The 2-piece crankset construction with integrated bottom bracket reduces weight, adds rigidity and increases powerTransfer. In additionThe provenShimano chainrings provides smooth consistent and precise shifting in almost any condition. Amazing upgrade for just about any bike! Includes both left and right crankarms w/integrated spindle, outboard-bearing bottom bracket cups, spacers, and all mounting hardware - a complete crank/bb readyTo install and ride. Increased service life Low maintena
