This bottom bracket fits a Sram DUB crank set on an Italian threaded frame Extremely reliable and efficient bottom brackets with coated ceramic bearings, tight variances and industry-leading durability Reduced friction and better protection from nature`s elements Long lasting durability and extreme performance Installation tool required: Park Tool BBT-79 Road rated seals 70mm ITL DUB Black RoadUPC/EAN/GTIN: 735201956152