Freehub body Shimano FHB FORMULA SHIMANO 10SP (STEEL) FREEHUB (SP-1648H)(FH-501B+DWG-0666) part name: Freehub bodypart make model: ShimanoFHB FORMULA SHIMANO 10SP (STEEL) FREEHUB (SP-1648H)(FH-501B+DWG-0666)bike part approved: