Raceface  Diabolus External BB DH/FR

• Designed to be used with Diabolus or Evolve DH crankset
• Manufactured from high strength aluminum
• Featuring twice the number of ball bearings than our competitors
• Forged and CNC Machined from 7050 aluminum.
• Features 35% more thread engagement and substantially thicker walls than the Atlas cups for greater durability in big-hit situations.