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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57 views

click noise from chainrings

I'm experiencing clicking noises when I put pressure on the pedals (either side). The bike is a CAAD12 105 (it has FSA chainrings). I've done some investigation to pinpoint the source of the clicking....
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1answer
99 views

Chain line adjustment when replacing triple crankset with single

I have an old Univega MTB with a triple 28-38-48 crankset and 6-speed freewheel. The bottom bracket is square taper with cup and bearings. I want to remove the front derailleur and convert to 48T ...
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1answer
23 views

What bottom bracket fits a Truvativ E450 crank?

My bike has a crank that is so cheap that you won't find it mentioned on SRAM's web pages. This cheap crank is a Truvativ E450, and it has a square taper bottom bracket that is worn out and needs ...
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24 views

Better to go with a longer spindle length bottom bracket or shorter?

I have a 1987 Panasonic dx1000 that I am converting to a single speed. I was planning on replacing the bottom bracket. To get the measurements I measured the tube to be 70mm (2 3/4") and the spindle ...
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349 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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24 views

Which Shimano inner chainrings compatible with FC7700 (9s) crank?

I have a 7700 (9s DA) crankset (53/39), 7700 front and rear changers, and ultegra 12-23 9-speed cassette. I want to reduce my lowest gear, so I decided to swap the inner 39t with a 36t ring. My ...
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18 views

GT Aggressor SR Suntour XR27 crankset is worn out. New replacement?

Help finding a XR27 or new replacement. i tried the crankset from my other bike ,but, the small ring hits the frame because it is different backspace. 1999 GT Aggressor 20".
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100 views

Does this used bike have visible issues?

I've been riding on a Cannondale Carbon Synapse since 2012 for 2,000+ miles and need a replacement and upgrade. I'm looking for used bikes since I can't afford the cost of a higher end bike (with an ...
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29 views

Crank-set issue

I am having a crankset issue, I have tested by holding both brakes and moving the crank and pedals parallel and pushing down, with each 180 rotation, the crank moves and thuds a little each side. ...
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800 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 ...
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101 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 ...