****TAKE IT TODAY TAKE TIME TO PAY WITH HUMM INTEREST FREE NOW AVAILABLE IN STORE & ONLINE****

PROMAX EX-1 ALLOY EXTERNAL 68/73MM BOTTOM BRACKET

  • Sale
  • Regular price $79.95


EX-1 External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget BBs sold with most crank sets.

Anodized red, blue, gold and black, to fit all 24mm bottom bracket spindles and frames with 68 or 73 x BC1.37” bottom bracket shells.