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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91 views

How much assembly is required when an LBS orders a bike?

I'm looking to order a Marin Lombard Elite from my LBS but I want to replace the FSA BB and crankset with Shimano or SRAM parts, and change to a 52/36. When my LBS orders it, does all of that come ...
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42 views

Replacement crankset for Shimano SG B 52/39?

I have a very basic Specialized Allez (XL frame) street bike (pictured in my avatar) with a cheap SG B52/39 chainring needing replacement (warped and wearing out after two years of daily use). But ...
2
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1answer
65 views

Scott Mountain bike. Problem with pedaling

Last 2 runs out my bike I have as suffered from what I can only describe as the pedal free wheeling ie pressure put on pedal does not drive the bike, but after a couple of turns it then drive the bike ...
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1answer
64 views

What to consider when looking for a chainguard?

Alright, the inner seam of my jeans is about done for, and I'm worried that I'll take a nasty spill the next time my pants get caught in there. Given that I don't want to wear gaiters or Lycra, I'm ...
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2answers
72 views

24t or 26t granny gear?

Getting a new crankset, decided on this one from Rivendell: http://www.rivbike.com/product-p/cr1.htm Question: Should I keep the 24t granny or get them to swap it out for a 26t? I have some concerns ...
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3answers
101 views

Problem with inside of shoe clipping crank arm

Crankset http://velobase.com/ViewComponent.aspx?ID=c50c795c-1016-4021-8ae8-9f68450fde36 and I know I'm using the right bottom bracket (119mm) The pedals ...
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1answer
34 views

Crank type for an old peugot

I'm renovating an old Peugot and need to replace the crank. It takes a clotted crank however I'm not sure on the size. I brought a crank previously and it didn't fit, I couldn't get it on the bike ...
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2answers
83 views

My bike Crank is making noise like Tuk, Tuk… once or twice when I pedal hard

I get a sound from my crank as if something were about to break to pieces when I stand and pedal hard.
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28 views

Don't know spindle size?

I'm not quite sure what size my spindle is on my giant downhill bike. I bought it a while back and it hasn't caused any problems. I've only recently taken up making it look good. All I want is 2 ...
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3answers
65 views

Can I fit 3 x9 speed crankset to 3 x 8 speed cartridge

I have a Merida hybrid cycle fitted with Shimano XT Deore 3 x 8 speed (42/32/24T). The crank has a few worn teeth and I would like to replace with Shimano XT Deore (48/36/26T). The seller states this ...
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1answer
250 views

How to remove crank arm with broken bolt on SRAM Omnium crankset

I apparently over-torqued the crank bolt and it made a loud snapping sound. Now the hex wrench just spins freely and so I can neither tighten nor loosen the bolt. How do I remove the (non-drive side) ...
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1answer
104 views

Loose axis of Shimano Deore FC-M591-S Hollowtech II

I noticed that the right arm (drive side) of the Shimano Deore FC-M591-S Hollowtech II is getting loose. The right side has the axis attached to it as shown in the image. When I take off the left ...
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1answer
82 views

Is it possible to change a Shimano FC131 crankset's chainrings?

I'm going to buy a bike wtih this crank, but I want to change the bigger ring. This is one of the lower end shimano cranks -- so I am worrying that the chainrings may not be replaceable. Thanks ...
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3answers
139 views

Can I change my large chainring without changing the entire crank?

The bike I wanna buy has a 42/34/24 crankset and TX-50 FD, now I was wondering if I could install a 48t(or bigger if possible, do tell) ring upfront while keeping the rest (i.e transforming it to ...
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1answer
109 views

Can I fit a 105 crank arm (stages) to a Claris 2400 crankset?

I currently have a Specialized Secteur with a Shimano Claris 2400 crankset (compact). I'd like to buy a Stages power meter but they do not sell Claris crank arms. Can I simply put a 105 crank arm on ...
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1answer
106 views

What's this noise? Is it from my crank?

I have recently been riding bmx, racing to be more specific. I ride around my neighborhood a lot when im not at the track and have noticed this loud clanking noise. I didn't know where it was coming ...
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4answers
130 views

Loose pedal bent under pressure

I was riding home today (with clipless pedals; SPD) and noticed my ankle was twisting strangely with each rotation of my legs. I had just gotten to the top of a massive hill. I pulled off to the ...
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1answer
4k views

diference between 170mm 172mm 175mm crank arm length on road bike [duplicate]

What is best for which use, advantage, or application, especially for climbing.
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3answers
658 views

Can I use a Shimano 105 10 speed BCD 130mm 52t chainring as a replacement in my 9 speed tiagra triple crankset?

I currently run Tiagra triple 9 speed crank, 50/39/30 The BCD on the 50 being 130mm. I'd like to replace the 50t with a 52t to make it 52/39/30. I'm looking at a Shimano 105 52t chainring but it says ...
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0answers
23 views

How to switch from a double to triple crankset [duplicate]

What do I need to change out on a bike to move from a double to a triple crankset? In this particular situation the bike has STI shifters and a FSA Gossamer, 50/34 teeth crankset currently. But I ...
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1answer
137 views

Peculiar feel when pedaling

I ride an early 90s Scott Unitrack CST with the original Shimano Deore drivetrain it came with. Same as this one. When pedaling, the right pedal has a peculiar feel like a sudden inward jerk at a ...
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2answers
571 views

how many spacers do I need for a 83mm bottom bracket and a 142x10 hub?

I have a Zee crankset on a 83mm bottom bracket (downhill bike). The Shimano manual says to use two 2.5mm spacers on the drive side, and one 2.5mm spacer on the non-drive side. However, this presumes ...
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1answer
340 views

MegaEXO Omega BB and Hollowtech II crank compatibility?

I have a Giant TCX SLR 2 (2014) with a FSA MegaEXO BB and FSA Omega crankset (46/36). I just purchased a Ultegra 6750 crankset (50/34), can I run it on my existing BB? If not, what BB do I need? ...
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1answer
336 views

Replacement chainring compatibility

I have a Fuji Absolute 3.0 (about 2011) with a generic crankset. The triple chainrings are stamped with 'SAMOX'. It is a 30-42-52t set. I favour the middle chainring, which is now badly worn and needs ...
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4answers
189 views

Noticeable clicking from crankset or bottom bracket

A few days ago I began hearing a clicking noise coming from the crankset and I can also sense a slight hitch when the right crank is at its upmost position just when it's about to go down. The ...
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1answer
173 views

can you put a shimano XTR M980 175mm stage power meter on a XT M785 175mm setup?

I would like a stages power meter on my set up but cant figure out if the bottom bracket sizes are correct and if even the new crank will fit at all?
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3answers
142 views

Can I modify the gearing on a 2009 Jamis Aurora?

I have a stock 2009 Jamis Aurora. I'm looking to modify my gear set-up to make climbing hills with large loads a little easier on my knees, as I constantly find myself wishing I had one or more low ...
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3answers
242 views

FSA Compact 50/34 Need better climbing

I have a FSA compact crank 50/34 with a 9-speed 12-27 cassette. I need better climbing ability for steep grades, not concerned with flat top speed. What should I do? What is the largest size cassette ...
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1answer
444 views

Chain not fitting chain ring

I just bought a 21-speed hybrid bike (Wal-Mart grade Schwinn) and to try to customize/simplify things (other bike is a fixie road bike), I removed the front deraileur and bought a new single-speed ...
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1answer
39 views

assembling brackets and front crankset: how many spacers and orientation

Recently I bought a Bull's Black Adder 1 26 Inch frame and quite some time ago got a present Shimano Deore Lx FC M-583 crankset (brackets included). I know they are not a perfect match, but still ...
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1answer
124 views

Can an IGH have the same maximum overdrive-ratio as a crank-sproket setup?

Is there an IGH that gives one the maximum overdrive-ratio that one might get with a 39-53T crankset and a 11-34T freewheel? If not, what is the mechanical roadblock in making one ?
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1answer
237 views

Will this crankset fit my bottom bracket?

I've got a 2004 Trek 4300 that I need to replace the crankset on. I was able to look up the bottom bracket size here and see that it's a 73x122.5. I'd like to buy this crankset but I'm not exactly ...
2
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2answers
443 views

Single speed crank compatibility

I am attempting to build a single speed bike for commuting from various spare parts. I'm unsure of what kind of crankset would be compatible with my frame. I have read from a couple sources that I ...
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1answer
178 views

Unbranded cranks vs FSA Vero cranks?

What is the difference between the unbranded-cranks found on the Motobecane- USA- Mirage Sport vs the FSA Vero cranks(sometimes LSC) on the Motobecane-Record or Grand Record? Are they basiclly the ...
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0answers
237 views

Low gearing setup for road bike with Shimano dual control

Question: What is my best bet for a crankset, given the following requirements for a road bike I am setting up: 68mm "English" thread bottom bracket Shimano STI "brifters", 2x10 (I already have ...
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1answer
197 views

Picking a crankset for a 107mm BB on a downhill bike

I bought a downhill frame (Commencal DH Supreme 2012) that I want to build up with parts myself. Now I'm trying to pick a suitable crankset for the 107mm bottom bracket. Having a hard time finding ...
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1answer
193 views

Peugeot PX-10 with Shimano 105 Triple with BB-6700

Upgrading my french PX-10e with shimano 105 cranks. What bottom bracket can I use with this 68mm bottom bracket with french threading? Is there a threadless BB available?
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1answer
145 views

What kind of crank extractor do I need

I'm trying to swap the cranks on our Thorn tandem and would like to know what kind of crank extractor (if any) I need for the job. Is there a way to tell from this photo, before I've taken it all ...
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3answers
4k views

Replace crankset or cassette for better road performance on an MTB?

I few years ago I got into cycling again to help keep fit. I still had my mountain bike from when I did some easy trail riding. I'm mainly riding on the road now and I was wondering if I can change ...
4
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2answers
290 views

Crank arm snapped: what could have caused it?

Recently, on my single-speed bike, the right crank arm just snapped. Was slowly going up a hill, and all of a sudden it broke in two pieces. I have now exchanged the entire crank & chain set ...
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4answers
507 views

Why use multiple materials on chainrings?

Why is it that on a typical mid-level road triple crankset, the outer rings (larger rings) will be aluminum, while the inner ring (small ring) is chro-mo? It seems to me that if aluminium was good ...
3
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1answer
481 views

Chainring offset - chainline - of Alfine vs. Ultegra/Dura Ace

I have a bike with Alfine 11 and belt drive. I think I could use a 175mm crank, certainly a 172.5, rather than the 170 Alfine comes in (height 6'1" frame size 60cm) and going a little lighter and ...
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3answers
961 views

Crankset replacement

I have Exage 300 lx crank 48,38,28 Crankset. It is also Biopace. I would like to replace it since it is worn out. What current model from Shimano is a suitable replacement? regards
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3answers
852 views

Expected chainline from 103 mm bottom bracket to 107 mm bottom bracket?

Frame Windsor - The Hour Hub Width - 120mm Stock Bottom Bracket Sizing - 68 x 103 mm Miche Bottom Bracket Sizing - 68 x 107 mm Miche Crank Set Requirements - 68 x 107 mm bottom bracket ...
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1answer
794 views

Can I replace a 3-gear crankset with a 2-gear one cheaply and efficiently?

My commuter bike (a cheap-ish MTB) is in need of new gears. As I never use the "granny chainring", I was thinking about switching to a 2-piece crankset, to save tome weight. However, I am unable to ...
2
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4answers
613 views

Replacing 42/52 crankset to 39/52 - will it make a difference?

I have several questions that arise from the fact that the current drivetrain on my old Peugeot road bike is pretty tough to ride when climbing up some steep hills: so I've got a 42/52 up front and 6 ...
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3answers
3k views

Clicking noise from crankset

A month ago I bought a Scott Aspect 60, and for about a week everything was ok. Then, I started hearing a noise coming from the crankset. First thought was that it was the front derailleur - after ...
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1answer
173 views

Crankset for SRAM Apex Groupset

I have SRAM Apex Shifters, FD, RD, and Brakes. Can I use a SRAM Force BB30 Crankset? Thanks Paul
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2answers
1k views

Mountain bike crankset chainring compatibility

I have a Shimano Deore LX crankset. I would like to replace the outer chainring. What manufacturer chainrings are compatible with my crankset ? My outer chainring takes all of the abuse, due to ...
0
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1answer
342 views

Shimano Ultegra chaninrings on Truvativ Elita Tandem crank

I'm attempting to replace the chainrings on my Cannondale Road tandem. The crankset is a Truvativ Elita Tandem (52-39 10 speed big/middle ring). The new rings are Shimano 6603 52-39 rings. I swapped ...