AM Bottom Bracket DUB Road BB30 73-A

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.

Features:  

• DUB bottom bracket assemblies offers a fit for all bottom bracket frame shells without introducing new shell standards
• Gutter Seal Technology drastically improves sealing against
• Sealed cartridge bearings
• Significantly lighter than GXP system
• Aluminum cups are lightweight