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Does anyone know the weight of newer 180mmXTR cranks and bottom bracket. Crank arms minus rings. I want to use them for SS or 1x? Running truvativ stylo now and wanting to save some weight. thanks..
 

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My 175mm XTR M970 drive side crank arm weighs 329g and the non-drive side weighs 212 including the crank arm attachment bolt. I've seen the BB on a scale elasewhere (I didn't need the M970 BB for my build), and it weighs 87g. I have no idea how much more the 180mm crankset would weigh.

Now if I could only find some bearings to fit my frame and accept my Clavicula cranks (320g total) I could knock off another almost 1/2 lb from my bike's weight.
 

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Ive never seen a pair at 770grams. My crank arms, charings and bolt come in at 702 grams. I've removed the granny ring and they are 680grams now + 94g for a ceramic BB = 774!
 
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