SRAM DUB English Bottom Bracket - English/BSA 73mm E-Type SuperBoost + Black CheckoutSpec= Center Lock A highly polished underside helps

A highly polished underside helps prevent dirt buildup and aids in cleaning

8mm Micro Spline conversion spacer and 1 18t cog

but at the same there is no overloading of joints and other risk areas

The reflective sidewalls of the tires give them further visibility on darker rides

SRAM DUB English Bottom Bracket - English/BSA 73mm E-Type SuperBoost + Black CheckoutSpec= Center Lock A highly polished underside helpsSRAM DUB English Bottom Bracket English BSA 73mm E Type SuperBoost + Black. The 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 SuperBoost+ Cranksets Gutter Seal Technology drastically improves sealing