SRAM DUB English Bottom Bracket - English/BSA, 68/73mm, MTB Boost 55mm CL, Black Youth Bikes there's no place for dirt

there's no place for dirt and debris to build up

plain and simple

but with forged baseplates and hollow kingpins for reduced weight

The result

SRAM DUB English Bottom Bracket - English/BSA, 68/73mm, MTB Boost 55mm CL, Black Youth Bikes there's no place for dirtThe SRAM DUB bottom bracket series has a simple job to connect crankarms and protect the smooth, long lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized