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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41 views

Square taper bottom bracket noise from street riding fixed gear

I’ve been trying to eliminate crank/bb noise in several different Sugino RD2 cranksets over the years with no luck. Always a faint click, once per revolution on the crankarms. I’ve tightened ...
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2k views

Why does this hollowtech crankset have play?

Background Shimano deore crankset (not XT) The crankset has done about 10000km (6200miles). It is from a touring bike. Most of those 10000km was done with the bicycle loaded (bags on both front and ...
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148 views

Upgrading everything to Ultra R8000 except for crankset which is Shimano Sora

I currently am running full Shimano Sora. The crankset is 34/50T. The cassette is 11-34T 9 speed. If I upgrade all my components to Ultegra, this being the rear derailleur, cassette (11 speed) and ...
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1answer
507 views

Can I switch through all rear gears with a two chainring crankset?

I'm very new with bikes, I just got my new bike since I was a kid like 25 years ago, I bought a Trek Marlin 7 2020 which comes with a 2 chainring crankset and 9 rear gears. I've been hearing that is ...
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75 views

Crank arm play, should I get spacers?

I'm building my first fixed gear bike and I'm nearly finished, I just have to tighten up my crank bolt and wrap my handle bars. The thing is, the crank arm seems to wobble a lot and idk what to do. I'...
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75 views

Is it OK to use a crankset with partially stripped pedal threads?

The threads on the right side of my crankset have been stripped and now only about half the threads remain (see picture below). I can still insert my pedal all the way into the crank. Would it be OK ...
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167 views

How did I strip my crank arm with a crank puller?

I'd decided to remove the FSA Tempo square-taper crankset of my 1-year-old road bike to measure & replace its bottom bracket as it's clunking and has little lateral play. The non-drive side crank ...
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103 views

Upgrading Gates CDN to CDX-EXP

First of all I will start with the fact that I'm completely new to the world of hardware related to bike parts. But I must say I ride my bike a lot. My everyday commute is roughly 40-50 km. I drive a ...
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70 views

Deore FC-M615 single 64 BCD chainring

I want to build a 1x9 drivetrain MTB so I'm wondering if I can set this FC-M615 crankset to a single 64 BCD 28T chainring, from what I can see the XT M8000 is compatible and allows 11-speed cassette ...
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175 views

Smaller chainring on the right side of a bigger one possible?

I recently converted my bicycle from a derailleur setup to an internally geared hub. During the conversion, I also replaced the previous crankset (with three chainrings) by a crankset having a single ...
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832 views

Does the saddle height need to be changed when the crank length changes?

On my road bike I have 172.5mm crank and my saddle height is 810mm from the bottom bracket. On my track bike I have a crank arm 165mm. Do I need to change the saddle height on my track bike? Will it ...
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95 views

Crank and Bottom Brackets Compatibility for Shimano GRX

I want to get myself a GRX810 2× but instead of buying the recommended (by Shimano) bottom brackets (SM-BBR60 or SM-BB72-41B Pressfit Hollowtech II) I would like to go with either the Token TF24 or ...
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4answers
145 views

Can a road bike BB work on track bike?

I have Merida track 500. It comes with a 175mm FSA vero track crankset and JIS square taper cartridge. I want to change it with Miche Pistard Air track crankset, 165mm and for that I need to change ...
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1answer
41 views

Soma Wolverine: Ultegra crank with Shimano XT cassette?

I'm hoping to pair a Shimano XT cassette (11-42) and an Ultegra crank (50-34t). Would this work for a Soma Wolverine v2.1 (someone mentioned this wouldn't do for "road cranks on mountain bikes") ?
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126 views

Misc bottom backet and crankset questions [closed]

I am planning to upgrade a few of my bikes .. some due to faulty BBs and some just to upgrade the crankset. Here are the questions I have: 1) Road vs MTB I read from the another post about Road vs ...
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152 views

Remove fully enclosed bottom bracket

I am in the process of replacing my worn out bottom bracket. After removing the crankset I see that there are no insets on the bottom bracket for my bottom bracket removal tool to latch on to: ...
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106 views

Which tool for fixing wobbly crank?

Any idea what kind of tool should I but to fix the loose left crank on my bike? I found this https://www.amazon.co.uk/Park-Tool-CCW-5-Crank-Wrench/dp/B0012Q5XAS but not sure if it's gonna suit. Or is ...
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2answers
66 views

External BB cranks not spinning well

I have a Cannondale F2000 that I'm updating and turning into a gravel/commuter bike. I replaced the original square taper bottom bracket with a new Hollowtech II version. Now the new crank does not ...
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1answer
70 views

Marrakesh w/ Sora STI shifters & Alivio Trekking FD + Crankset 48T

https://salsacycles.com/bikes/marrakesh/2020_marrakesh_sora This seems to have managed to somehow got around difference between MTB & Road STI triple problem that many reported. Is it because ...
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3answers
262 views

Alternatives to shorter cranks for knee pain

I've recently developed pain at the front of my knees when cycling. I suspect this is caused by, or at least made worse by, my bike having cranks that are too long for my leg length (172.5mm cranks ...
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2answers
353 views

Shimano 105 FD-R7000-F front dereailleur chain rub

Recently purchased a new Cube Attain GTC 2020 road bike, it came with : Front Derailleur - Shimano 105 FD-R7000, 31.8mm Clamp Rear Derailleur - Shimano 105 RD-R7000-DGS, 11-Speed Brake System - ...
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106 views

Creaking sound when pedaling [audio clip included]

Something is creaking on my Cannondale while pedaling with force. It is easier to hear in low gears, when climbing. An audio clip tells it better than any literal description, so here is a recording ...
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1answer
102 views

My square taper crank was partially extracted in accident. What to do?

I was trying to learn how to track stand and I had a strap on my left foot. I failed miserably and I tilled over then since my foot was in the strap my left crank got pulled out. What do I do to fix ...
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2answers
125 views

Replacing BB, but found mountain + road cranks and am confused

Last year I bought a Norco Search 105 Hydro (https://www.norco.com/bikes/2018/dirt-dropbar/gravel/search-aluminum/search-a-105-hydro/) and from the beginning had bottom bracket creaking. Brought it ...
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1answer
50 views

Converting front crankset to a single type on a 18" Carrera Vulcan MTB bike

I'm interested in converting my front crankset from 3 to 1 for simplicity. I'm not sure where to start or what size to obtain? This is what I have... 18" Carrera Vulcan, 27.5 x 2.2, 2016. Do I use a ...
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1answer
73 views

Replacement Crank Arm? [closed]

Hi I have a 12 spline left crankarm to replace but can't find the right-hand side crankarm. got ok for 12 spline its just the size. My one is TR7JAED 165
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2answers
66 views

What tool should I purchase in order to replace the bottom bracket in my Giant Defy 3?

I'm changing my front crankset from Gossamer FSA 105 to Shimano 105 FC-R7000 in my Giant Defy 3 road bike from 2015... I kinda stuck on removing the bottom bracket as I'm not sure which type of tool ...
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1answer
33 views

Drivetrain replacement or upgrade - 2009 Cannondale Six 6

A couple different shops have suggested that it’s time to replace my drivetrain. Chain has stretched and gears are losing shape. The rear cassette is an SRAM PG-950 12-26 9 speed. Crank is Tiagra 30/...
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3answers
138 views

New bike is slipping gears

Got a bike 3 weeks ago. It now slips gears WITHOUT shifting. only slipping when I pedal hard or uphill.. It shifts good. I weigh 250lbs. edit: with a new derailleur
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103 views

Bottom bracket upgrade

I want to upgrade the components on my bike. I want to start with the crankset. I'm just sourcing parts/tools at the moment. It originally came with 113mm spindle sealed cartridge. The bottom ...
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2answers
127 views

Can I combine narrow wide chainring in triple chainring?

I have Shimano crank (MT300) with triple chainring (44-32-22), I want to change the outer chainring(44) with the bigger (maybe 50 or 52), can I use narrow wide chainring in outer gear? so the new set ...
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1answer
133 views

39-53t chainring on full suspension bike

I have a Giant Reign x1 bike which has 2X factory installed 22-36t 4 bolt Sram Truvativ chainring. The question is, is it possible to find 39-53t 4 bolt chainring that can be fitted to this bike or ...
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3answers
175 views

My road bike seems slightly too big for me

After riding for about 300km, I'm looking at adjusting some parts to fit me. First adjustment: Because I feel that I'm stretching a little too forward, causing my back to ache, I've decided I would ...
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2answers
109 views

Crank sliding 1 mm right left

I just had my bottom bracket replaced on my road bike (Cervelo S3). I went for a ride and realized on the way back that the crankset was sliding right-left... That's not normal right? Here is a video:...
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1answer
55 views

What pedal fits my crank?

I live in Australia. Im new to the whole mnt bike scene. I use my mnt bike for excercise (doctors orders) I have the proper bike tool kit, but am still learning. My question: I ride a Giant boulder 1 ...
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2answers
61 views

Upgrading crankset on a 2001 Bianchi Grizzly

So, I managed to pick up a Bianchi Grizzly frame for pretty cheap, with nearly all components included to build up. Included was nearly a full XTR groupset that has seen better days. I installed it ...
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2answers
62 views

Drivetrain, components of different brand

Do all parts of the drive train have to be of the same brand? Can the chain be a different brand from the rest of the drive train? Cassette, crank, derailleurs?
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230 views

When changing to another crankset , do I need to change to the brand's specific bottom bracket?

just a quick question , my mountain bike has 3x drivetrain with SR Suntour XCM Crankset , and Im thinking of getting a 1x Shimano XT Crankset do i need to replace the bottom bracket ? and what bottom ...
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2answers
112 views

Upgrading a crank set

I presently have a 3x7 speed crankset with a sealed cartridge bottom bracket on my touring bike and want to upgrade to a new Hollowtech II bottom bracket and crankset, specifically, the SHIMANO Claris ...
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2k views

Broken bottom bracket?

I bought a Trek FX Series 7.5 in April 2017 and ride every day for about an hour. Two weeks ago the crank arms suddenly gave around the bottom bracket and no longer stayed 180 degrees to eachother. I "...
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3answers
164 views

Can a Mamachari be fitted with an 11 speed 52-36T crankset and FD?

I would like to upgrade this bike with a better and faster crankset, 52-36T, but I'm confused if my planned setup will be compatible with the bike I have. I have consulted in our local bike shop and ...
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1answer
107 views

How can I upgrade a Shimano FC-TX70 crankset?

I need to replace a Shimano FX-TX70 crankset, "DualSisIndex", 42-34-24. However, I'm quite lost on the Shimano website, and I'm not so sure which part to choose as a similar replacement... Would ...
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2answers
663 views

FC-RS510 Crankset compatibility

I've recently acquired a cyclocross bike (Stevens Prestige) with aforementioned FC-RS510 crankset. I am thinking of exchanging the 50-34 gearing which is currently mounted with a 46-36 set because ...
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1answer
172 views

SRAM GXP crank installation and rear hub preload

I just had some new BB bearings installed and am going to put the crank in but have two spacers/dust shields I am uncertain of position. I had everything laid out how it was removed but it got mixed ...
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2answers
965 views

Left crank keeps coming loose

Often when I go to school on my bicycle the left crank arm starts to loosen up after one or two really gentle jumps. When this happens I just tighten it with the tool I have in my backpack. It went on ...
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1answer
184 views

SRAM AXS double to single

I'm looking at a road bike with SRAM Force AXS 2x crank but would like it as 1x. I see from photos that the spider is separate from the right crank. Are the 1x vs 2x arms and/or spiders different? ...
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1answer
693 views

How to remove a stuck SRAM AXS (Dub) crankset

I wanted to remove my relatively new SRAM RED eTap AXS crankset from my bike and I'm having problems trying to loosen (meaning: being unable to) the main 8mm hex bolt on the drive side, the step shown ...
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2answers
160 views

Converting an SRAM Apex 2x10 to 1x10

I want to convert my bike to a 1x drivetrain (and move to a dropbar). It's a Commençal Le Route from 2013, full specs are here: mostly a 2x10 SRAM Apex Groupset (34/48 at the front, 11/32 at the rear)....
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1answer
88 views

What is this crank and BB on this bike? And how do I take that sort of crank off?

I have a 2009 Cannondale Six Carbon 3, which supposedly has a BB30 bottom bracket and a FSA Gossamer non-BB30 crank set. It looks like this: I'm having some creaks when I pedal and I'm trying to ...
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1answer
313 views

Shimano Tiagra - Install smaller front chainring

I recently bought a used Trek Checkpoint ALR4, with which I'm very satisfied. The gearing is ok so far for going on plane ground an light uphills, but when going on long and steeper hills it gets ...