The SRAM DUB bottom bracket series is engineered to connect crankarms and protect smooth, long-lasting power delivery to the drivetrain. SRAM’s oversized DUB spindle design works across every bottom bracket standard, simplifying crankarm compatibility. This bottom bracket features Gutter Seal Technology™ that drastically improves sealing against the elements, along with sealed cartridge bearings for durability. It is designed for use with SRAM Boost cranksets with 55mm chainlines.
