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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.

7 votes
Accepted

Problem with inside of shoe clipping crank arm

The proximate answer is that your shoes at the closest point, are too close to the crank arm, but that hardly solves your problem! This distance is affected by a large number of factors: your cleat p …
Rider_X's user avatar
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3 votes

The pros and cons of crank self-extractors

I have had cranks with built in extractors before and they generally work as advertised without issue. These used to be common on square taper cranks (i.e., three piece cranks), and still exist on se …
Rider_X's user avatar
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5 votes

Can I use a Shimano 105 10 speed BCD 130mm 52t chainring as a replacement in my 9 speed tiag...

Should work fine, assuming the BCD on the 105 52t chain ring is also 130 mm (and not 110 mm - compact). The 105 chainring will be profiled ever so slightly thinner for the 10 speed chain, but will no …
Rider_X's user avatar
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2 votes

Race Face Crank/Chainring Compatibility

I had this problem with a pair of Race Face Cadence cranks (road version). I think Race Face does this to force you into buying their chain rings. I am sure there is some "engineering" argument why …
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6 votes

Right vs Left Crank Power Transfer Efficiency

There will be windup (flex in the crank under force). Both the drive side (spiders and chain ring) and the non-drive side (shaft, spiders and chain ring) will experience windup during power transfer. …
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1 vote

Sram crankset compatibility

If you look up SRAM S350-1 (single chain ring) on SRAM’s website it says that it is a direct replacement for Rival 1 and compatible with 130, 135, and 142 OLD frames. Rival 1 should be a straight swa …
Rider_X's user avatar
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10 votes
Accepted

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

Believe it or not in the range of lengths you are looking at there is very little scientific support for there being any real discernible differences in performance (both in absolute power and metabol …
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9 votes

Selecting the right crank length

I disagree with the selected answer as most of the provided links are simply opinion without any analytical backing. In terms of choosing a crank length on the basis of performance, there is very l …
Rider_X's user avatar
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