The 2011 afterburner comes in silver and weigh 870grams and the 2012 comes in black and weighs 823 but the crank arms look the same. I plan on using the crank as a 1x9 with a renthal ring and was wondering if the actual crank itself weighs the same and if the weight savings is just from the new 100-percent CNC AL7075 T6 chainrings on the 2012. I would much rather prefer the 2011 silver crank(cheaper also) if they weigh the same without chainrings. But this will be for a xc hardtail budget race bike and the weight does matter to an extent.
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Thread: FSA Afterburner BB30 new vs old