US Bottom Bracket Shell
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$25.00
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US Bottom Bracket Shell
Regular price
$25.00
Regular price
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$25.00
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US Bottom Bracket Shell
$25.00
American/US Bottom Bracket Shell
Mild steel - DOM tubing
2.68", 3.68" and 4.68" lengths
2.25" OD
Machined I.D. for press-fit bottom bracket cups
Which bottom bracket do I need? Our bottom brackets are made for US/American shells; Euro shells can work with adapters. Your shell width sets the spindle size you need.
Spindle sizing: spindle length is determined by BB shell width and rear wheel size — 4″+ rear wheels require an XL spindle. Send measurements or photos and we’ll recommend a size.