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.

• Gutter Seal Technology drastically improves sealing against the elements
• Sealed cartridge bearings
• One oversized spindle to work across every bottom bracket standard
• Significantly lighter than GXP system

• Bottom Bracket Shell Width: 83mm
• Compatibility with Frame: BSA (English Thread)
  
• Shell Inner Diameter: 1.37 inches (1.37” x 24 TPI)
  
• Crankset Compatibility: SRAM DUB (28.99mm spindle diameter)