The crankset is the combination of components that convert motion from the rider's leg movements into rotational motion to drive the chain and propel the bike. The crankset includes one or more chainrings (sprockets) and the two cranks, or arms, to which the pedals are attached.

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4answers
531 views

deore LH crank on 105 chainset

I have a 105 triple chainset (hollowtechII) and the left hand side has developed a crack. Now I can't find any replacement 105 LH cranks but there are some Deore ones on the ebays that aren't too ...
5
votes
2answers
1k views

Swapping cranks, but the new crank is wider, how do I compensate for this?

I was swapping the cranks and bottom bracket on my karate monkey from a Truvative stylo crankset (Mountain Double, GXP bottom bracket) to a Race Face Evolution DH (Mountain Triple, Race Face bottom ...
2
votes
1answer
2k views

Why does my non-drive side crank arm come loose?

I tighten the bolt super hard. Ride for a while. Then it comes loose again. I don't know if its my BB or the bolts. How can this be fixed??
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2answers
446 views

FSA Gossamer Crank Spider cracked

I've got an FSA Gossamer pro MegaExo compact crank set. Lately, while tightening the bolts on the crank spider, it cracked (see picture). I know FSA has recalled the left crank because it turned out ...
0
votes
1answer
106 views

What is a wireless crankset?

For example this (rather expensive) item: http://www.wiggle.co.uk/sram-srm-powermeter-pro-wireless-bb30-double-chainset/ What is actually wireless about it? Is this for a cadence meter? Wireless ...
3
votes
1answer
1k views

Shimano chainring / crankset compatibility

I discovered a Shimano FC-2300 Crankset (175-mm 52/42/30T 8 Speed) for $62 on Amazon - is this compatible to replace my old FC 3301/3304? The longer story is I need to replace my Shimano chain ...
2
votes
2answers
3k views

Things to consider when upgrading crankset

I am considering upgrading my crankset, or rather I am considering considering to upgrade it. I would like to gain a few teeth since I am permanently riding on the 48/13-15 making the 38 pretty ...
3
votes
1answer
191 views

Help me to attach inner ring

I have cranks with 4 holes for outer and middle rings attachment. There are no holed for inner ring attachment. On my other bikes crankset middlering has 8 holes 4 for cranks and 4 for inner ring. I ...
4
votes
1answer
657 views

Campagnolo 11 speed crank with 10 speed running gear

Hi currently have an older 10 speed Campagnolo Record group set with 52/39 cranks. I would like to get a compact group set. I can't get an equivalent 10 speed compact cranks now but I can get an 11 ...
4
votes
2answers
1k views

What chainrings are compatible with the Dura Ace 7900 crankset (apart from 7900 chainrings)?

I need to get a 52t chainring for my 7900 Dura Ace crankset but am not willing to spend 150 euro on a chainring. Would an Ultegra 52t 6700 chainring work on the 7900 Dura Ace crankset ?
4
votes
2answers
615 views

Converting crankset from 28-38-48 to 30-39-53

My current front setup is a 28-38-48 crank with Deore XT shifter & derailer. In addition to a FD-443 and top/bottom-pull converter, what else will need to be purchased for proper shifting? Also, ...
2
votes
2answers
558 views

What are the current options for short crank arms?

I have knee problems, and I've noticed that the seat position that makes it possible for my leg to not be absolutely straight at the bottom of the stroke causes my knee to pop up a bit higher than my ...
2
votes
2answers
321 views

What do you call the crankset system type on the Sram Apex?

I see these everywhere, but no one can come up with a consistent name for them from company to company. GXP is the closest I can come to a name for the bottom bracket. ...
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vote
3answers
9k views

Can any bike crankset be exchanged for another?

I have a Specialized HardRock from the '90s. It's seen better days, but I got it for cheap. I had a bike shop look it over, but for some reason the guys missed the rounded off teeth on the front ...
2
votes
2answers
873 views

Attaching crank arm with Shimano SLX M660

Firstly, apologies if this question has tones of frustration, my new crank set and bottom bracket has never been installed correctly, so I am going to do it myself. Should the drive spline on the ...
7
votes
1answer
815 views

The pros and cons of crank self-extractors

I'd like to know more about the reliability of self-extracting crank bolts, but haven't found much information on how they perform (or how they don't). My interest stems from touring and ...
1
vote
1answer
511 views

Lowering the gearing on a Shimano biopace double

My bike has a 52/38 Biopace pair on a 5 bolt 130 crank (Shimano 105). I want to reduce the pedal load because I'm getting older and live in hilly Wales, UK. I have bought a 42/28 Biopace pair. ...
3
votes
2answers
322 views

How can you tell how far apart your chainrings are?

I just replaced my cassette and my crank with one from the LBS that the guy said would work. I've had no problems with the cassette, but the crank is too wide so that my front derailleur does not ...
6
votes
3answers
1k views

Solutions for pedals screwed in the wrong sides?

I have a Focale44 fixie with a single speed on the other side of the gear (this is called a flip-flop I think?) and I LOVE it so far! I've ridden it for about six months and haven't had to fix ...
0
votes
2answers
2k views

Can I use an “8 speed compatible” crank such as Shimano FC-2303 with a 7 speed Shimano MF-HG37 freewheel?

I have a 2004 Giant Cypress I use for commuting, and the entire drivetrain is very worn out (shark teeth and chipped teeth, front and back). I need to replace the Shimano MF-TZ20 7-speed (14-34t) ...
2
votes
1answer
426 views

What crankset should I buy to suit an 8 Speed Campy freehub?

I've just bought a pair of campagnolo/mavic wheels without a freewheel. I'm finding it very hard to understand what will fit on the rear hub. It's English thread, does this mean that any 8 speed ...
2
votes
1answer
641 views

Can if fit new 105 5700 cranks on my existing 5600BB?

I am refreshing my drive train. I have been running a full 105 5600 set for a couple years. I have an ultegra cassette and chain ready to fit, and I am consdiering crankset/chainring options. Is the ...
1
vote
2answers
2k views

Will a hollowtech shimano BB fit a bike which currently has an octalink bracket?

I have a mongoose otero elite 2008 and the crankset is broke (wobbling) It's also bent, so time for a new one. I currently have a nice shimano deore crankset from an old bike, but it uses a different ...
2
votes
1answer
246 views

FSA GOSSAMER ROAD CRANKSET with BB7800?

Can FSA GOSSAMER ROAD CRANKSET be used together with BB7800 Dura Ace from Shimano ? Thanks
3
votes
2answers
1k views

What road double cranksets will work with a 108mm JIS square taper bottom bracket spindle?

So far it seems like the Shimano Sante or Suntour Sprint cranksets are the only ones that would fit my bottom bracket spindle (I am hoping to keep both BB and spindle). Am I missing any possible ...
5
votes
2answers
1k views

Can I run a dual crankset with a chain guide tensioner?

We recently got a new mountain bike for my son via craigslist, it is a couple year old Transition Bottle Rocket and came with a E-Thirteen SS+ chain guide/tensioner. He would like a lower gear for ...
2
votes
1answer
467 views

Older road bike: squeaky crank?

I have an old Free Spirit road bike. It's in good shape and runs fine, but I started noticing that when I'm going uphill or pedaling in a high gear there is a squeaky sound coming from what seems to ...
0
votes
2answers
564 views

How does a crankset removal tool work?

I don't have one to examine. How exactly does a crankset removal work? one such as this.
2
votes
1answer
918 views

Replacement for Suntour NCX-410 crankset on commuter bike?

I've had a 2007 Marin Larkspur which I have been using as a commuter and recreation bicycle for 3.5 years. For the past year, I've been slowly learning to do my own repairs and upgrades as they have ...
7
votes
1answer
753 views

How can I keep my chain from derailing from the front sprocket under load?

I've watched the chain derail from the front sprocket, and there is considerable flex that is causing it. I'm a big guy with an athletic build (6'7"/280lbs), and it's a big-box bike, so I'm not ...
11
votes
3answers
13k views

Do Pros use compact cranksets?

Do pro riders use compact cranksets for hilly races? I'm trying to determine if switching to a compact double will mean I don't have the top end speed to be competitive in higher levels of racing (I'm ...
4
votes
2answers
3k views

Changing sprocket sizes: will front derailleur still work?

I have a hybrid, which for better or worse, I am going to use as my commuting and conditioning bike for the foreseeable future. I am interested in changing the largest chain ring for an even larger ...