Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexityCompatible with standard HG style freehub bodiesUltra-wide ratio with consistent progressionDurable lightweight unibody constructionLightweight internal support disc11-50t9sp11-13-16-20-24-30-36-42-50BlackUPC/EAN/GTIN: 639266097235