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

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4
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4answers
88 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 ...
3
votes
1answer
62 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
33 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
38 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
60 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 ...
1
vote
2answers
47 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 ...
1
vote
1answer
81 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 ...
1
vote
1answer
56 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
198 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 ...
0
votes
1answer
44 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 ...
2
votes
1answer
116 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
154 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
122 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 ...
2
votes
4answers
126 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
655 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: ...
0
votes
3answers
99 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
3answers
208 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
143 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
76 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 ...
1
vote
2answers
304 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
1
vote
1answer
172 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 ...
2
votes
1answer
554 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
65 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
2answers
420 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
121 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
3answers
64 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 ...
1
vote
2answers
134 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 ...
1
vote
2answers
264 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., ...
0
votes
1answer
218 views

Are Osymetric chainring and power2max Classic power meter compatible?

I'm thinking about trying the famous Osymetric chainrings, and I would like to use it with a power2max Classic power meter. I just want to be sure that there are compatible? It's very difficult to ...
1
vote
2answers
78 views

Chain Slip at front changing from large to small front chain wheel (with large cog at back)

I have a Pinnacle Neon 3 Hybrid, Shimano Sora 9 speed cassette and 2 chainrings at the front. The bike is 2 weeks old and I've cycled around 65 miles so far. Chain ring has come off 3 times at the ...
2
votes
1answer
287 views

Upgrading from 50/34 to 50/39 with Shimano Sora?

I have a road-biased hybrid that came with a compact 110mm BCD 50/34 Shimano Sora crankset and chainrings. I'd like to upgrade the inner ring to 39, but I'm having some trouble figuring out what to ...
0
votes
1answer
36 views

Can I add 3rd chainring to a an old Sugino double?

I have a vintage (165mm-Crnk) Sugino 40/48 on here now, but am looking to add some gear range for up hill with med-sm load. I have a Tiagra short cage RD and a Sora double FD. I am friction shifting. ...
0
votes
2answers
305 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 ...
4
votes
1answer
160 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.
2
votes
2answers
109 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
vote
2answers
152 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 ...
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 ...
6
votes
2answers
647 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 ...
0
votes
2answers
301 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 ...
0
votes
1answer
143 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 ...
1
vote
2answers
181 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 ...
0
votes
1answer
2k 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 ...
2
votes
1answer
148 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 ...
0
votes
1answer
187 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?
2
votes
4answers
940 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 ...
3
votes
2answers
234 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 ...
1
vote
2answers
239 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 ...
4
votes
1answer
260 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 ...
0
votes
0answers
705 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 ...
0
votes
2answers
142 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 & ...