9-speed Road crankset Forged AL6061-T6 crankarms Square taper interface 43.5mm chainline Does not include BB Weights do not include BB SHIMANO Equivalent FC-A070 Pro Pulsion Road 172.5x53/39 110.5 SQR JIS SIL 130x5B 750g 2x9UPC/EAN/GTIN: 072774223275