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Box Two External Bottom Bracket is built with alloy External cups to fit euro style bottom bracket shells. Includes sealed bearings and is a great upgrade for most stock bottom brackets. Material 6061-T6 Aluminum Shell Width 68/73mm Thread 1.37" x 24 TPI (English) Fits Euro BB shells Fits 24mm, 2 piece, SHIMANO Hollowtech Style - SHIMANO DXR, CRUPI RHYTHM, DK FLASH, SINZ ELITE XXX, CLIQ and many more includes forged Aluminum cups, integrated internal spacer, 3 aluminum color matched cup spacers Weight 105 grams / 3.7 ounces
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🇺🇸 Ship from USA · On Agora since 2026
$64.95