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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How do I keep smallest gear on my crank shaft from contacting frame

I have an old Trek 8000 ZX that I am fixing up. I had to replace the bottom bracket and I believe I successfully did that. The bike did not have a crank set to work with so I salvaged one from a pile ...
4
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2answers
121 views

Cutting off welded crankarm

A long time ago, when I was younger and stupider, I decided to fix my creaking crank arm by welding the bolt. Yes, I know it was so damn stupid, but I thought that was the problem. I didn't use the ...
3
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2answers
111 views

Bottom bracket replacement advice needed

I've got a Giant TCX SLR2 (2015) according to the spec sheet it has:- Crankset: FSA Gossamer Pro Cross, 36/46 Bottom Bracket: FSA MegaExo The other day I noticed the bottom bracket isn't sounding ...
3
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1answer
61 views

Replaced left crank arm but still comes loose?

A few weeks ago I bought a new (albeit cheap) self assembly bike from a local store, this bike to be exact http://tinyurl.com/gw77p9t . After about two weeks use (one and a half hours of cycling on ...
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2answers
1k views

Plastic ring on new Shimano crankset, toss or keep?

I just got a new Shimano crankset and it has this plastic ring on the "inside" of the small chainring. I'm thinking that this just some packing material. Am I right and can I toss it, or is this a ...
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1answer
23 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 ...
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1answer
44 views

What is my bottom bracket spindle length?

I have this ubiquitous cheap Wal-Mart bike (http://www.walmart.com/ip/26-Roadmaster-Granite-Peak-Men-s-Bike-Black-Green/45089317z), which has a square taper bottom bracket. I'm trying to buy a new ...
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1answer
47 views

Can I install a front derailleur for my bike?

I just bought a Micargi RD-7 with 7 speed Shimano Tourney rear derailleur. Now, I want to upgrade my crankset from single chainring to three chainrings for better hill climbing. Is it possible to do ...
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1answer
44 views

Limits on tooth difference when replacing crankset

Would it be possible to replace a 46/34 compact crankset to an even more compact 42/26 (SPA CYCLES TD-2)? The bike is a Specialized Awol Elite, which uses a Tiagra groupset (except the crank which ...
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2answers
112 views

Bicycle crank is wobbly

My bicycle's crank is sorta wobbly - it tilts left or right, according to pressure applied to pedals. How do I fix it? What tools do I need? Video showing the wobble.
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1answer
32 views

Issue with PF30 BB on Boost frame - 2-3mm crank arm clearance

I have a brand new Titanium Boost 29er hardtail. The frame uses a PF30 BB and the BB shell is 73mm wide. I have installed the recommended RaceFace cinch PF30 bottom bracket with a Race face Next SL ...
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1answer
83 views

Replacing Crankset

My dad bought a 2004 Fuji Absolute hybrid used and I rode it to a DIY shop to get everything checked out. On the way, the the chain came off once (1.5mi). Turns out the right crank arm is a little ...
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3answers
353 views

50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC)

Following up on this enlightening answer, I would like to know the differences between 50/34(compact), 52/36(mid-compact) and 53/39 (standard). The cassette I am choosing is 11-32 to give me a wider ...
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1answer
41 views

cranks for a JIS bottom bracket

My bike is a 2016 Brompton, I am thinking to swap current cranks. Current BB possibly is this one (a JIS square taper), model: stronglight jp400 119 mm. ...
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1answer
42 views

How does this work? “Rotor BB30 to 24mm Steel Road Bottom Bracket”

I'm looking at ways to make a Claris/Tourney crankset fit a BB30 frame. I've seen that a "Rotor BB30 to 24mm Steel Road Bottom Bracket" is one of the options to make the two sizes work together. ...
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3answers
154 views

Cranksets for tandem with internal gear hub

I am thinking about assembling a trekking tandem bike. I would like to use an internal gear hub and put both chains on the right side of the bike. I have some questions about the cranksets: What ...
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1answer
41 views

Are the Truvativ powerspline BBs reliable?

When I first got my Haymaker 1500 about 2 years ago the BB crank interface was the Truvativ powerspline pattern. In the first winter my left arm came loose when it was cold (-15*C or so). Since it ...
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1answer
73 views

Can any crankset be used?

I have a road bike (2013 Schwinn Tourist) with a sealed bottom bracket (107mm spacing) with a square taper and triple chainwheel (48, 38, 28) assembly that is one of the inexpensive riveted types. I ...
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1answer
169 views

Triple to double crankset

I have a new road bike that has a triple crankset. But I wanted to try double on it. When I replaced it. I found out that my standard square tapered double cranks won't fit with the bike's frame. Can ...
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1answer
64 views

What does it mean - can be made into a double?

Sugino Single Speed Arm Set 175mm Black 130mm In the description it says: RD2 can be made into a double with double bolt sets. Can I use these crankarms on my 2 front - 8 rear speed road bike? What ...
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2answers
194 views

Shimano 105 + Shimano Tiagra?

I am looking to buy a new high end performance road bike soon along with a power meter. I'm looking at possibly a Shimano 105 or Tiagra groupset. However, stages doesn't make a power meter for Tiagra ...
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1answer
57 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 ...
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4answers
175 views

Does (square-taper) BB spindle length affect Q factor?

I am having knee and ankle trouble on my commuting bike (1993 Specialized mtb) and this has a 73mm BB with a spindle length I haven't measured but there is space between crankarm and frame. I wanted ...
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2answers
51 views

Chain skip options on vintage 'frankenbike'

I have a late 80s Bianchi Volpe which came with Sakae Ringyo SX cranks and bb, SunTour barcon shifters and derailers, and SunTour chain. The freewheel was aftermarket 7 speed and never rolled well ...
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2answers
98 views

10 / 11sd compatibility

I own a road bike with a SRAM Red 10 speed 110 BCD crankset and chainrings. I am upgrading the bike to the SRAM 11 speed shifters, cassette, chain and derailleurs. Do I have to buy a whole new SRAM ...
4
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1answer
52 views

Crankshaft snags and loses resistance while cycling

I have a hybrid (18+ years old) that I use for daily commuting which has developed a problem with the cranks. Every so often (perhaps 10% of the time) when I push down on either crank arm after ...
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1answer
80 views

Changing the entire chain gear mechanism

I have a Lapierre shaper 100. I am looking to change my entire chain mechanism as some of these parts need to be changed. I have selected my components, and I am hoping you can tell me if these ...
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2answers
83 views

Need a replacement 42 ring for an Ultegra 9 speed triple

I am replacing my chainrings on a Shimano Ultegra triple crankset. It is 9 speed circa 2003. I can't find a replacement 42 ring as I don't think they make them any more. (I have the replacement 30 and ...
2
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1answer
159 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.
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2answers
166 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 ...
3
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3answers
117 views

What can I do to stop my front dérailleur rubbing against the crank arm?

I recently changed the crankset of my Cannondale Synapse 5 from the stock FSA Gosssamer crankset to a Rotor 3D24 crankset with power2max power meter. This was a bit of an iffy modification to make - ...
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1answer
238 views

Will this power2max power meter be compatible with Cannondale Synapse?

I have a 2015 Cannondale Synapse - specifically, this one: http://www.swiftcycles.co.uk/334/products/2015-cannondale-synapse-carbon-105-6-road-bike.aspx. I would like to add a power meter, and ...
3
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2answers
381 views

Can you use a wide range 11-42 cassette with a double crankset

Can you use a 10 or 11 speed wide range (11-42, 10-42, or 11-40) cassette with a double crankset? I know these wide range cassettes are typically built for a 1x setup on a mountain bike, but is ...
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1answer
165 views

BCD consideraton, does it matter?

I currently have a Shimano 5700 10 speed double 53-39 t crankset with BCD of 130 mm ...
4
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3answers
221 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 ...
4
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1answer
135 views

Are pedal washers necessary on a carbon crankset?

I'm wondering if pedal washers are necessary, or even recommended, when riding with a carbon crank, in order to avoid damage to one's crank arms? The main reason I ask is because I prefer to ride ...
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4answers
434 views

SRAM Force 22 chainset in an otherwise 10-speed SRAM setup

I notice that SRAM web site still lists "regular" 10-speed Force chainset as one of their products. However, my attempts to find it for sale online came up with almost nothing. It seems to be "barely" ...
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2answers
967 views

Can I mix a SRAM Crankset with everything else Shimano? (Derailleurs, Cassette etc) [closed]

I was wondering if I could swap a Shimano crankset with a SRAM crankset without any problems I also know about different BBs like Octalink and chainring size differences
2
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4answers
167 views

Sound when pedalling

I have got a new mountain bike(hardtail wtih powerspline bb) and it is on 100 kms. When I push the pedals I hear little sound from the left side. It is only from the left and I think it can be the ...
2
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2answers
86 views

How do I know when to replace/maintain the crank?

What are the warning signs that a crank (not the chainwheel etc, but the crank itself) is worn out and needs to be changed, or removed and cleaned? I have never changed mine in 5 years or so, because ...
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2answers
339 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
5
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3answers
251 views

High-end components [closed]

I'm wondering if anyone knows of any high-end components that are like Paul components. Not the pro-peloton stuff like SRAM and Shimano, but the, dare I say hipster components. I'm looking for ...
2
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1answer
84 views

Cannondale Trail SL 3 component upgrades

I have a 2013 cannondale trail SL 3 and some parts have been worn and look beat up so I'm planning to replace them. I was wondering if I can use a 10-speed rear derailleur on a 9 speed cassette and ...
1
vote
1answer
109 views

What kind of crankset to get for this bike?

I have a Schwinn Volare 1300, bought from here. So the pedal on my crank arm came off today, when I tried to screw it back on I noticed that the hole where the screw goes has become smooth and does ...
3
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3answers
108 views

Crank axle cracked on 1972 Centurion, looking for guidance on how to replace

As I said, I have a 1972 Centurion. Today while riding I hit a pothole as I was coming down on my left pedal. I immediately felt like my pedal was moving around in ways it shouldn't. Stopping to look, ...
3
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1answer
60 views

Can I replace the crank on a Raleigh m20 with one from a Schwinn Ranger?

I have a Raleigh m20 mountain bike with a messed up crankset. The only other crankset I have is from a Schwinn Ranger. The two cranksets look like they are the same size. Is it possible to install ...
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1answer
57 views

Pedals not turning together

I have just tried to tighten up the nuts at the end of my crank but for some reason the pedals dont work in unison and now the left and right pedals are at a 90 degress angle instead of 180 and im not ...
2
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1answer
162 views

Can I swap out an Ultegra 6750 crankset with a 6700?

I want to have the ability to change chainsets depending on terrain. I currently have the compact Ultegra 6750 chainset and am after a 6700 53/39 for the flats and races etc. Are the axels the same ...
4
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2answers
62 views

What direction are the threads on Ultra Torque bearing cups?

I need to remove the bottom bracket bearing cups from my 2010 Athena groupset. Do they both unscrew anti-clockwise, or is one side different (and which one)?
2
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1answer
114 views

Changing Crankset on a bicycle

I have a fixed gear BTwin My Bike White. I need to upgrade but the resale value is too low for it. So I was thinking of adding gears to it which might click the real deal for me. Can I convert it ...