Birzman SRAM DUB T47 BB Socket MFPN=WH21TURRBST35XD29R Thermal and shock-resistant to MIL-STD

Thermal and shock-resistant to MIL-STD 810 the watch has a metal sensor guard for protection

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

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

Classic appeal

Reduces rider fatigue while simultaneously increasing raceday reliability

Birzman SRAM DUB T47 BB Socket MFPN=WH21TURRBST35XD29R Thermal and shock-resistant to MIL-STDExternal 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