Shimano LX FC-M580 Crankset

"By integrating bottom bracket and crankset, the Shimano® LX® crankset provides you with increased strength and rigidity. The wider bearing stance increases bearing life and provides improved efficiency over standard bottom bracket crank set-ups. HOLLOWTECH II provides an incredibly stiff lightweight, pedaling platform that can take the abuse of all your off-road riding. ?Wt.: 927g ? total weight including bottom bracket Chain rings: 44-32-22 Length: 175 Fits both 68 and 73mm bottom bracket shells"