Shimano UN55 English SQUARE-JIS 73x110mm Bottom Bracket
$29.99
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Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. Fits JIS Square-Taper Cranksets Hollow spindle Crankarm fixing bolts not included
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