Questions tagged [crankset]

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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Replacing cranks on SRAM Force AXS

I've purchased some shorter cranks for my SRAM Force AXS eTap bike, and I'm trying to decide between learning and swapping them myself vs. bringing it into a LBS. Pros of doing it myself: learn for ...
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964 views

Bottom bracket and crank confusion for dirt jumper

I'm looking to build an NS Decade dirt jump bike. I'm super confused about purchasing the right bottom bracket and crankset. The frame specs says 73mm threaded. Ideally, I'd like to use 30mm Raceface ...
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Two broken teeth in Shimano 105 crankset

I have just received my new 105 7000 cranksets from a reputable seller in Aliexpress and I believe there are two broken teeth perhaps cause by mishandling of the shipment company or poor wrapping of ...
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Replacement from 3x Sugino cranks to any Shimano 3x

Specialized Sirrus with carbon forks, 9s peed Tiagra rear, 3sp front.
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7 votes
3 answers
905 views

What can I do to fix or replace this broken axle?

I cased a jump badly and I broke either my bottom bracket or crank, I’m not sure which. What can I do to fix or replace this? Picture is of my broken bottom bracket or crankset.
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Crankset replacement for TERN Verge D9 (9 gear folding bike)

I need assistance with replacing the crankset on my Tern Verge D9 folding bike. The pedals threads are ruined - presumably due to cross threading. Nothing immediate comes from googling - but I am ...
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357 views

Adapter for a Shimano 7000 Crankset to BB30 Pressfit

OK. I am confused with all these BB standards. I'd appreciate it if someone points out the correct adapter for my Opus Allegro 4.0 with a bb86.5 monocoque running on a Tiagra 4600 groupset and FSA ...
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Bottom bracket needing repacement more often in a single speed bike

I used to live in quite a hilly area but managed well with a single speed Mango aluminium bike on most of these hills. I wanted to know if it is possible that due to extra pressure being exerted on ...
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Can you interchange a FC7710 Octalink drive side crank arm with a FC7701 Octalink crank

I want to change to a 165 mm crank length on the drive side of my Dura Ace Octaplus FC7703 triple chain set. Can I use a drive side Dura Ace Octalink FC7710 track crank to do this? Are the two crank ...
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How to keep square taper cranks tight?

I have this recurring problem on many of my fixed-gear builds where the non-drive-side crank arm starts to wobble and gets loose after a very short amount of time (sometimes after just a short ride ...
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Replacing crank rings 26/36/48 on XT T8000 with 22/30/40 SLX M7000

Are the crankrings interchangeable, will XT front derailleur work? Bike set up all XT components. Want to improve gear inches. XT is not offering smaller crank rings. The bike is all T8000 components....
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Swapping cranks on SRAM Force AXS eTAP

I'm looking to swap out shorter cranks on my bike. It's this bike, but of note has a SRAM PF30 bottom bracket and SRAM Force eTap AXS, 48/35 chainset. I'm trying to work out if these will be ...
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Which combination of single chainring and crankset goes with 6 speed?

I have 90s Bianchi "Project 2" which is early hybrid of MTB and roadbike it says. I want to customised to single chainring narrow wide (somewhere between 48 to 40T), but leaving original ...
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Shimano Deore 2x10 derailleur M6025-L with 3x Alivio M4050 crank

Will my Shimano Deore front derailleur M6025 2x10 work with Shimano Alivio 3x crankset? I'm confused because my front derailleur is not 3x design.
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Bottom bracket compatibility

After two LBS's, a blowtorch and a tyre shops impact driver I finally have my bottom bracket out. It an aluminium frame if that makes a difference. On the drive side some of the thread is gone, ...
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Are cranksets generally interchangeable?

My crankset is worn down and needs to be replaced. Can I take the intact crankset from an older, broken bike and mount it on my newer bike? If it matters, both cranksets are Shimano (different models),...
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Which crankset standard will fit in my bottom bracket?

I have a bike with a press fit bottom bracket. Unfortunately, my existing crankset has too long of a spindle, and will not fit. Measurements of note: bottom bracket shell width: 62 mm. outside ...
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Help me build a 2x11 crankset with a 40t/42t big ring and bashguard

I'm in the process of sourcing parts for a new MTB bike. The frame supports e-type top swing front derailleurs, and 92mm pressfit BBs. And I want to have a 2x11 crankset with a 40t/42t big ring and ...
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Ultegra R8000 crank spacer

Does the Hollowtech II Ultegra R8000 crankset need to use spacers? I just converted my bike from Praxis to Shimano (finally I have the whole groupset!). I had to replace the BB and cranks (duh) for ...
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Is 160mm crank too short for me?

I’ve done some research about crank length. When I’m riding full-gas my knee is starting to hurt but when I’m just chilling in group rides I feel alright. My crank length at the moment is 172.5mm and ...
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SRAM Apex 1 crankset compatibility

I have a Giant Revolt Advance 1 with SRAM Apex 1. The crank has 40 teeth. Which crankset should I buy if I want 32 teeth?
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4 answers
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General question about small transmission changes

I am trying to wrap my head around the benefit I may get out of small changes regarding my transmission ratio. Here is the premise: 11-42 cassette (Shimano M7000) 36-26 crankset (Shimano MT600) I ...
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1994 Giant Iguana front sprocket

I have a 1994 Giant Iguana. The teeth on the front sprocket are significantly worn and the middle sprocket is cracked. Are there replacement sprockets for this bike?
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Need new chainwheels for a cheap racing bike - which price range makes sense?

Couple of years ago I bought a rather cheap racing bike after my mountain bike was stolen. I didnt use it much at first. Now, with Corona I spent a lot of time on my bike and probably did around 1000-...
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Trek Mamba 2013. 1x11 upgrade

I would like to know if it is worth and possible to upgrade a 2013. Trek Mamba from a 3x9 to a 1x11. Rear hub: Formula DC22
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Can't remove crank on Raleigh Equipe

I'm really struggling to get the crank off my bike. I got a crank puller from ebay but haven't been able to get it to work. Have I got the wrong crank puller or am I not using enough force? If it's ...
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Dura-Ace R9100 Bottom Bracket With A Dura-Ace FC-7900 Crankset?

I have just purchased a Dura-Ace FC-7900 crankset and I am trying to find a good, readily available bottom bracket to pair with it. With Shimano's Hollowtech II and Octalink II technologies, will the ...
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Cannondale Topstone Tiagra Upgrades - Musts, Must Nots, and MustArd

It's been a while since I last rode a bike but having bought a Cannondale Topstone Tiagra only a few days ago and finding the hidden streets and valleys of a town in which I've lived for many years I'...
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2 answers
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Upgrading crankset to 48 tooth

I need to change my crankset and bottom bracket, is is possible to upgrade to 48 tooth from the stock 42? The front derailleur is shimano Alivo and has a clamp. It could be moved up to a higher ...
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4 votes
2 answers
321 views

Installation of round bike cadence sensor - in the end of crank screw?

I got a "LIVALL® P1 Smart Bicycle/Bike Nano Cadence Sensor", round and flat which appears to have a screw in for the end of the crank. However on all the bicycles I see there is the hexagonal screw ...
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Mountain bike crank hits derailleur cable

Just bought my first bike and it was put together by the store. I was wondering if this little cable/wire is okay, it's hitting my pedal every time I’m riding. It doesn’t really bother me, but I don’t ...
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MTB Shimano MT610 crankset with 32t: possible switch to 30t?

I'm looking at the Raven 8.7 with its Shimano MT610 crankset with 32 teeth. The bike comes equipped with Shimano SLX M7100, 12-speed cassette and Shimano Deore XT M8100, 12-speed rear derailleur. I ...
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3 votes
1 answer
164 views

What different standards exist for crank bolts into modern bottom brackets?

I bought a SunRace bottom bracket (BBS18). It didn't come with crank bolts, but since all the other crank bolts and bottom bracket I've used have been compatible with each other, including with other ...
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1 vote
2 answers
288 views

Clicking in just one chainring

I wonder if anyone can suggest any reason why I might be getting a regular clicking (two to each crank revolution, at the same place each time) from the crank/BB area of my bike. I understand these ...
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3 votes
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Crank removal tool broke. Before I buy another, what did I do wrong?

In my (first) attempt to remove the crank arms from a bike, I broke the crank puller (Super B TB-6485). I applied more force than I was comfortable with, thinking the threads had perhaps rusted over ...
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How to install a Hollowtech II crankset if it does not fit the top hat?

In threaded 2-part bottom brackets there is a plastic top hat/bearing insert/dust cover that goes between the BB's bearing and the spindle, so that they fit tightly and the spindle does not wobble. ...
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2 votes
1 answer
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Lowering gears and changing crank length on 1994 Bridgestone MB-5

There are a few things going on here with my relationship to my free barn-find 1994 Bridgestone MB-5... centered around my height and the interplay between my physical capacity and the geography in ...
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5 votes
3 answers
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Shorter crankset on road bike

I’ve been wondering what are the pros and cons of having a shorter crankset. I’m looking into changing my crank length to a 165mm. I currently have a Shimano FC-RS510 172.5mm upgrading to Shimano ...
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0 votes
1 answer
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Replacing Shimano FC175 TY301 crankset

Is the Shimano FC 175 TY301 crankset still available. If not, how do I choose a good replacement without changing anything else?
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2 votes
1 answer
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On my Shimano FC-6800 right crank arm, is that a QR code imprinted on it?

On my Shimano FC-6800 right crank arm, is that a QR code imprinted on it? How is it used? When I scan it I get this: 68R4NL097388
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3 votes
1 answer
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Slight wobble/"drift" in chain due to crankset?

A few months ago I replaced the bottom bracket on my 2002 Fuji Finest. After reassembly I noticed the chain "wobbles" slightly when pedaling. You can see in this video the chain drifts toward the ...
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3 votes
1 answer
754 views

Shimano 105 FC-5501 chainrings replacement

I have road bike with old 105 5500 2x9 groupset. My crankset chainrings worn out from wear and need to be changed. My crankset is 105 FC-5501 52/39 Octalink 130 BCD. I looked for 5500 series ...
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2 votes
2 answers
260 views

Raleigh Montage mountain bike crank question

Will a modern Shimano crank set be compatible to replace an oval tech Shimano set from the 1980’s. It’s for a Raleigh Montage Mountain Bike.
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Looking to upgrade Sora 9-speed to Tiagra 10-speed 52/36t

I have a Specialized Secteur with a Sora 3x 9-speed crankset and drivechain and am looking to upgrade to the Tiagra 2x 10-speed crankset 52/36t (as I need a bigger top gear and never use my smallest ...
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Changing a crankset on a Specialized sirrus step through

I have an issue with pedals to crankset connection on a 1 month old Specialized Sirrus Step Through. Probably connection was done wrongly and they are just falling out of the connection holes. Looks ...
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3 votes
2 answers
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What power meter would work on my bike?

I have a 2015 bike with a Shimano 105 group set the cranks are 172.5mm and behind the crank is says the following. I’m relatively new to cycling and want a power meter please help cheers
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Are there any non-Shimano Hollowtech II compatible cranksets?

My power meter is Hollowtech II and I need to replace the crankset. So I’m looking at Shimano cranksets. Were there ever, or are there now, any Hollowtech II compatible cranksets made by any other ...
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Crankset identification

Does anyone know, which exact crankset is pictured below? It came shipped with a Bike Friday NWT (New World Tourist)
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6 votes
1 answer
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Why have my crank arms started corroding?

I have a set of Rotor 3D cranks and I've just noticed that the non-drive-side crank arm is corroding at the end and around the pedal bore, beneath the surface finish. The drive-side arm is fine. I ...
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Crankset and arm fitting issue

I have 2008 Specialized Rockhopper Comp. I bent my crank arm but can't find the same model online which is a Shimano FC-442/443 crank arm. If I wanted to replace my crankset what could fit onto my ...
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