SRAM DUB Wide T47 Ceramic Bottom Bracket - T47 85.5mm Road-Wide Black MFPN=Y0K432000 Cotton fabric is then washed

Cotton fabric is then washed with minerals to increase its softness and give each piece a unique final appearance

A carbon layup specifically tuned for all mountain use makes the rim tough yet super-light

Chainring BCD 104 Color Black Defined Color Black Drivetrain Speeds 12 Material Steel Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 38

Acts as a barrier to prevent water from reaching bearings

SRAM DUB Wide T47 Ceramic Bottom Bracket - T47 85.5mm Road-Wide Black MFPN=Y0K432000 Cotton fabric is then washedSRAM DUB Wide T47 Ceramic Bottom Bracket T47 85. 5mm Road Wide Black. The game changing DUB family goes ceramic. While DUB has been simplifying the game eliminating compatibility frustration and confusion for years the DUB ceramic bottom bracket gives riders an additional option for even more silky smooth performance. This is a whole other level in bottom bracket friction reduction thanks to its high efficiency ceramic bearings. Whats more the DUB