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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17
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10answers
5k views

Stuck pedal, I've tried everything

I'm looking for suggestions, when basically everything has failed to remove a pedal. It's a pretty new bike (Trek 520). The drive side pedal came off fine, the non-drive side did not. I am aware that ...
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1answer
67 views

Cosmetic or structural damage to Carbon Crank Arm

So I have a carbon fibre SLK Light Crankset and I managed to scratch up the right crank arm and the end has chipped off. I was wondering whether this is structural damage or cosmetic damage. It has ...
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0answers
42 views

Crank Sugino Impel peeled off

I have Sugino Impel Crank that little bit peeled off (like white spot and Gray Spot). Can I fix this issue with wet sanding using sand paper? I already search little bit, but still Im not sure it will ...
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2answers
247 views

Chainring Spider Mount Types

I have been wondering about the different types of spider (or direct mount chainrings) to crank arms and was surprised that I could not find anything spot-on about it. I kind of know that BMX direct ...
2
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1answer
117 views

Is there a left-sided powermeter that requires less than 8 millimeters of clearance?

I'm willing to spend some money on a powermeter to train a tad more effectively on my bike. The problem is, that my frame (Trek Checkpoint ALR 4 2018) does not have the required clearance between ...
2
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2answers
82 views

Shimano 5700 group set with 5800 crank

Can anyone confirm if a Shimano 5800 crank would be compatible with the 5700 group set ? What issues would I face in doing so, if any?
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1answer
41 views

Diagnosing the cause of clicking sound coming from drivetrain

My bike is making a clicking sound on every downstroke of the left crank. Here's a recording I took while out on a ride: https://soundcloud.com/jugdish/20210309-1510-recording-2-edit/s-x5znI4sdTPu It ...
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0answers
44 views

On my stationary bike the left crank is loose only at the top

When I peddle, only at the top (pedal at it highest point) does the crank seems loose. It feels like it skips a bit as I transition down. It does not wiggle from left to right but only front to back....
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2answers
101 views

square taper bonded to crank arms

I have had a terrible time trying to remove crank arms from the square taper spindle. The tool used correctly just was forced out and stripped the threads. The left-hand side was about half off and I ...
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2answers
77 views

1x12 Crankset to my 9speed cassette/chainring

good day maam/sir, i would like to ask for some ideas if i can use the new Deore XT Crankset 1x12 (36t) to my 9 Speedchain + 9 speed cassette? If not, how about 10 speed chains + 11-42 10 speed ...
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1answer
60 views

Three speed STI shifter on two speed crankset

I just bought old Shimano RSX STI shifters for my 90s road bike, which had a Shimano 600 Tricolor Group (2x7) with downtube shifters. While the rear shifter I bought is correctly a 7 speed one, the ...
3
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2answers
115 views

Absoluteblack oval chainring doesn't completely fit GRX crankset

I'm trying to install an absoluteblack oval chainring on a GRX FC-RX810-1 crankset. After assembling and tightening the bolts I noticed there's a gap between the chainring and the crankarm. Basically,...
2
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1answer
108 views

Would like to know if the following Crankset is compatible?

I have a Decathlon Rockrider 5.2 and I'm planning to replace my current crankset with a Shimano TOURNEY FC-TY501 6/7/8-speed Square Crank 48/38/28. Would like to know if this compatible with my bike. ...
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1answer
76 views

SRAM replacement dub crankset, is this pre-greased?

I'm replacing the NX cranks on my bike with X01 cranks, all of the install videos I've seen show people greasing the cranks but these look like they're pre-greased. There's blue/green stuff on the ...
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1answer
133 views

Mixing GRX crankset with Deore groupset on 2021 Trek Dual Sport 4

I'm riding 2021 Trek Dual Sport 4. It has almost full Deore groupset, except crankset. Here is the full spec list: Shifter: Shimano Deore M5100, 11 speed Rear derailleur: Shimano Deore M5100, long ...
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2answers
114 views

Shimano crankset is near end of life, can I use a Tiagra 4700 replacement?

My road bike was bought in 2015 with a mix-match drive train: my derailleurs and shifters are Tiagra 4600 but the crankset is a Sora 9 speed (50-34). The large plate teeth are now quite worn out and I ...
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1answer
94 views

Damaged pedal threads on crank arms, having a hard time finding a replacement, what do I do?

I have the Vitus Nucleus 27 vr, but I recently broke the original plastic pedal on it after I hit a rock and so I replaced it with another set. The problem is I completely overtightened and damaged ...
2
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1answer
44 views

FSA crankset play

The patient is 2019 Cannondale Synapse with FSA crankset, BB30. I have an issue with adjusting the front derailleur. The chain rubs against the derailleur cage but only during the push phase of the ...
2
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1answer
83 views

Is a Hollowtech II BB compatible with an Octalink Crank? (Shimano Claris)

If I fit a Shimano Hollowtech II Bottom Bracket (Claris), can I still use my Octalink Claris crank?
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0answers
320 views

Clicking Left Pedal on Bowflex C6

I have a one month old Bowflex C6 spin bike. I am having a problem where the left pedal (SPD one side and toe cage on the other) clicks a lot when I am riding. I have verified that the crank arm is ...
4
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1answer
207 views

Can I use SRAM DUB Red Crankset in a Trek Madone SLR 7 that requires GXP?

I have an Allied Alfa Disc with SRAM Dub and Red AXS Crankset (with Quarq pm).... and I want to switch all my components onto this 2020 Trek Madone SLR 7 Frameset. My LBS says I have to buy a new SRAM ...
4
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2answers
132 views

What will be the easiest/cheapest way to get lower gearings on my “new to me” road bike?

I've recently become the proud new owner of a lovely late 90's steel road bike with some not so lovely "old school" gearing (53/39 chainrings and 11-25 8 speed cassette). As someone who both ...
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2answers
56 views

Lefthand crank arm for spinbike BH SB 1.8

i am trying to buy a new crank arm however there are 2 different type, a rhombic hole or square. After looking at the picture on Amazon, they look both the same. any help would be welcome.
3
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2answers
114 views

What are these markings on a Shimano FC-M770 crank?

On the very tip of the Shimano FC-M770 crank arms there are some markings. They are to be found on both crank arms on both of my sets, so they are definitely no random scratches. I suspect these are ...
2
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0answers
32 views

Is it possible to transplant the 5 arm spider of a Shimano XTR FC-M950 to a XT FC-M739?

The 5 arm spider of the FC-M739-5 has a BCD of 94/58mm whereas the 5 arm spider of the FC-M950-HG uses 110/74mm. Is it possible to use the XTR spider on the XT crank?
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0answers
74 views

How can I tell whether any crank is cold forged, hot forged or cast aluminium?

I know that cold forging allows for sleeker designs because cold forged aluminium is stronger. Are there any other giveaways that indicate a certain manufacturing process?
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0answers
33 views

Shimano FC-MT610 12speed 30T crankset substitute

I have a Shimano FC-MT610 12speed 30T crankset and wish to go to a crankset with more teeth for flatter terrain. Shimano offers a 34T version. Is there a higher tooth crankset compatible with this BCD=...
4
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2answers
838 views

Can I put a 8 speed bike on a Elite Suito 11 speed direct drive turbo trainer

I have recently ordered an Elite Suito Direct Drive FE-C turbo trainer. The main use is for indoor, winter cross-training for my young son who's a keen athlete (we don't want to send him out in the ...
2
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1answer
129 views

Shimano Adjustable Crank Arm Length

I currently run Shimano 105/Ultegra/Dura-Ace (2X11) components on my road bike. Chain Dura-Ace Cassette & Crank 105 Derailleurs Ultegra I am looking to replace my cranks when I wear out my next ...
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1answer
43 views

Are all DUB cranks compatible?

I have a dub crankset with arm length 175 (https://www.sram.com/en/truvativ/models/fc-styl-7k-b1) I want to change the crank arm length to 167.5 There's no 167.5 crank arm for SRAM MTB line (I think ...
3
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3answers
210 views

Can i use a XT 8000 crank instead of GRX crankset

I want to lower the gearing in a GRX 800 set up from a single 40 ring to a single 32 ring or use a XT M8000 crank with 32 ring.Im old and slow.Will it work
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2answers
59 views

Changing arm length for DUB crank

My bike has a 175mm crank arm (https://www.sram.com/en/truvativ/models/fc-styl-6k-b1) on a Specialized Epic HT (https://www.vitalmtb.com/product/guide/Bikes,3/Specialized/Epic-Hardtail-Expert,27186) I ...
3
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2answers
102 views

Can given crankset have limit on spindle width?

I would like to buy new crankset which is described as having 54 mm chainline for 110mm bottom bracket (this is square taped BB). Since I need 50mm chanline I calculated that I would need 102mm ...
3
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5answers
988 views

Does crank length affect the number of gears a bicycle needs?

When I was a child I noticed that as I out-grew my bike (or when I rode a smaller child's bike) I felt like I could accelerate better. The smaller bike seemed 'nippier', and in hindsight it was ...
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2answers
79 views

Trying to find a FC-M371 crank on line but no luck for my part of the world (Australia, New Zealand, Pacific Islands)

I need a Shimano FC-M371 crank set for my 29 inch Avanti mountain bike. Crank arm 175mm, 44 teeth on large sprocket, 32 on medium, then 22 for small. Having trouble location one in my part of the ...
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1answer
71 views

Cleaning and re-installing a crank

As a result of needing to replace a chainring ( Worn out chainring or missing tension ), I'm about to reinstall a crank, and would like to clean it before doing so. Regarding the next picture, can I: ...
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1answer
98 views

Click sound when I pedal hard

I have click sound when I do pedal hard and uphill. I tried to troubleshoot: Tighten my pedal. Tighten my crank. and I tried to remove my chain on and tried to add force to left pedal and it clicks, ...
3
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1answer
337 views

Replacing non-standard pedals on an exercise bike

I'd like to replace the pedals on my "Pro Fitness" recumbent exercise bike, and use clipless pedals instead (MTB or SPD). I tried to replace them, but found the diameter on the crank hole is ...
2
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2answers
359 views

Can you mount GRX FC-RX600 110/80 chainrings on a Tiagra 4700 chainset?

Has anyone mounted these https://www.bike-discount.de/it/comprare/shimano-grx-fc-rx600-2x10-11-speed-chainring-961783 on a Tiagra 4700 crankset? If they will fit it's a LOT cheaper than buying the ...
2
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1answer
130 views

When upgrading from a Claris to an Ultegra crank, the latter has a gap between BB and crankarm

I have a Giant contend 2 2017, its been a great work horse but now it needs changing, I got an Ultegra groupset for cheaper than a 2nd hand Ultegra spec bike. I've started with swapping the crank over,...
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2answers
134 views

Is it possible to tighten/replace my wobbly spider?

I have a Shimano FC-M460 crank and the spider is starting to wobble a little. Is it possible to tighten or replace the spider? I can't figure out which tool I would need to order. Or should I just ...
3
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2answers
150 views

Are chainring bolts alone strong enough?

Because of a custom application, I need to be able to use 104BCD chainrings. However, I need a stand-alone spider to hold the chainrings; the chainwheel will not be mounted directly to a 104BCD crank. ...
0
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1answer
87 views

Trek Mamba 2013, what BB and crankset for 1x?

Can anyone help me to find which kind of BB and cranks do I need for an 1x11 upgrade.
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1answer
105 views

Which chainguard (or alternative chainring) for a Shimano FC-M 510 crankset

My commuter bike is equipped with a Shimano FC-M 510 crankset, the teeth configuration being 44/36/22. Unfortunately, the largest chainring has no chainguard attached to it (and also no holes), so ...
4
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1answer
386 views

What tool do I need for this bolt that holds the crank arm on this stationary bike?

I'm amateur and got this stationary bike. The crank arm, I think that's what it's called, fell off. I can put the bolt back (the one inside the red circle) and turn manually but can't tighten it. ...
5
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1answer
176 views

Fitting Shimano pedals into a 3/4" crank socket

I bought a commercial grade spin bike (Niuweite F800 from China) for exercising at home during quarantine. I wanted to upgrade the pedals to Shimano pedals since I used to join spinning classes pre-...
0
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3answers
607 views

Compatibility of 38T chainrings to Deore crank

My bike (Canyon Pathlite 5) has an "FC-M5100-1, DEORE" crankset and a "Shimano Deore M5100 11s 11-51" cassette. Instead of the 32 teeth on the front chainring, I'd like to change ...
3
votes
1answer
104 views

Minimum chainring gap for front derailleur

On my city/trekking bike, I have a Shimano Alivio crankset FC-T4010. It was first delivered with 22-32-44 chainrings. After a while I calculated that with a 38 chainring, I was able to ride 99% of the ...
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2answers
49 views

Chain drops off outwards betweeng plastic guard and last cog on crankset

Chain drops off outwards between plastic guard and last cog on crankset. This effect i mostly managed to remove by moving front derailleurs inside (not happened since). But looks like the core issue ...
2
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1answer
64 views

Removing the crank arm (square taper) on a Chinese (PooBoo D 577) stationary bicycle

In trying to remove the crank arm, I found that the threaded "business end" of the standard crank arm puller has a smaller diameter (1-2 mm) than the crank arm opening, so there is no way to ...

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