Any GXP crank should do. The truvativ stylo cranks are a good deal if buying new (250 for carbon and 125ish for aluminum). I also like the older s1400 and x9 with the removable spider. You can find those for pretty cheap these days.
FYI, there is no difference between boost and non-boost cranksets. The only difference is in the chainring offset. A boost crank is going to come with a boost offset chainring, so if your frame is not boost, that will need to be replaced. However the spindle and crank arms are identical.
ok, so i picked up a used sram GX crankset. The left side does not have a tight fit. There is a small diameter difference between the shaft and the bearing. The crank side seems to be fine. Is this common and i will just need the correct bearing or does something seem off? the bearing feels smooth when i turn it by hand so i wouldnt think the bearing is bad.
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