SRAM DUB English Bottom Bracket - English/BSA 73mm E-Type SuperBoost + Black ModelNumber=K5114 }SRAM 50T x 130mm BCD

}SRAM 50T x 130mm BCD Triple Alloy Ring Black

Upper Diameter: 16mm

Flow is controlled by an internal ball valve controlled by an intergrated external lever

while reducing bulk and pressure points

85mm longer than XD Driver

SRAM DUB English Bottom Bracket - English/BSA 73mm E-Type SuperBoost + Black ModelNumber=K5114 }SRAM 50T x 130mm BCDSRAM 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