Fsa comet 386 bb30 triple cranksetthe fsa comet 386 is a super versatile chainset that gets on well with any bike the sturdy alloy arms with megaexo oversize cartridge bearings and alloy bearing cups provide durability and longevity this is finished off with cool and slick laser graphicsfeatures forged al6061 crank arms al7075 stamped outer chainring heat treated chromoly middle and inner chainrings chromoly chainring bolts compatible with 10 speed systems high polished black anodized laser