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

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

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

Trolley wheels add maneuverability off the bike

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