Bicycle Mechanics - crank arm bolt

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bianchi10

09-15-12, 01:09 PM

Is the crank arm bolt able to go on either side? I see some bikes with it on the drive side and some on the non drive side. My supersix has the crank arm bolt on the non drive side, but I think they look better on the drive side.

Also, I was looking into a kcnc crank arm bolt and didn't even think of it.....Does it need to be BB30 compatible or anything?

jimc101

09-15-12, 01:50 PM

Depends on the crank/BB type, without knowing what you have, impossible to say.

For example, square taper / Octalink had a bolt on both the drive and non-drive side, Hollowtech II (road) has a pre-load bolt, and 2 pinch bolts on the NDS, with nothing on the drive side, other brands have different set-ups.

bianchi10

09-15-12, 05:38 PM

damn...brain fart. I thought I included that.

I have an FSA SLK