Originally Posted by
seypat
Here is something else to consider/look for. Some of these cranks came with smaller diameter holes/bolts for the third ring. The smaller bolts can be hard to find. Both the Sakae CR and Takagi Tourney AD pictured here have the small holes. (I don't know why the pic loaded upside down)

I agree on the CR. Velobase says the double with 170 arms was 596 grams. I have a CR triple with 175mm arms that weighs more than I expected but I think it's because the middle ring is bulky. Replacing it with a lighter one would make a difference.