Originally Posted by
carpediemracing
I was looking through pictures with my wife's mother (she visited sort of unexpectedly) and found the picture of the SRM crank etc that I was looking for before.
Total crankset, with SRM spider, cranks, BB, computer head (PCV), wire harness, chainrings, bolts, it weighs 573g.

nice--you included the spindle. not saying you're saying it, but people bring up hollowgram weights all the time and there's much press saying that it is the lightest crankset. they (not you) often do not make apples-to-apples comparisons, e.g., comparing hollowgram arms to specialized arms--forgetting that the SPZ arms include the spindle.
i leave rings out of comparisons as they are easy to swap.
2 specialized arms @ 172.5 incl spindle + washers/lockring = 324g.
2 hollowgram arms @ 172.5 + spindle + crank bolt/spacer/washers = 365g.
splitting hairs, but the whole hollowgram-is-the-lightest isn't accurate.
hollowgram cranks are pretty awesome, though. love them for MTB.
i don't have an SRM road spider for cannondale handy to weigh but a MTB spider is 140g; specialized road SRMs are 118 (compact) to 169g (standard).