The cogs (gears) at the front of your drive chain, connected to the cranks.

learn more… | top users | synonyms

0
votes
1answer
53 views

How do 55/34 chainrings shift

There are only very, very steep climbs here in the area. Instead of the standard 50/34 I would choose a larger big ring. What I'm worried about is how that would compromise shifting. Would there be ...
0
votes
0answers
19 views

(Dis-)Advantage of 2 chainrings / 3 chainrings [duplicate]

I think about buying a new mountainbike when sale is starting. Now my Problem is that my favorite mountainbike has only 2 chainrings with 36/26 teeth. I am used to ride with 3 chainrings and don't ...
13
votes
4answers
901 views

Why use multiple materials on chainrings?

Why is it that on a typical mid-level road triple crankset, the outer rings (larger rings) will be aluminum, while the inner ring (small ring) is chro-mo? It seems to me that if aluminium was good ...
0
votes
0answers
24 views

Which Shimano inner chainrings compatible with FC7700 (9s) crank?

I have a 7700 (9s DA) crankset (53/39), 7700 front and rear changers, and ultegra 12-23 9-speed cassette. I want to reduce my lowest gear, so I decided to swap the inner 39t with a 36t ring. My ...
2
votes
1answer
57 views

click noise from chainrings

I'm experiencing clicking noises when I put pressure on the pedals (either side). The bike is a CAAD12 105 (it has FSA chainrings). I've done some investigation to pinpoint the source of the clicking....
0
votes
0answers
28 views

Cannot find 42 tooth chainring for triple crankset [closed]

I have a Tiagra triple chainset on my touring bike, it is 9 speed and has a 130 BCD. all avenues save buying a new entire chainset have been exhausted including trying the local bike shops. any tips ...
1
vote
3answers
73 views

What parts needed with new chainring?

I've read that the chainring is that spikey gear wheel at the bike's pedals that the chain egages with. The teeth on that chainring are so worn on my bike that the chain jumps off depite adjusting ...
18
votes
6answers
24k views

Does this chainring need to be replaced?

Here is a closeup of my triple: All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
6
votes
6answers
9k 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 ...
4
votes
5answers
8k views

Why use 54T (or bigger) chainring?

In time trial races, I see people are using these big chainrings. Is 50/11 combination doesn't give enough top speed? What's the real advantage? I can only think of the negative, which is it makes the ...
1
vote
2answers
189 views

Hybrid bike - would like to switch to a single front chainring, what are my options?

I have this bike (19" size): http://www.bikesdirect.com/products/motobecane/elite_trail_x4.htm I'm doing some things to it to simplify it and reduce its weight for my city commute I've been doing ...
1
vote
1answer
44 views

What large chainrings are compatible with Shimano FC6603 crankset?

On my race bike I have a crankset FC6603. I want to replace my outer chain ring (My inner and middle chainrings are OK). But I cannot find an online store where they sell the outer chainring of this ...
-2
votes
1answer
49 views

How do I find chainrings? [duplicate]

I've got Sram x7 3x10 crankset, and now it's time to change chainrings. But I'm really confused about what should I choose: there are lots of options (e.g. here: http://www.chainreactioncycles.com/ru/...
2
votes
0answers
46 views

shimano fc4400 double chainring replacement

I am looking to replace my Tiagra fc4400 52t chainring, however it seems to be out of stock everywhere. Based on the parameters (130BCD, 52t) I found a few alternatives, however all of them are 10 ...
3
votes
1answer
38 views

Basic chainset compatibility question

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

Can I ride a triple front chainring with no front deraileruer

I've managed to strip the threads on my front deraileruer mechanism. Its off the bike now - can I ride it as-is until I locate a new front mechanism? The chain does stay on the front chainring where ...
4
votes
4answers
127 views

Inner chainring bent on 6 week old MTB

I bought a new Voodoo Bizango 2015 6 weeks ago. When I was out earlier I changed down and the chain somehow got wedged between the 2 front chainrings (It's 2x10) and bent the inner ring. I've read on ...
1
vote
1answer
226 views

Need Hidden nut for SRAM Force 1 chainring

I purchased a 50t Force 1 x-sync chainring. The SRAM install instructions say to place the hidden nut (thin item that has "teeth" on the outside that becomes "permanent" in the chainring once ...
3
votes
1answer
83 views

If chain/ BB/ casette are dead can chainrings and derailleurs still be OK?

I bought a brand new bike last May (2015 Brodie Elan) and proceeded to put 11,000km on it by November (cross Canada ride plus some commuting). Around the 11,000km mark I brought it back to the shop ...
1
vote
0answers
43 views

Chain vs seatstay with a 50T Chainring - BMX frame

I plan to put a 50T chainring on my bmx but I am afraid to have an interference between the chain and the frame. Does anybody know what is the critical distance between the seatstay and the chain so ...
2
votes
1answer
57 views

Shimano 105 - double chainring on triple chainset?

I ordered a middle chainring (39T) to change on my 105 5703 chainset. I didn't realise until it arrived that it specifies it is for a double chainset. Does this mean it will not fit on the triple? I ...
3
votes
1answer
79 views

Changing Shimano 105 triple chainset to compact

I'm looking to buy a used 2015 Cube Agree GTC Race. The only drawback is that it has a triple chainset, and I would prefer a compact. Which parts might I have to replace apart from the chainset itself?...
1
vote
2answers
67 views

Rear Cassette worn + needs replacing - what other components to replace?

I have picked up a bike (Specialized Allez) recently that has a very worn cassette from not replacing the chain for an extended period of time. Therefore am looking to change it. I was wondering what ...
6
votes
4answers
4k views

Can I increase my highest gear ratio?

I have a modern bike (ridgeback meteor '13) and It currently has a 21 speed shimano chainset. I find that going down hills (which I do a lot) and on flats I need a higher gear. Can I do anything to ...
1
vote
2answers
3k views

Mountain bike crankset chainring compatibility

I have a Shimano Deore LX crankset. I would like to replace the outer chainring. What manufacturer chainrings are compatible with my crankset ? My outer chainring takes all of the abuse, due to ...
1
vote
1answer
71 views

Are chainrings specific to double or triple cranksets?

I have a 2008 Specialized Allez with a triple crankset. The large and middle rings were getting worn so I bought replacements of identical tooth counts for them. However, after installing them I found ...
5
votes
2answers
255 views

How do I change the granny gear on a cheap Walmart mountain bike?

I have a cheap ($100) 26" Walmart mountain bike (Hyper Summit) that has a triple chainring (24,34,42). It appears there is no easy way to remove the granny gear since it has what looks like some type ...
2
votes
1answer
186 views

What needs to be changed if I put in a larger chainring?

My current bicycle is a 2013 Specialized Allez C2. It has an 8 speed rear cassette. If I swap the current chainring (50/32) to a larger one (52/36 OR 54/39), other than the chain itself, what else ...
0
votes
1answer
47 views

Trek 26" mtb disc, how to change up crank set /gear size? [duplicate]

What should I consider with regard to the front gear (derailleur) selector unit when changing up from a 42 to a 48 tooth crankset? I have changed a few similar cranksets but not done a gear ratio lift....
2
votes
1answer
203 views

Can I use a SRAM X0 Crank with Shimano XT chain rings?

I have a SRAM X0 crank on my MTB, and I want to buy some Shimano XT chain rings from a mate. Will they fit? Or is the BCD, Spider shapre, bolt size etc incompatible. All are 10 speed.
3
votes
1answer
275 views

Chain coming off with internal hub gear bike - why?

I have a Raleigh Caprice bike, about 7 years old, with sturmey archer 3 speed hub gears. There have been some problems with the hub gears in the past 9 months, which have been fixed by a mechanic. ...
3
votes
2answers
337 views

Converting triple crank to single or double

I got triple crank (44-32-22) and 3x9 speed drivetrain. What will I need and is it possible to remove some of the chainrings and convert the crank to single or double? Will I need new parts or ...
4
votes
1answer
306 views

Why is my electric bike 'clanking' under load?

I have a Giant Esprit Twist Power electric bike, which apart from not having nearly enough words in its name also has a problem related to the crank. When I put a lot of load through the pedals there ...
4
votes
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 ...
1
vote
2answers
430 views

How to change 2x11 to 3x11 on mtb

Hey I was wondering how you would change a chainset from 2x11 to 3x11 on a Carrera Fury (SRAM components) Thanks
2
votes
4answers
151 views

is this cassette and chain ring combination good in terms of number of teeth?

I recently bought a used bike which has a shimano alivio 8 speed gearset. When I look at the drivetrain, it really looks small to me. Below are the size of them in terms of the number of teeth: ...
7
votes
3answers
685 views

Do aluminium chainrings/cassettes contribute to chain wear?

In trying to achieve a long lasting, low maintenance drivetrain, I've read statements about aluminium oxide being the source of the black colour of chain dirt and also being highly abrasive: ...
4
votes
3answers
250 views

Could I use a 30 tooth chainring with my current crankset?

a few months back I installed a 34 tooth narrow-wide chainring in my Santa Cruz Bronson. I decided to install the 34 tooth chainring, basically, because I couldn't fit any other smaller chainring ...
2
votes
2answers
177 views

triple chainring with with single speed freewheel

I have a Hero Sprint Axis (with 18T freewheel).I ride mostly on flat roads, but want more top speed and a lower gear for starting from standstill. Is it possible to just install a triple chainring ...
3
votes
1answer
92 views

Shimano Sora 3500 (3x9) and Alivio front derailleur

Please help rebuild my bike :) I have Scott Sub 30 2011 http://www.evanscycles.com/products/scott/sub-30-2011-hybrid-bike-ec025449 and right now I would like to change shifters to Shimano Sora 3500 (...
10
votes
3answers
586 views

How do I tell if my cog needs replacing?

Two answers to this question gather that after 14335 km (8907 mi) of cycling with a single chain, the cog is at risk of being damaged. I haven't noticed anything unusual apart from the chain being ...
1
vote
1answer
240 views

Can I replace my Shimano outer chain ring with a SRAM?

I need to replace my outer chain ring. I am currently running a 50t, I'm pretty sure it's a 130 BCD. I am considering a SRAM Outer chain ring as a replacement. I assume as long as measurements are ...
1
vote
2answers
678 views

what is the biggest chainring I can put on my mountain bike?

I am going to do a 'gravel grind' ride with lots of elevation gain and want to be able to keep up with the cyclocross bike riders. From what I understand they have 46/36 chainrings. My mountain bike ...
2
votes
1answer
996 views

Are chain ring spacers a good solution to adjust chain line?

I recently converted my mountain bike from a 2x10 to a 1x10. I have a Shimano XT Hollowtech ii crankset and I like it a lot, but its traditionally a 2 speed crankset. When I'm in my 1st gear on the ...
1
vote
1answer
94 views

How do you remove the sprocket from an eighthinch splined BMX style crankset?

I have the EighthInch Freestyle Splined Crankset. These are very similar to profile bmx cranksets. I purchased a larger sprocket to use with the crankset. I've used a crank puller to remove the drive ...
1
vote
3answers
75 views

Campagnolo chainring bolt stuck to crank

I have a Campagnolo 11 speed Athena setup. I am enjoying a noisy creak which I suspect is located in my chainring bolts. I have replaced all of them, except the one that screws the chainring to the ...
2
votes
1answer
154 views

Front shifter has three positions, but front chainring is only double. Is this a problem?

My Merida Cyclocross 3 bike has a double chainring at the front. After a few weeks of being a little annoyed about the awkward shifting when going up steep hills, I realized that the front shifter and ...
1
vote
2answers
163 views

Can I install a double chainset on a bike that was originally designed for a triple chainset?

I have a BTwin Triban 3 which has a triple chainset that needs replacing. I am thinking of replacing it with a double chainset this time. Is this possible, or do I need new shifters and a different ...
3
votes
6answers
1k views

What is the easiest to upgrade my chainrings from a double to a triple?

I have a 2007 Specialized Tarmac Pro Double and I need some better gearing. I am doing more hill climbs and I feel that I need at least two lower gears than I already have. What would be the most ...
1
vote
2answers
396 views

Which chainring? Shimano M785

So I've never changed a chainring before. But the first step is finding the right one. I have a Cube Hyde SL 2012 . It describes the crankset as Shimano Deore XT FC-M785 Hollowtech II 42x26T., 175mm,...