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

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2answers
29 views

Race Face Crank/Chainring Compatibility

I have a Race Face Evolve DH crankset which takes 104 BCD chainrings. However, I pulled a 104 BCD chainring off a Shimano Acera Crankset and the rings don't interface properly with the Race Face ...
3
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1answer
42 views

'1 1/8' vs '1/2 1/8' chain/chainring

Some 1/8 chains and chainrings are sold as "1/2 1/8" and some as "1 1/8". What is the first number describing? My understanding is that practically all modern chains have a 1/2 inch pitch.
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2answers
76 views

What gears should I go for?

I have a Trek road bike (although you might call it a hybrid since it has straight handlebars. I do about 3,000 miles per year on it for general health reasons (up to 30 miles at a time and averaging ...
1
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2answers
77 views

Should I switch to a smaller chain ring?

I am back to cycling after 7 years absence due to injury and time commitments. When I started 3 months ago I weighed 20kg more (105 kg in total) than when I stopped. My target is to build fitness ...
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5answers
664 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 ...
6
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2answers
293 views

Can I replace a middle chain ring with one with different number of teeth?

I recently upgraded my wife’s bike with a Shimano XT triple crankset. The number of teeth is 44.32.22t. However, the middle chainring on the recent XT crankset is carbon-reinforced, and I’d prefer not ...
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2answers
58 views

cannondale cadd10 105 crankset replacement

I had a terrible crash on my Cannondale CADD10 105 (11spd) and wrecked the crankset (the bigger ring bent). It is FSA Gossamer Pro, BB30, 52/36 from the website. Is there an identical one available ...
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1answer
60 views

What symptoms can I expect from two broken teeth on a chainring?

Dealing with chain skipping (but mostly on the smaller chainrings, truth be told) I've wondered how these affect the riding and how many problems and what kind should i expect from these two broken ...
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2answers
85 views

Why is my big chainring is so scratched form the inside?

I have noticed a lot of scraping on the inside of my Trushift 44T plate. Is it just a function of distance, time and color or is it a clue that something is not working properly? The bike was bought ...
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1answer
174 views

Can I use 11 speed chainrings with 9 speed chain?

To be more specific, my bike come with Shimano Sora 9 speed group set. I'm using a KMC X9 9 speed chain. I studied quite a lot of websites. They claim that chainrings are compatible with any speed of ...
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1answer
107 views

Choosing chainring configuration

I'm interested in how I would choose a chainring configuration, supposing I was either replacing mine or building a new bike for a similar usage. I have a 50/39/30 triple chainring (& 10-speed ...
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1answer
87 views

Shimano FC-M521 middle chainring replacement

What exact torque should be applied to secure the double gear fixing bolt (Y-1FM98020) ? And what tool is usually used to fix the nut without damaging it while tightening the bolt?
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4answers
196 views

Do I have to stop pedaling when shifting up the front chainring?

If I keep pedaling when shifting up the front chainring, it would fail. Moreover, the chain keeps rubbing with the chainrings and produces many noises. Thus, I have to stop pedaling for around one ...
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2answers
113 views

Is it possible to use a two or three chainring with an internal hub?

I have a Bullit cargo bike. It has a Shimano 39t chainring and a Alfine 8 rear hub. I was going to go for a Rohloff to get more gears, but the price is just getting stupid. I looked at the Alfine 11 ...
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2answers
162 views

How much assembly is required when an LBS orders a bike?

I'm looking to order a Marin Lombard Elite from my LBS but I want to replace the FSA BB and crankset with Shimano or SRAM parts, and change to a 52/36. When my LBS orders it, does all of that come ...
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1answer
107 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 ...
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0answers
288 views

Replacement crankset for Shimano SG B 52/39?

I have a very basic Specialized Allez (XL frame) street bike (pictured in my avatar) with a cheap SG B52/39 chainring needing replacement (warped and wearing out after two years of daily use). But ...
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2answers
83 views

Gears, distance, cadence = Speed [closed]

My bike is a Giant "Revolt" and I have a speed/Cadence sensor (from Giant). It doesn't always record accurately. But my question: I'm looking for a Chart that gives me the distance traveled & ...
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1answer
88 views

Campagnolo crank spider inter-compatibility between 'standard' and 'compact' chainrings

Will a Campagnolo Athena (2014) crank spider and crank arm from a 'standard' chainring setup of 39/53 accommodate 'compact' chainrings of 34/50, also Campagnolo Athena (2014)?
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2answers
118 views

24t or 26t granny gear?

Getting a new crankset, decided on this one from Rivendell: http://www.rivbike.com/product-p/cr1.htm Question: Should I keep the 24t granny or get them to swap it out for a 26t? I have some concerns ...
1
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1answer
173 views

SLX chainring compatibility

I'm considering swapping the inner ring on my SLX double chainset (M665) from 22T to 28T. I noticed that the newer M675 has a 40/28 option, so I figured that the 28T chainring from this set-up would ...
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1answer
93 views

What does the chainring have to do with SRAM YAW

I'm shopping for 110 BCD chain rings and I noticed that some of the SRAM ones are labeled "YAW FD only". As far as I can tell the derailleur doesn't touch the chainring so whats so special? Can I ...
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2answers
196 views

Is the same effort required to maintain a set speed using different sized chainring / cog combinations with same ratio

If I have a bike with the same cranks setup with a 36t (chainring) / 12t (cog) ratio and the same bike setup with a 48t (chainring) / 16t (cog) ratio, would the effort required to maintain a set speed ...
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1answer
95 views

Can you use a 9 / 10 speed chainring with an 8 speed chain?

Does it matter if you use a chainring which is specified at 9 / 10 speed with a 8 speed chain?
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1answer
142 views

why do left shifters switch chainrings and right shifters cogs?

Can that be changed? Is it just convention? Is there any commercial bike that comes with a left-shifter that switches cogs?
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2answers
68 views

Chain too wide for gap between chainring and chainring guard

I have a Seek 0 2013 and recently the chain has been stretched so far that it needed to be replaced. On the Giant site it says that this is sold with a KMC Z51 1/2" * 3/32" chain. I've since gone to ...
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3answers
222 views

Can I change my large chainring without changing the entire crank?

The bike I wanna buy has a 42/34/24 crankset and TX-50 FD, now I was wondering if I could install a 48t(or bigger if possible, do tell) ring upfront while keeping the rest (i.e transforming it to ...
1
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1answer
225 views

What are the differences between Tiagra and 105/Ultegra chainrings

There is quite a big price difference between Tiagra and 105/Ultegra chainrings. Do the more expensive ones last longer? Is there difference between performance? Is the weight only relevant ...
0
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1answer
74 views

Outer chainring with two sizes

I see outer 130 BCD chainrings with 52T/39T. Why the the 39T in the label? How does the outer care or know what the inner ring is? What would be different about 52T/42T? Does the 39T care what ...
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2answers
390 views

Do I need a chain guide or bash guard to convert to a single chain ring?

I want to convert an old 12-speed into a 1x6 for urban commuting. I'm hoping to keep one of the existing chain rings at 42T and use washers on the chainring bolts or replace them with single speed ...
0
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1answer
78 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 ...
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2answers
538 views

Can double chainrings be used with a clutch-type rear derailleur?

I've been reading up on Sram's CX1 1x11 cyclocross-specific group. It hinges on two technologies to minimize the potential for dropped-chains/chainslap. The CX1 clutch rear-derailleur keeps the chain ...
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3answers
393 views

Replacement compatability for Shimano Mountain LX Chainring and or Crankset

I need to replace Shimano Mountain LX Biopace Chainrings with 48/38/28 110 bcd and am having difficulty finding replacement chainrings, particularly the center chainring 38T. It appears Mountain LX is ...
5
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3answers
1k views

Chain slipping on middle chainring

I have recently replaced the chain and the cassette. Previous chain never slipped. I never had any problems with it at all. But I have made about 10 000 km on it and the wear was beyound any limits, ...
6
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1answer
164 views

Front derailleur rubbing against chainring

I'm trying to fix up my old (1999) Trek 4500, and I've run into a snag while adjusting the front derailleur. It's a Shimano FD-CT92 (bottom bracket mounted E-type), and it's rubbing against the ...
1
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3answers
1k views

Can I use a Shimano 105 10 speed BCD 130mm 52t chainring as a replacement in my 9 speed tiagra triple crankset?

I currently run Tiagra triple 9 speed crank, 50/39/30 The BCD on the 50 being 130mm. I'd like to replace the 50t with a 52t to make it 52/39/30. I'm looking at a Shimano 105 52t chainring but it says ...
3
votes
3answers
358 views

Chain falling off inner chain ring no matter how L screw is set

Bike is a relatively new Cannondale Carbon Synapse with the Ultegra 6800 groupset (although front chainrings are FSA). Has about 1000KMs on it. Bike has been great, but I went out on a ride today ...
2
votes
1answer
159 views

Can I swap down to a different number of teeth on a chainring

I currently have a single speed front chainring setup with 52 teeth. I can't find a suitable replacement for my chainring so I am wondering if it is possible to get a chainring with a different ...
1
vote
1answer
707 views

Replacement chainring compatibility

I have a Fuji Absolute 3.0 (about 2011) with a generic crankset. The triple chainrings are stamped with 'SAMOX'. It is a 30-42-52t set. I favour the middle chainring, which is now badly worn and needs ...
1
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3answers
332 views

How to get a lower gearing

My trusty old CF racer was stolen the other day, and I'm looking for a replacement. I saw this bike at PlanetX and was intrigued. It's a full carbon bike with (last years) Ultegra components for a ...
1
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2answers
2k 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 ...
3
votes
3answers
555 views

Replacing a chainring - what did I do wrong?

TL;DR I thought I could figure out repairs myself but clearly I'm a moron. I replaced the chain and chainring on my fixie last Saturday, and this morning it got scary loose on me. I started to feel ...
1
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1answer
4k views

Using a Sram 22 group with 10 speed crank

I have a SRAM Red 22 group set that has a standard crank (53/39), and I also own a SRAM Red 10 speed crank with compact chainrings. I'll be doing some climbing soon and would like to use the compact ...
0
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1answer
111 views

Restoring the original color of metal and chainrings

I bought a used bike and I want to pimp it up and make it cleaner. I found rust on the chainrings and I would like 1- to remove it and 2- get the original color of the metal back. How to do that? Here ...
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3answers
831 views

Can I replace the front front derailleur with chain guide?

My front derailleur (Shimano LX T670 / 34.9mm) has been stuck on the highest gear for a couple of weeks now which has got me thinking about how little I use it. To save weight could I replace my front ...
2
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1answer
120 views

Will I snap my derailleur? (too large front chainwheel)

I have an old racer (1994 Specialized Epic Allez - lugged carbon) that's in pretty good shape. I brought it to an LBS that's got a pretty good reputation and that I've used before, to change the chain ...
0
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1answer
193 views

Triple chainset to single chainset; BB compatability?

I'd like to upgrade the chainset on my GT Avalanche 1.0 2013 so I have no front mech or shifter and just one ring on the front; just 10 gears instead of 30. My current chainset is a Shimano M522 ...
1
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1answer
407 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
2answers
424 views

Chain drops in smallest gear under load

I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
1
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1answer
629 views

Chain not fitting chain ring

I just bought a 21-speed hybrid bike (Wal-Mart grade Schwinn) and to try to customize/simplify things (other bike is a fixie road bike), I removed the front deraileur and bought a new single-speed ...