Box two External Bottom Bracket

$80.00
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Details

Box Two 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 the ultimate upgrade to the budget BBs sold with most crank sets.

Box Two External Bottom Brackets are designed to fit all 24-millimeter crank spindles and frames with 68 x BC 1.37” bottom bracket shells.

Material 6061-T6 Aluminum Shell Width 68mm Thread 1.37" x 24 TPI

Weight 105 grams / 3.7 ounces

(3139)

SKU 3139
Brand BOX
Shipping Weight 0.5000kg

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