Promax EX-1 Alloy external Sealed Race Bottom Bracket

$54.99 In Stock
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  • The EX-1 External bottom bracket 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.
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