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

Trolley wheels add maneuverability off the bike

Rotor Mount Center Lock Freehub Body Shimano Micro Spline Primary Color Purple Hub Weight 227g Hub Spoke Type J-bend Hub Spacing 148mm Axle Type 12mm TA Hub Drilling 24H Position Rear

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

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