30mm-to-DUB Bottom Bracket Adapter

What It Is Thermoplastic machined adapters for converting 30mm bottom brackets to DUB spindle compatibility. Best For Riders retaining 30mm bottom brackets while running DUB (28.99mm) crank spindles. Compatibility Compatible with 30mm diameter bottom brackets. Designed for use with DUB (28.99mm) spindle systems. Design Intent Designed to enable compatibility between 30mm bottom bracket standards and DUB spindle systems without replacing the bottom bracket.