from the drivetrain area only when pedaling forward. I say ...
3
votes
1answer
312 views

Should I have a spare cassette or a spare wheel?

I have a road bike that I use for triathlons as well as club rides in the evenings and on weekends. I don't have the bike in front of me, but the range of the cassette is on the low side. I'm more ...
6
votes
3answers
948 views

Is it possible to use road-style brifters with an internal gear hub?

I have a touring bike with road-style Shimano brifters, which I love. I'm also very intrigued by internal-gear hubs, but these hubs seem to focus on rotary or push-button shifters. Is it possible to ...
2
votes
2answers
152 views

Is there any reason to keep original drive-train components together until they can all be replaced?

I broke the master link in my chain a while ago and my LSB told me it was because I wasn't cleaning/lubricating my chain often enough. The chain had experienced more wear than it should have as a ...
4
votes
3answers
733 views

Thread locking fluid on fixed cog

I just recently got a single speed with a flipflop hub and got the bike shop to switch it to the fixed cog. While riding around, the gear came loose on the back hub and almost flung me off so I had ...
1
vote
2answers
4k views

Will 10 speed cranks work with an 8 speed freewheel?

I'm looking at building a road-bike, and I've just purchased some wheels with campagnolo hubs, with an 8 speed freewheel on the back. Can I use Campagnolo Daytona / Veloce cranks on the front? I ...
9
votes
3answers
2k views

What's the point of removing the excess oil after lubing the chain?

There is a very strong point in bike-mechanics culture, which I've seen in very competent answers here, too, to apply one drop of lube in every single roller of a clean chain, and then (!very ...
30
votes
5answers
9k views

Perfectly setting up gears - how?

Every time I have my bike serviced, the bike shop sets up the gears on a stand in their workshop. The gears change perfectly on the stand, but when the bike is on the road, the rear derailleur doesn't ...
1
vote
5answers
4k views

Can a worn drive-train be upgraded incrementally or should it be all at once?

It seems like I have a worn drive-train (sad trombone previous question) and should think about improving it. I'm a little leery about throwing good money after bad into a used bike. Must I buy a new ...
2
votes
3answers
16k views

Will it cause problems if I use components from different series?

If I set up a bike with: 10-speed tiagra shifters 10-speed dura ace read derailleur 9-speed 105 front derailleur Will it cause problems if I use components from different series? (All of these are ...