Birzman SRAM DUB T47 BB Socket MFPN=WH21TURRBST35XD29R Eagle technology provides an expanded

Eagle technology provides an expanded optimum gear range and is 100-percent compatible with all levels of SRAM Eagle drivetrain systems

Classic appeal

7 Waterproof Water-resistant Volume 20L Primary Color Blue Color Steel Volume Range 16-20L

All new 3-speed hub

ISM's Performance Recreation saddles are based on the same platform as ISM's Performance Short saddles but feature extra padding for more long-mile comfort

Birzman SRAM DUB T47 BB Socket MFPN=WH21TURRBST35XD29R Eagle technology provides an expandedExternal bearing bottom bracket socket Constructed using CNC machined hardened steel 1 2" drive compatible Model SRAM DUB T47 BB Socket Description Bottom Bracket Socket Color Silver